Brien MN, Orteau A, Yen EC, Galarza JA, Kirvesoja J, Pakkanen H, Wakamatsu K, Jiggins CD, Mappes J. Colour polymorphism associated with a gene duplication in male wood tiger moths. BioRxiv preprint.

Bruneaux M, Ashrafi R, Kronholm I, Örmälä-Odegrip A-M, Galarza JA, Zihan C, Mruthyunjay KS, Ketola T. The effect of a temperature-sensitive prophage on the evolution of virulence in an opportunistic bacterial pathogen. Molecular Ecology. 2022;00, 1-17.

De Pasqual C, Suisto K, Kirvesoja J, Gordon S, Ketola T & Mappes J. Heterozygote advantage and pleiotropy contribute to intraspecific color trait variability. Evolution. 2022.

Kikuchi DW, Barfield M, Herberstein ME, Mappes J & Holet RD. The Effect of Predator Population Dynamics on Batesian Mimicry Complexes. The American Naturalist. 2022;199:3, 406-419.

Linke D, Elias M, Klečkova I, Mappes J & Pável M-M. Shape of Evasive Prey Can Be an Important Cue That Triggers Learning in Avian Predators. Front. Ecol. Evol. 2022;10.

Macedo T, Campos JC, Nokelainen O, Scott-Samuel NE & Boratyński Z. The effect of spatial and temporal scale on camouflage in North African rodents. Biological Journal of the Linnean Society. 2022; blac107.

Minard G, Kahilainen A, Biere A, Pakkanen H, Mappes J & Saastamoinen, Marjo. Complex plant quality ‐ microbiota ‐ population interactions modulate the response of a specialist herbivore to the defense of its host plant. Functional Ecology. 2022;00, 1-16. 10.1111/1365-2435.14177.

Nokelainen O, Helle H, Hartikka J, Jolkkonen J and Valkonen JK. The Eurasian Treecreeper (Certhia familiaris) has an effective camouflage against mammalian but not avian vision in boreal forests. Ibis. 2022;164: 679-691.

Nokelainen O, Galarza JA & Suisto K. Genetic colour variation visible for predators and conspecifics is concealed from humans in a polymorphic moth. Journal of Evolutionary Biology. 2022;35, 467-478.

Nokelainen O, De Moraes Rezende F, Valkonen JK & Mappes J. Context-dependent coloration of prey and predator decision making in contrasting light environments. Behavioral Ecology. 2022;33(1), 77-86.

Oudendjik Z & Sloggett JJ. How Diet Leads to Defensive Dynamism: Effect of the Dietary Quality on Autogenous Alkaloid Recovery Rate in a Chemically Defended Beetle. Journal of Chemical Ecology. 2022;48, 99-107.

Pulkkinen K, Ketola T, Laakso J, Mappes, J & Sundberg L-R. Rich resource environment of fish farms facilitates phenotypic variation and virulence in an opportunistic fish pathogen. Evolutionary Applications. 2022;15, 417– 428.

Winters S & Higham JP. Simulated evolution of mating signal diversification in a primate radiation. Proc. R. Soc. B. 2022; 289(1977).


Almeida DA, Mappes J, Gordon S. Predator-Induced Plasticity on Warning Signal and Larval Life-History Traits of the Aposematic Wood Tiger Moth, Arctia plantaginis. Front Ecol Evol. 2021;0:412.

Caro T, Hamad H, Rashid RS, Kloiber U, Morgan VM, Nokelainen O, Caro B, Pretelli I, Cumberlidge N, Mulder MB. A case study of the coconut crab Birgus latro on Zanzibar highlights global threats and conservation solutions. Oryx. 2021;55(4), 556-563. doi:10.1017/S0030605319000863

De Pasqual C, Groot AT, Mappes J, Burdfield-Steel E. Evolutionary importance of intraspecific variation in sex pheromones. Trends Ecol Evol. 2021;36(9):848-859.

Galarza JA, Mappes J. The complete mitochondrial genome of the wood tiger moth (Arctia plantaginis) and phylogenetic analyses within Arctiinae. Mitochondrial DNA Part B Resour. 2021;6(8):2171-2173.

Galarza JA, Murphy LMappes J. Antibiotics accelerate growth at the expense of immunity. Proc. R. Soc. B. 2021; 288: 20211819. 

Gordon SP, Burdfield-Steel E, Kirvesoja J, Mappes J. Safety in Numbers: How Color Morph Frequency Affects Predation Risk in an Aposematic Moth. Am Nat. 2021;198(1):128-141.

Hämäläinen L, Hoppitt W, Rowland HM, Mappes J, Fulford AJ, Sosa S, Thorogood R. Social transmission in the wild can reduce predation pressure on novel prey signals. Nat Commun 2021 121. 2021;12(1):1-11.

Kikuchi DW, Herberstein ME, Barfield M, Holt RD, Mappes J. Why aren’t warning signals everywhere? On the prevalence of aposematism and mimicry in communities. Biol Rev. 2021;n/a(n/a).

Kozlov MV, Oudendijk Z, Forsman A, Lanta V, Barclay MVL, Gusarov VI, Gustafsson B, Huang Z-Z, Kruglova OY, Marusik YM, Mikhailov YE, Mutanen M, Schneider A, Sekerka L, Sergeev ME, Zverev V, Zvereva EL. Climate shapes the spatiotemporal variation in color morph diversity and composition across the distribution range of Chrysomela lapponica leaf beetle. Insect Science 2021; 29(3) p. 942-955.

Nokelainen O, Scott-Samuel NE, Nie Y, Wei F & Caro T. The giant panda is cryptic. Sci Rep 11, 21287 (2021).

Páez E, Valkonen JK, Willmott KR, Matos-Maraví P, Elias M, Mappes J. Hard to catch: experimental evidence supports evasive mimicry. Proc R Soc B Biol Sci. 2021;288(1946):20203052.

Silvasti SA, Valkonen JK, Nokelainen O. Behavioural thresholds of blue tit colour vision and the effect of background chromatic complexity. Vision Res. 2021;182:46-57.

Troscianko J, Nokelainen O, Skelhorn J, Stevens M. Variable crab camouflage patterns defeat search image formation. Commun Biol 2021; 41. 2021;4(1):1-9.

Winters AE, Lommi J, Kirvesoja J, Nokelainen O, & Mappes J 2021: Multimodal aposematic defenses through the predation sequence. Frontiers in Ecology and Evolution 512.


Bainbridge HE, Brien MN, Morochz C, Salazar PA, Rastas P, Nadeau NJ. Limited genetic parallels underlie convergent evolution of quantitative pattern variation in mimetic butterflies. J Evol Biol. 2020;33(11):1516-1529.

Nokelainen O, Brito JC, Scott-Samuel NE, Valkonen JK, Boratyński Z. Camouflage accuracy in Sahara–Sahel desert rodents. J Anim Ecol. 2020;89(7):1658-1669.

Nokelainen O, Sreelatha LB, Brito JC, Campos JC, Scott-Samuel NE, Valkonen JK, Boratyński Z. Camouflage in arid environments: The case of Sahara-Sahel desert rodents. J Vertebr Biol. 2020;69(2):20007.1.

Rönkä K, Valkonen JK, Nokelainen O, Rojas B, Gordon S, Burdfield-Steel E & Mappes J 2020: Geographic mosaic of selection by avian predators on hindwing warning colour in a polymorphic aposematic moth. Ecology Letters 23: 1654-1663.

Yen EC, McCarthy SA, Galarza JA, Generalovic T, Pelan S, Nguyen P, Meier JI, Warren I, Mappes J, Durbin R & Jiggins C 2020: A haplotype-resolved, de novo genome assembly for the wood tiger moth (Arctia plantaginis) through trio binning. GigaScience 9:1-12.

Nielsen M. & Mappes J 2020: Out in the open: behavior’s effect on predation-risk and thermoregulation by aposematic caterpillars. Behavioral Ecology 31(4):1031–1039.

Valkonen, JK, Vakkila A, Pesari S, Tuominen L & Mappes J. 2020: Protective coloration of European vipers throughout the predation sequence. Animal Behaviour 164:99-104.

Lindstedt C, Suisto K, Burdfield-Steel E, Winters A & Mappes J 2020: Defence against predators incurs high reproductive costs for the aposematic moth Arctia plantaginis. Behavioral Ecology 31(3):844-850.

Kikuchi D, Waldron S, Dobler S, Valkonen J & Mappes J 2020. Biased predation could promote convergence yet maintain diversity within Müllerian mimicry rings of Oreina leaf beetles. Journal of Evolutionary Biology.

Hämäläinen L, Mappes J, Rowland H, Teichmann H & Thorogood R 2020: Social learning within and across predator species reduces attacks on novel aposematic prey. Journal of Animal Ecology 00:1–12.

Burdfield-Steel E.R., Schneider J.M., Mappes J & Dobler S 2020. Testing the effectiveness of pyrazine defences against spiders. Chemoecology 30:139-146.


Hämäläinen L, Mappes J, Thorogood R, Valkonen J,  Karttunen K, Salmi T, Rowland HM. Predators’ consumption of unpalatable prey does not vary as a function of bitter taste perception, Behavioral Ecology 2020 31(2):383-392.

Lindstedt, CSuisto, K & Mappes, J. Appearance before performance? Nutritional constraints on life‐history traits, but not warning signal expression in aposematic moths. Journal of Animal Ecology, 89(2):494-505

Arias M, Mappes J, Desbois C, Gordon S, McClure M, Elias M, Nokelainen O & Gomez D. 2019. Transparency reduces predator detection in mimetic clearwing butterflies. Functional Ecology 33:1110-1119.

Galarza JA, Dhaygude K, Ghaedi B, Suisto K, Valkonen J & Mappes J. 2019. Evaluating responses to temperature during pre-metamorphosis and carry-over effects at post-metamorphosis in the wood tiger moth (Arctia plantaginis). Philosophical Transactions of the Royal Society B 374:20190295.

Hämäläinen L, Rowland HM, Mappes J & Thorogood R. 2019The effect of social information from live demonstrators compared to video playback on blue tit foraging decisionsPeerJ 7:e7998

Hämäläinen L, Mappes J, Rowland HM & Thorogood R. 2019. Social information use about novel aposematic prey is not influenced by a predator’s previous experience with toxins. Functional Ecology 33:1982-1992.

Lawrence, J. P.‡, Rojas, B.‡, Fouquet, A., Mappes, J., Blanchette , A., Saporito, R., Bosque, R. J., Courtois, E., & Noonan, B. P. 2019. Weak warning signals can persist in the absence of gene flow. (‡Equal contribution). PNAS 116: 19037-19045. DOI:10.1073/pnas.1901872116.

Lindstedt C, Murphy L & Mappes J. Antipredator strategies of pupae: how to avoid predation in an immobile life stage?. Philosophical Transactions of the Royal Society B 374:20190069.

Rojas, B., Mappes, J. & Burdfield-Steel, E. 2019. Multiple modalities in insect warning displays have additive effects against wild avian predators. Behavioral Ecology and Sociobiology 73:37. DOI: 10.1007/s00265-019-2643-6

Rößler DC, Lötters S, Mappes J, Valkonen JK, Menin M, Lima AP & Pröhl H. 2019. Sole coloration as an unusual aposematic signal in a neotropical toad. Scientific Reports 9:1128. DOI: 10.1038/s41598-018-37705-1

Umbers KD, White TE, De Bona S, Haff T, Ryeland J, Drinkwater E & Mappes J. 2019. The protective value of a defensive display varies with the experience of wild predators. Scientific Reports 9:463. DOI: 10.1038/s41598-018-36995-9


Ashrafi, R., Bruneaux, M., Sundberg, L.‐R., Pulkkinen, K., Valkonen, J., Ketola, T. Broad thermal tolerance is negatively correlated with virulence in an opportunistic bacterial pathogen. 2018. Evolutionary Applications DOI:10.1111/eva.12673

Briolat, E. S., E. R. Burdfield-Steel, S. C. Paul, K. H. Rönkä, B. M. Seymoure, T. Stankowich, and A. M. M. Stuckert. 2018. Diversity in warning coloration: selective paradox or the norm? Biological Reviews 94:388-414. DOI:10.1111/brv.12460

Burdfield-Steel, E., Brain, M., Rojas, B. & Mappes, J. 2018. The price of safety: food deprivation in early life influences the efficacy of chemical defence in an aposematic moth. Oikos 128:245-253. DOI:10.1111/oik.05420

Burdfield-Steel, E.R. & Shuker, D.M. 2018. Divergence is not speciation, or why we need females: a comment on Tinghitella et al. Behavioral Ecology 29: 801. DOI:10.1093/beheco/ary069

Burdfield-Steel, E., Pakkanen, H., Rojas, B., Galarza, J. A. &  Mappes, J. 2018. De novo synthesis of chemical defences in an aposematic moth. Journal of Insect Science 18. PDF

Dickel, F., Münch, D., Amdam, G.V., Mappes, J. & Freitak, D. 2018. Increased survival of honeybees in the laboratory after simultaneous exposure to low doses of pesticides and bacteria. PLoS ONE 13(1): e0191256.

Fabricant S.A., Burdfield-Steel E.R., Umbers K., Lowe E.C. & Herberstein M.E. (2018) Warning signal plasticity in Hibiscus Harlequin Bugs. Evolutionary Ecology  DOI:10.1007/s10682-018-9946-3

Gordon, S. P., S. Burdillat, and J. Mappes. 2018. Phenotype-dependent mate choice and the influence of mixed-morph lineage on the reproductive success of a polymorphic and aposematic moth. Evolutionary Ecology 32:427–441. DOI: 10.1007/s10682-018-9944-5

Henze, M., Lind, O., Mappes, J., Rojas, B. & Kelber, A. An aposematic colour-polymorphic moth seen through the eyes of conspecifics and predators – sensitivity and colour discrimination in a tiger moth. Functional Ecology. DOI/10.1111/1365-2435.13100

Lindstedt, C., A. Miettinen, D. Freitak, T. Ketola, A. López-Sepulcre, E. Mäntylä, and H. Pakkanen. 2018. Ecological conditions alter cooperative behaviour and its costs in a chemically defended sawfly. Proceedings of the Royal Society B 285.

Linnen C.R., Quin CT.., Shackleford T., Sears C.R., Lindstedt C. 2018. Genetic basis of body color and spotting pattern in redheaded pine sawfly larvae (Neodiprion lecontei). Genetics

Nokelainen, O., van Bergen, E., Ripley, B. S. & Brakefield, P. M. 2018. Adaptation of a tropical butterfly to a temperate climate. Biological Journal of the Linnean Society 123:279–289

Nokelainen, O., Stevens, M. & Caro, T. 2018. Colour polymorphism in the coconut crab (Birgus latro). Evolutionary Ecology 32: 75.

Potvin, D. A., Burdfield-Steel, E., Potvin, J. M. & Heap, S. M. (2018) Diversity begets diversity: a global perspective on gender equality in scientific society leadership. PLOS ONE, 13 (5): e0197280. DOI:10.1371/journal.pone.0197280

Pulkkinen, K., N. Pekkala, R. Ashrafi, D. M. Hämäläinen, A. N. Nkembeng, A. Lipponen, T. Hiltunen, J. K. Valkonen, J. Taskinen. 2018. Effect of resource availability on evolution of virulence and competition in an environmentally transmitted pathogen, FEMS Microbiology Ecology 94: fiy060. DOI:10.1093/femsec/fiy060

Rojas, B., Burdfield-Steel, E., Gordon, S. P., De Pasqual, C., Hernández, L., Mappes, J., Nokelainen, O., Rönkä, K., Lindstedt, C. 2018. Multimodal aposematic signals and their emerging role in mate attraction. Frontiers in Ecology and Evolution 9:93.  DOI: 10.3389/fevo.2018.00093/abstract

Rönkä, K., De Pasqual, C., Mappes, J., Gordon, S. P.Rojas, B.  2017. Colour alone matters: no predator generalisation among morphs of an aposematic moth. Animal Behaviour 135: 153–163DOI: 10.1016/j.anbehav.2017.11.015 PDF

Rönkä, K., Mappes, J., Kiviö, R., Salokannas, J., Michalis, C. & Rojas, B. Can multiple-model mimicry explain warning signal polymorphism in the wood tiger moth, Arctia plantaginis (Lepidoptera: Erebidae)? Biological Journal of the Linnean Society 124: 237-260. DOI: 10.1093/biolinnean/bly042 PDF

Santostefano, F., J. A. Galarza, & J. Mappes. 2018. Testing the direct and genetic benefit hypotheses of polyandry in the wood tiger moth. Behavioral Ecology and Sociobiology 72:109. DOI: 10.1007/s00265-018-2525-3

Thorogood, R., Kokko, H. & Mappes, J. Social transmission of avoidance among predators facilitates the spread of novel prey. Nature Ecology & Evolution 2:254–261.DOI: 10.1038/s41559-017-0418-x PDF

Valkonen, J. K. & Mappes, J. 2018. Resemblance of a model species and its mimic: Response to Bury and Cichoń. Conservation Biology. DOI:10.1111/cobi.13070

Valkonen, J. K., Mäkelä, A. , Mappes, J. and López‐Sepulcre, A. (2018), Evaluating the potential for evolutionary mismatch in Batesian mimics: A case study in the endangered smooth snake (Coronella austriaca). Evolutionary Applications DOI:10.1111/eva.12679


Cuthill, I. C., Allen, W. L., Arbuckle, K., Caspers, B., Chaplin, G., Hauber, M. E., Hill, G. E., Jablonski, N. G., Jiggins, C. D., Kelber, A., Mappes, J., Marshall, J. Merrill, R., Osorio, D., P., R., Roberts, N. W., Roulin, A., Rowland, H. M., Sherratt, T. N., Skelhorn, J., Speed, M. P., Stevens, M., Stoddard, M. C., Stuart-Fox, D., Talas, L., Tibbetts, E. & Caro, T. 2017. The Biology of Color. Science 357:eaan0221. PDF

Endler, J. A. & Mappes, J. 2017. The current and future state of animal coloration research. Philosophical Transactions of the Royal Society B 372: 20160352. PDF

Galarza J., Dhaygude K. U. & Mappes J. 2017. De novo transcriptome assembly and its annotation for the aposematic wood tiger moth (Parasemia plantaginis). Genomics Data 12: 71–73. PDF

Galarza J., Sánchez-Fernández B., Fandos P. & Soriguer R. 2017. Intensive management and natural genetic variation in red deer (Cervus elaphus). Journal of Heredity 108: 496–504.

Gordon S.P., A. López-Sepulcre, D. Rumbo, and D.N. Reznick. 2017. Rapid changes in the sex linkage of introduced guppy populations. American Naturalist 189:196-200.

Gordon S.P., A.P. Hendry, & D.N. Reznick. 2017. Predator-induced contemporary evolution, phenotypic plasticity, and the evolution of reaction norms in guppies.  Copeia 105:514-522.

Hämäläinen L., Rowland H.M., Mappes J. & Thorogood R. 2017. Can video playback provide social information for foraging blue tits? PeerJ 5:e3062.

Jones R.S., Fenton A., Speed M.P. & Mappes J. 2017. Investment in multiple defences protects a nematode-bacterium symbiosis from predation. Animal Behaviour 129: 1–8.

Kinnula H., Mappes J., Valkonen J., Pulkkinen K. & Sundberg L.-R. 2017. Higher resource level promotes virulence in an environmentally transmitted bacterial fish pathogen. Evolutionary Applications 10: 462–470.

Kinnula, H., Mappes, J. & Sundberg, L. R. 2017. Coinfection outcome in an opportunistic pathogen depends on the inter-strain interactions. BMC Evolutionary Biology 17:77. DOI: 10.1186/s12862-017-0922-2

Koski T.M., Lindstedt C., Klemola T., Troscianko J., Mäntylä E., Tyystjärvi E., Stevens M., Helander M. & Laaksonen T. 2017. Insect herbivory may cause changes in the visual properties of leaves and affect the camouflage of herbivores to avian predators. Behavioral Ecology and Sociobiology 71: 97.

Lindstedt C., Boncoraglio G., Cotter S., Gilbert J. & Kilner R.M. 2017. Aposematism in the burying beetle? Dual function of anal fluid in parental care and chemical defense. Behavioral Ecology 28:1414–1422.

Loehr, J., Lynch, R., Mappes, J., Salmi, T., Pettay, J., & Lummaa, V. (2017). Newly Digitized Database Reveals the Lives and Families of Forced Migrants from Finnish Karelia. Finnish Yearbook of Population Research 52: 59-70. DOI: 10.23979/fypr.65212

Mikonranta L., Dickel F., Mappes J. & Freitak D. 2017. Lepidopteran species have a variety of defence strategies against bacterial infections. Journal of Invertebrate Pathology 144: 88-96.

Muraki, Y., Yamakawa, R., Yamamoto, M., Naka, H., Honma, A., Mappes, J. , Suisto, K., & Ando, T. 2017. GC/FT-IR Analysis of Novel 4,6,9-Triene and 2,4,6,9-Tetraene Occurring in a Female Pheromone Gland of Arctia plantaginis (Erebidae: Arctiinae). American Journal of Analytical Chemistry 8: 645-656. DOI: 10.4236/ajac.2017.810047 PDF

Nokelainen O., Hubbard N., Lown A.E., Wood L.E. & Stevens M. 2017. Through predators’ eyes – phenotype-environment associations in shore crab coloration at different spatial scales. Biological Journal of the Linnean Society 122: 738–751.

Nokelainen, O.Rojas, B., & Valkonen, J. 2017. Camouflage.  In: T. K. Shackelford & V. A. Weekes-Shackelford (Eds.). Encyclopedia of Evolutionary Psychological Science.Springer International PublishingDOI:10.1007/978-3-319-16999-6_2665-1  PDF

Rojas, B.‡, Burdfield-Steel, E.‡, Pakkanen, H., Suisto, K., Maczka, M., Schulz, S. & Mappes, J. 2017. How to fight multiple enemies: target-specific chemical defences in an aposematic moth. (‡Equal contribution). Proceedings of the Royal Society B 284: 20171424. DOI: 10.1098/rspb.2017.1424 PDF

Rojas, B. & Burdfield-Steel, E. 2017. Predator Defense. In: J. Vonk & T. K. Shackelford (Eds.). Encyclopedia of Animal Cognition and Behavior. Springer International Publishing.  DOI: 10.1007/978-3-319-47829-6_708-1 PDF

Rojas, B., Nokelainen, O., & Valkonen, J.  2017. Aposematism. In: T. K. Shackelford & V. A. Weekes-Shackelford (Eds.). Encyclopedia of Evolutionary Psychological Science. Springer International Publishing. DOI:10.1007/978-3-319-16999-6_2669-1  PDF

Shuker, D.M. & Burdfield-Steel, E.R. (2017), Reproductive interference in insects. Ecological Entomology, 42: 65–75. doi:10.1111/een.12450

Umbers, K. D. L., De Bona, S., White, T. E., Lehtonen, J., Mappes, J. & Endler, J. A. 2017. Deimatism: a neglected component of antipredator defence. Biology Letters 13: 20160936. PDF

Waldron S.J., Endler J.A., Valkonen J.K., Honma A., Dobler S. & Mappes J. 2017. Experimental evidence suggests that specular reflectance and glossy appearance help amplify warning signals. Scientific Reports 7: 257.

White, T. E., Rojas, B. , Mappes, J., Rautiala, P. & Kemp, D. J. 2017. Colour and luminance contrasts predict the human detection of natural stimuli in complex visual environments. Biology Letters 13: 20170375. DOI: 10.1098/rsbl.2017.0375 PDF


Lindstedt C, Schroderus E, Lindström L, Mappes T & Mappes J 2016: Evolutionary constraints of warning signals: A genetic trade-off between the efficacy of larval and adult warning coloration can maintain variation in signal expression. Evolution. PDF

Jones RS, Speed MP & Mappes J 2016: Parameterising a public good: how experiments on predation can be used to predict cheat frequencies. Evolutionary Ecology 30 (5), 825-840. PDF

Rönkä K, Mappes J, Kaila L & Wahlberg N 2016: Putting Parasemia in its phylogenetic place: a molecular analysis of the subtribe Arctiina (Lepidoptera). Systematic Entomology 41 (4), 844-853. PDF

Dickel F, Freitak D & Mappes J 2016: Long-Term Prophylactic Antibiotic Treatment: Effects on Survival, Immunocompetence and Reproduction Success of Parasemia plantaginis (Lepidoptera: Erebidae). Journal of Insect Science 16 (1), 46. PDF

Arias M, Mappes J, Théry M & Llaurens V 2016: Inter-species variation in unpalatability does not explain polymorphism in a mimetic species. Evolutionary Ecology 30 (3), 419-433. PDF

Kikuchi DW, Mappes J, Sherratt TN, Valkonen JK 2016: Towards a tractable working hypothesis for deimatic displays. Behavioral Ecology, arw072. PDF

Umbers KDL & Mappes J 2016: Towards a tractable working hypothesis for deimatic displays. Animal Behaviour 113, e5-e7. PDF

Rojas, B. 2016. Behavioural, ecological, and evolutionary aspects of diversity in frog colour patterns. Biological Reviews. DOI: 10.1111/brv.12269 PDF

Ketola T, Mikonranta L & Mappes J 2016: Evolution of bacterial life-history traits is sensitive to community structure. Evolution. PDF

Sundberg LR, Ketola T, Laanto E, Kinnula H, Bamford J, Penttinen R & Mappes J 2016: Intensive aquaculture selects for increased virulence and interference competition in bacteria. Proc. R. Soc. B 283 (1826). PDF

Ketola T, Mikonranta L, Laakso J & Mappes J 2015: Different food sources elicit fast changes to bacterial virulence. Biology letters 12 (1), 20150660. PDF


Chargé R, Wedell N, Lindstedt C, Hämäläinen L, Övermark E & Mappes J 2015: Variation in male fertility in a polymorphic moth, Parasemia plantaginis. Animal Behaviour 111, 33-40. PDF

Reudler JH, Lindstedt C, Pakkanen H, Lehtinen I & Mappes J 2015: Costs and benefits of plant allelochemicals in herbivore diet in a multi enemy world. Oecologia 179 (4), 1147-1158. PDF

Honma A, Mappes J & Valkonen JK 2015: Warning coloration can be disruptive: aposematic marginal wing patterning in the wood tiger moth. Ecology and evolution 5 (21), 4863-4874. PDF

Rojas B., Valkonen J. & Nokelainen O. 2015. Aposematism. Current Biology 25 (9): R350–R351

Stynoski, J. L.‡, Schulte, L. M.‡ & Rojas, B.‡ 2015. Poison frogs. Quick Guide. Current Biology 25:R1026–R1028.(‡ Equal contribution) PDF

Rojas, B. 2015. Mind the gap: treefalls as drivers of parental tradeoffs. Ecology & Evolution. DOI: 10.1002/ece3.1648 PDF

Burdfield-Steel, E.R., Auty, S. & Shuker, D.M. (2015) Do the benefits of polyandry scale with outbreeding? Behavioral Ecology, 26 (5): 14231431.

Gordon SP, Kokko H, Rojas B, Nokelainen O & Mappes J 2015: Colour polymorphism torn apart by opposing positive frequency-dependent selection, yet maintained in space. Journal of Animal Ecology 84 (6), 1555-1564. PDF

Dougherty, L.R., Rahman, I.A., Burdfield-Steel, E.R., Greenway, E.V. & Shuker, D.M. (2015) Experimental reduction of intromittent organ length reduces male reproductive success in a bugProceedings of the Royal Society, Series B.

Shuker, D.M., Currie, N., Hoole, T. & Burdfield-Steel, E.R. (2015) The extent and costs of reproductive interference among four species of true bugPopulation Ecology.

Exnerová A, Ježová D, Štys P, Doktorovová L, Rojas B & Mappes J 2015: Different reactions to aposematic prey in 2 geographically distant populations of great tits. Behavioral Ecology 26 (5), 1361-1370. PDF

Gordon S.P.*, Y.Y. Chen*, K. Yamashita, C. Behar, A. Wishire, and V. Cheung. 2015. Sex-specific genetic differences in endurance swimming of Trinidadian guppies. Ecology and Evolution 5:5318-5328.

López-Sepulcre A, De Bona S, Valkonen J, Umbers KDL & Mappes J 2015: Item Response Trees: a recommended method for analyzing categorical data in behavioral studies. Behavioral Ecology 26 (5), 1268-1273. PDF

Gordon S.P., D. Reznick, J.D. Arendt, A. Roughton, M.N. Ontiveros Hernandez, P. Bentzen, and A. López-Sepulcre. 2015. Selection analysis on the rapid evolution of a secondary sexual trait. Proceedings of the Royal Society of London B, 282.

Hämäläinen L, Valkonen J, Mappes J & Rojas B 2015: Visual illusions in predator–prey interactions: birds find moving patterned prey harder to catch. Animal cognition 18 (5), 1059-1068. PDF

Mikonranta L, Mappes J, Laakso J & Ketola T 2015: Within-host evolution decreases virulence in an opportunistic bacterial pathogen. BMC evolutionary biology 15 (1), 165. PDF

Rojas B, Gordon SP & Mappes J 2015: Frequency-dependent flight activity in the colour polymorphic wood tiger moth. Current Zoology 61 (4). PDF

Hegna RH, Galarza JA & Mappes J 2015: Global phylogeography and geographical variation in warning coloration of the wood tiger moth (Parasemia plantaginis). Journal of Biogeography 42 (8), 1469-1481. PDF

De Bona S, Valkonen JK, López-Sepulcre A & Mappes J 2015: Predator mimicry, not conspicuousness, explains the efficacy of butterfly eyespots. Proc. R. Soc. B 282 (1806), 20150202. PDF

Umbers KDL & Mappes J 2015: Postattack deimatic display in the mountain katydid, Acripeza reticulata. Animal Behaviour 100, 68-73. PDF

Galarza JA, Mappes J & Valkonen JK 2015: Biogeography of the smooth snake (Coronella austriaca): origin and conservation of the northernmost population. Biological Journal of the Linnean Society 114 (2), 426-435. PDF

Umbers KDL, Lehtonen J & Mappes J 2015: Deimatic displays. Current Biology 25 (2), R58-R59. PDF

Kinnula H, Mappes J, Valkonen JK & Sundberg LR 2015: The Influence of Infective Dose on the Virulence of a Generalist Pathogen in Rainbow Trout (Oncorhynchus mykiss) and Zebra Fish (Danio rerio). PloS one 10 (9), e0139378. PDF


Mappes J, Kokko H, Ojala K & Lindström L 2014: Seasonal changes in predator community switch the direction of selection for prey defences. Nature Communications. PDF

Galarza J, Nokelainen O, Ashrafi R, Hegna RH & Mappes J 2014: Temporal relationship between genetic and warning signal variation in the aposematic wood tiger moth. Molecular Ecology. PDF

Hegna RH & Mappes J 2014: Influences of geographic differentiation in the forewing warning signal of the wood tiger moth in Alaska. Evolutionary Ecology. PDF

Rojas, B. 2014. Strange parental decisions: fathers of the dyeing poison frog deposit their tadpoles in pools occupied by large cannibals. Behavioral Ecology and Sociobiology 68:551-559. PDF

Rojas B, Rautiala P & Mappes J 2014: Differential detectability of polymorphic warning signals under varying light environments. Behavioural Processes. PDF

Valkonen J & Mappes J 2014: Resembling a Viper: Implications of Mimicry for Conservation of the Endangered Smooth Snake. Conservation Biology. PDF

Valkonen J, Nokelainen O, Jokimäki M, Kuusinen E, Paloranta M, Peura M & Mappes J 2014: From deception to frankness: Benefits of ontogenetic shift in the anti-predator strategy of alder moth (Acronicta alni) larvae. Current Zoology 60(1):114-122. PDF

Nokelainen O, Valkonen J, Lindstedt C & Mappes J 2014: Changes in predator community structure shifts the efficacy of two warning signals in Arctiid moths. Journal of Animal Ecology 83(3):598–605. PDF

Rojas, B., Devillechabrolle, J. & Endler, J. A. 2014. Paradox lost: colour pattern and movement are associated in an aposematic frog. Biology Letters 10: 20140193. PDF

Zhang J, Örmälä-Odegrip AM, Mappes J & Laakso J 2014: Top-down effects of a lytic bacteriophage and protozoa on bacteria in aqueous and biofilm phases. Ecology and evolution 4 (23), 4444-4453. PDF

Zhang J, Ketola T, Örmälä-Odegrip AM, Mappes J & Laakso J 2014: Coincidental Loss of Bacterial Virulence in Multi-Enemy Microbial Communities. PloS one 9 (11). PDF


Chevasco V, Elzinga JA, Galarza JA, Mappes J & Grapputo A 2013: Investigating the origin of parthenogenesis and ploidy level in Dahlica fennicella (Lepidoptera: Psychidae). Ann. Zool. Fennici 50: 125-145 PDF

Nokelainen O, Lindstedt C & Mappes J 2013: Environment-mediated morph-linked immune and life-history responses in the aposematic wood tiger moth. Journal of Animal Ecology 82:653-656. PDF

Hegna RH, Nokelainen O, Hegna JR & Mappes J 2013: To quiver or to shiver: increased melanization benefits thermoregulation, but reduces warning signal efficacy in the wood tiger moth. Proc. R. Soc. Lond. B 280: 20122812. PDF

Nokelainen O, Hegna RH, Reudler JH, Lindstedt C & Mappes J 2012: Trade-off between warning signal efficacy and mating success in the wood tiger moth. Proc. R. Soc. Lond. B 279:257-265. PDF

Rojas, B. & Endler, J. A. 2013. Sexual dimorphism and intra-populational colour pattern variation in the aposematic frog Dendrobates tinctorius. Special Issue on the ‘Evolutionary Ecology of Poison Frogs’. Evolutionary Ecology 27:739-753. PDF

López-Sepulcre A, S.P. Gordon, I.G. Paterson, P. Bentzen, and D.N. Reznick. 2013. Beyond lifetime reproductive success: the posthumous reproductive dynamics of male Trinidadian guppies. Proceedings of the Royal Society of London B, 180: 20131116.

Mappes J & Lindström L 2012: How Did the Cuckoo Get Its Polymorphic Plumage? Science 337:532. PDF

Zhang J, Friman V, Laakso J & Mappes J 2012: Interactive effects between diet and genotypes of host and pathogen define the severity of infection. Ecology and Evolution 2:2347–2356. PDF

Ketola T, Mikonranta L, Zhang J, Saarinen K, Örmälä A-M, Friman V-P, Mappes J & Laakso J 2013: Fluctuating temperature leads to evolution of thermal generalism and preadaptation to novel environments. Evolution 67(10):2936-2944. PDF

Valkonen JK, Nokelainen O, Niskanen M, Kilpimaa J, Björklund M & Mappes J 2012: Variation in predator species abundance can cause variable selection pressure on warning signaling prey. Ecology and Evolution 2:1971–1976. PDF

Ihalainen E, Rowland HM, Speed MP, Ruxton GD & Mappes J 2012: Prey community structure affects how predators select for Müllerian mimicry. Proceedings of Royal Society of London B 279:2099-2105. PDF

Speed M, Ruxton G, Mappes J & Sherratt T 2012: Why are defensive toxins so variable? An evolutionary perspective. Biological Reviews 87:874–884. PDF

Laurenz M, Reudler Talsma J, Friman V, Mappes J & Lindstedt C 2012: Diet quality can play a critical role in the defence efficiency against parasitoids and pathogens in the Glanville fritillary (Melitaea cinxia). Journal of Chemical Ecology 38:116-125. PDF

Valkonen JK & Mappes J 2012: Comments on Guimarães & Sawaya 2012: Pretending to be venomous: is a snake’s head shape a trustworthy signal to a predator? Journal of Tropical Ecology 28:123.124. PDF

Nokelainen O, Hegna R, Lindstedt C, Reudler JH & Mappes J 2012: Trade-off between warning signal efficacy and mating success in the wood tiger moth. Proceedings of Royal Society of London B 279:257-265. PDF

Kokko H & Mappes J 2012: Multiple mating by females is a natural outcome of a null model of mate encounters. Entomologia Experimentalis et Applicata 146:26–37. PDF


Valkonen JK, Nokelainen O & Mappes J 2011: Antipredatory function of head shape of vipers and their mimics. PLoSONE 6(7):e22272

Valkonen J, Niskanen M, Björklund M & Mappes J 2011: Disruption or aposematism? Significance of dorsal zigzag pattern of European vipers. Evolutionary Ecology 25:1047-1063. PDF

Lindstedt C, Eager H, Ihalainen E, Kahilainen A, Stevens M & Mappes J 2011: Direction and strength of selection by predators for the color of the aposematic wood tiger moth. Behavioral Ecology 2:580-587. PDF

Lindstedt C, Huttunen H, Kakko M & Mappes J 2011: Disentangling the evolution of weak warning signals: high detection risk and low production costs of chemical defences in gregarious pine sawfly larvae. Evolutionary Ecology 25:1029-1046. PDF

Galarza JA, Viinikainen SM, Ashrafi R & Mappes J: First microsatellite panel for the Wood Tiger Moth (Parasemia plantaginis). Conservation Genetics Resources 3:197-199. PDF

Marples N & Mappes J 2011: Can the dietary conservatism of predators compensate for positive frequency dependent selection against rare, conspicuous prey? Evolutionary Ecology 25:737-749. PDF


Rowland, H, Mappes J, Ruxton G & Speed M 2010: Mimicry between unequally defended prey can be parasitic: Evidence for Quasi-Batesian mimicry. Ecology Letters 13:1494-1502. PDF

Hansen B, Holen ØH & Mappes J 2010: Predators use environmental cues to discriminate between prey. Behavioral Ecology and Sociobiology 12:1991-1997. PDF

Rowland H, Mappes J, Ruxton G & Speed M 2010: When more is less: responses of predators to varied numbers of chemically defended prey. Biology Letters 6:732-735. PDF

Sandre S-L, Stevens M & Mappes J 2010: The effect of predator appetite, prey warning coloration and luminance on predator foraging decisions. Behavior 147:1121-1143(23).

Rowland H, Hoogesteger T, Ruxton G, Speed M & Mappes J 2010: A tale of two signals: Mimicry between aposematic species enhances predator avoidance learning. Behavioral Ecology 21: 851-860. PDF

Lindstedt C, Morehouse N, Pakkanen H, Casas J, Christides J-P, Kemppainen K, Lindström L & Mappes J 2010: Characterizing the pigment composition of a variable warning signal of Parasemia plantaginis larvae (Arctiidae). Functional Ecology 24:759-766. PDF

Lindstedt, C, Reudler Talsma, JH, Ihalainen, E, Lindström, L & Mappes, J 2010: Diet quality affects warning coloration indirectly: excretion costs in a generalist herbivore. Evolution 64:68-78.PDF

2009 and before

Predator-prey interactions, crypsis, aposematism and mimicry

Friman, V-P, Lindstedt, C, Hiltunen, T, Laakso, J & Mappes, J 2009. Predation on multiple trophic levels shapes the evolution of pathogen virulence. PLOS One 4: e6761 PDF

Lindstedt C, Lindström L & Mappes J 2009: Thermoregulation constrains effective warning signal expression. Evolution 63-2:469-478.PDF

Lindstedt C, Lindström L & Mappes J 2008: Hairiness and warning colours as components of antipredator defence: additive or interactive benefits? Animal Behaviour 75:1703-1713. PDF

Ihalainen E, Lindström L, Mappes J & Puolakainen S 2008: Butterfly effects in mimicry? Combining signal and taste can twist the relationship of Müllerian co-mimics. Behavioral Ecology and Sociobiology 62:1267-1276. PDF

Ihalainen E, Lindström L, Mappes J & Puolakkainen, S 2008: Can experienced birds select for Müllerian mimicry? Behavioral Ecology 9:362-368. PDF

Rowland HM, Ihalainen E, Lindström L, Mappes J & Speed MP 2007: Co-mimics have a mutualistic relationship despite unequal defence levels. Nature 448:64-66. PDF

Ojala K, Lindström L & Mappes J 2007: Life-history constraints and warning signal expression in an Arctiid moth. Functional Ecology 21:1162-1167. PDF

Sandre S-L, Tammaru T, Esperk T, Julkunen-Tiitto R, & Mappes J 2007: Carotenoid-based colour polymorphism in a moth species: a search for fitness correlates. Entomologia Experimentalis et Applicata 124:269-277. PDF

Mänd T, Tammaru T & Mappes J 2007: Size dependent predation risk in cryptic and aposematic insects. Evolutionary Ecology 21:485-498. PDF

Ihalainen E, Lindström L & Mappes J 2007: Investigatin Müllerian mimicry: Predator learning and variation in prey defences. Journal of Evolutionary Biology 20(2):780-791. PDF

Lindstedt C, Mappes J, Päivinen J & Varama M 2006: Effects of group size and pine defence chemicals on Diprionid sawfly survival against ant predation. Oecologia 150:519-526. PDF

Ham A, Ihalainen E, Lindström L & Mappes J 2006: Does colour matter? Importance of colour in avoidance learning and memorability. Behavioral Ecology and Sociobiology 60:482-491. PDF

Lindström L, Lyytinen A, Ojala K & Mappes J 2006: Relative importance of taste and visual appearance for predator education in Müllerian mimicry. Animal Behaviour 72:323-333. PDF

Niskanen M & Mappes J 2005: Significance of the dorsal zigzag pattern of Vipera latastei gaditana against avian predators. Journal of Animal Ecology 74:1091-1101.PDF

Mappes J, Marples N & Endler JA 2005: The complex business of survival by aposematism . Trends in Ecology and Evolution 20:598-603. PDF

Ojala K, Julkunen-Tiitto R, Lindström L & Mappes J 2005: Diet affects the encapsulation ability of an Arctiid moth Parasemia planataginis. Evolutionary Ecology Research 7:1153-1170. PDF

Lyytinen A Lindström L & Mappes J 2004: Ultraviolet reflection and predation risk in diurnal and nocturnal Lepidoptera. Behavioral Ecology 15:982-987. PDF

Lindström L, Alatalo RV, Lyytinen A & Mappes J 2004: The effect of alternative prey on the dynamics of Batesian and Müllerian mimicries. Evolution 58:1294-1302. PDF

Endler JA & Mappes J 2004: Predator mixes and the conspicuousness of aposematic signals. American Naturalist 163:532-547. PDF

Lyytinen A, Brakefield P, Lindström L & Mappes J 2004. Does predation maintain eyespot plasticity in Bicyclus anyana? Proceedings of Royal Society of London B 271:279-283. PDF

Kokko H, Mappes J & Lindström L 2003: Alternative prey can change model-mimic dynamics between parasitism and mutualism Ecology Letters 6:1068-1076. PDF

Kauppinen J & Mappes J 2003: Why are wasps so intimidating; field experiments on hunting dragonflies (Odonata: Aeshna grandis). Animal Behaviour 66:505-511. PDF

Lyytinen A, Brakefield P & Mappes J 2003: Significance of butterfly eyespots as an anti-predator device in ground-based and aerial attacks. Oikos 100:373-377. PDF

Riipi M, Alatalo RV, Lindström L & Mappes J 2001: Multiple benefits cover detectability costs in aposematic aggregations. Nature 413:512-514. PDF

Lindström L, Alatalo RV, Lyytinen A & Mappes J 2001: Strong antiapostatic selection against novel rare aposematic prey. PNAS 98:9181-9184. PDF

Merilaita S, Lyytinen A & Mappes J 2001: Selection for cryptic coloration in a visually heterogenous habitat. Proceedings of Royal Society of London B 268:1-5. PDF

Lyytinen A, Alatalo RV, Lindström L & Mappes J 2001: Are European white butterlies aposematic? Evolutionary Ecology 13:709-719. PDF

Lindström L, Alatalo RV, Lyytinen A & Mappes J 2001: Predator experience on cryptic prey affects the survival of conspicuous aposematic prey. Proceedings of Royal Society of London B. 268:1925-1929. PDF

Lyytinen A, Alatalo RV, Lindström L & Mappes J 2001: Can ultraviolet cues function as aposematic signals? Behavioral Ecology 12(1):65-70. PDF

Alatalo RV & Mappes J 2000: Initial evolution of warning coloration – comments on the novel world method. Animal Behaviour 60:F1-F2. PDF

Mappes J., Tuomi J & Alatalo RV 1999: Do palatable prey benefit from aposematic neighbour? Ecoscience 6(2):159-162. PDF

Lindström L, Alatalo RV & Mappes J 1999: Inherited avoidance towards colour, gregariousness and conspicuousness – experiments with naive and experienced predators. Behavioral Ecology 10:317-322. PDF

Lindström L, Alatalo RV, Mappes J, Riipi, M & Vertainen, L 1999: Can aposematic signals evolve by gradual changes? Nature 397:249-251. PDF

Mappes J & Alatalo RV 1997: Batesian mimicry and signal accuracy. Evolution 51:2048-2051. PDF

Mappes J & Alatalo RV 1997: Effect of novelty and gregariousness in survival of aposematic prey. – Behavioral Ecology 8:174-177. PDF

Lindström L, Alatalo RV & Mappes J 1997: Imperfect Batesian mimicry – the effects of the frequency and the distastefulness of the model. Proceedings of Royal Society of London B. 264:149-153. PDF

Alatalo RV & Mappes J 1996: Tracking the evolution of warning signals – Nature 383:708-710. PDF

Mappes J & Kaitala A 1995: Host-plant selection and predation risk for offspring of the parent bug – Ecology 76:2668-2670. PDF

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Sexual selection

Lindström L, Ahtiainen J, Alatalo RV, Kotiaho JS, Lyytinen A & Mappes J 2005: Negatively condition dependent predation cost of a positively condition dependent sexual signalling. Journal of Evolutionary Biology 19:649-656. PDF

Kokko H & Mappes J 2005: Sexual selection when fertilization is not guaranteed. Evolution 59:1876-1885. PDF

Ahtiainen J, Alatalo RV, Mappes J & Vertainen L 2004: Sexual selection reveals reduced viability in small populations of the drumming wolf spider Hygrolycosa rubrofasciata. Proceedings of Royal Society of London B 271:1839-1845. PDF

Kotiaho JS, Alatalo RV, Mappes J & Parri S 2004: Adaptive significance of synchronous chorusing in a wolf spider Hygrolycosa rubrofasciata. Proceedings of Royal Society of London B 271:1847-1850. PDF

Ahtiainen J, Alatalo RV, Mappes J & Parri S 2003: Fluctuating asymmetry and sexual performance in the drumming spider Hygrolycosa rubrofasciata. Annales Zoology Fennici 40:281-292. PDF

Parri S, Alatalo RV, Kotiaho J & Mappes J, Rivero A 2002: Sexual selection in the wolf spider Hygrolycosa rubrofasciata: female preference for drum duration and pulse rate. Behavioral Ecology 13:615-621. PDF

Rivero A, Alatalo RV, Kotiaho J, Mappes J & Parri S 2000: Acoustic signalling in a wolf spider: can signal characteristic predict male quality? Animal Behaviour 60:187-194. PDF

Kotiaho JS, Alatalo RV, Mappes J & Parri S 2000: Microhabitat selection and audible sexual signalling in the wolf spider Hygrolycosa rubrofasciata (Araneae; Lycosidae). Acta Ethologica 2:123-128.

Kotiaho JS, Alatalo RV, Mappes J & Parri S 1999: Honesty of agonistic signalling and effects of size and motivation asymmetry in contests. Acta Ethologica 2:13-21.

Kotiaho J, Alatalo RV, Mappes J & Parri S, Rivero A 1999: Sexual signalling and viability in a wolf spider: measurements under laboratory and field conditions. Behavioral Ecology and Sociobiology 46:123-128. PDF

Alatalo RV, Kotiaho J, Mappes J & Parri S 1998: Mate choice for offspring performance – small benefits but minor costs. Proceedings of Royal Society of London B. 265:2297-2301. PDF

Kotiaho J, Alatalo RV, Mappes J, Mogens N, Parri S, & Rivero A 1998: Energetic cost of size and sexual signalling in a wolf spider. Proceedings of the Royal Society of London B. 265:2203-2209 PDF

Parri S, Alatalo RV & Mappes J 1998: Does female leaf beetle Galerucella nymphaeae L. choose her mates and does it matter? – Oecologia 114:127-132. PDF

Kotiaho J, Alatalo RV, Mappes J & Parri S, Rivero A. 1998: Male mating success and risk of predation in a wolf spider: a balance between sexual and natural selection? Journal of Animal Ecology 67:287-291. PDF

Kotiaho J, Alatalo RV, Mappes J & Parri S 1997: Fighting success in relation to body mass and drumming activity in the male wolf spider Hygrolycosa rubrofasciata. – Canadian Journal of Zoology 75:1532-1535.

Parri S, Alatalo RV, Kotiaho J & Mappes J 1997: Female preference for male drumming rate in the wolf spider Hygrolycosa rubrofasciata. – Animal Behaviour 53:305-312. PDF

Alatalo RV, Mappes J & Elgar M 1997: Heritabilities and paradigm shifts -Nature 385: 402-403. PDF

Kotiaho J, Alatalo RV, Mappes J & Parri S 1996: Sexual selection in a wolf spider: male drumming activity, body size and viability. – Evolution 50:1977-1981. PDF

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Invasion biology

Lyytinen A, Boman S, Grapputo A, Lindström L, & Mappes J 2009: Cold tolerance during larval development: effects on the thermal distribution limits of Leptinotarsa decemlineata. Entomologia Experimentalis et Applicata 133:92-99(8).

Boman S, Grapputo A, Lindström L, Lyytinen A & Mappes J 2008: Quantitative genetic approach for assessing invasiveness: geographic and genetic variation in life-history traits. Biological Invasions 10:1135-1145. PDF

Lyytinen A, Fasulati S, Julkunen-Tiitto R, Lindström L, Mappes J & Tiilikkala K 2007: Variability in host plant chemistry: behavioural responses and life-history parameters of the colorado potato beetle (Leptinotarsa decemlineata). Chemoecology 17:51-56

Grapputo A, Boman S, Lindström L, Lyytinen A & Mappes J 2005: The voyage of an invasive species across continents: genetic diversity of North American and European Colorado potato beetle populations. Molecular Ecology 14(14):4207-19. PDF

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Sexual vs. asexual reproduction

Elzinga J, Chevasco V, Grapputo A & Mappes J. Influence of male mating history on female reproductive success among monandrous Naryciinae(Lepidoptera:Psychidae)EcologicalEntomology online first

Grapputo A, Kumpulainen T, Mappes J & Parri S 2005: Genetic variability in populations of asexual and sexual bagworm moths (Lepidoptera: Psychidae). BMC Ecology 5:5.PDF

Grapputo A, Kumpulainen T & Mappes J 2005: Phylogeny and the evolution of parthenogenesis in Finnish bagworm moth species (Lepidoptera: Psychidae: Naryciinae) based on mtDNA markers. Annales Zoologici Fennici 42:141-160. PDF

Kumpulainen T, Grapputo A & Mappes J 2004: Parasites and sexual reproduction in Psychidae moths. Evolution 58:1511-1520. PDF

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Parental care and life histories

Kilpimaa J, Van de Casteele T, Jokinen I, Mappes J & Alatalo RV 2005: Genetic and environmental variation in antibody and T-cell mediated responses in the great tit. Evolution 59(11):2483-2489. PDF

Vertainen L, Alatalo RV, Mappes J & Parri S 2000: Sexual differences in growth strategies of the wolf spider Hygrolycosa rubrofasciata. Evolutionary Ecology 14:595-610. PDF

Kotiaho J, Alatalo RV, Mappes J & Parri S 1999: Overwintering survival in relation to body mass in a field population of the wolf spider Hygrolycosa rubrofasciata Journal of Zoology 248:270-272

Oksanen TA, Alatalo RV, Horne T, Koskela E, Mappes J & Mappes T 1999: Maternal effort and male quality in the bank vole Cletrionomys clareolus. Proceedings of Royal Society of London B 266:1495-1499.

Kaitala A & Mappes J 1997: Parental care and reproductive investment in shield bugs (Acanthosomatidae, Heteroptera). Oikos 80:3-7.

Mappes J, Mappes T & Lappalainen T 1997: Unequal maternal investment in offspring quality in relation to predation risk. – Evolutionary Ecology 11:237-243. PDF

Mappes J, Alatalo RV, Kotiaho J & Parri S 1996: Viability costs of condition-dependent sexual male display in a drumming wolf spider. Proceedings of the Royal Society of London B. 263:785-789.

Mappes J, Kaitala A & Rinne V 1996: Temporal variation in reproductive allocation in a shield bug (Elasmostethus interstinctus L.). – Journal of Zoology 240:29-35. PDF

Mappes J, Kaitala A & Alatalo RV 1995: Joint brood guarding in parent bugs. – An experiment on defence against predation. Behavioral Ecology and Sociobiology 36:343-347.

Mappes J & Kaitala A 1995: Host-plant selection and predation risk for offspring of the parent bug – Ecology 76:2668-2670. PDF

Mappes J 1994: Parasites effect female’s ability to defend her offspring in Elasmucha grisea L. – Ethology 97:76-80.

Mappes T, Mappes J & Kotiaho J 1994: Parasites effect nest site choice and breeding success in pied flycatcher – Oecologia 98:147-149.

Mappes J & Kaitala A 1994: Experiments with Elasmucha grisea L: (Heteroptera: Acanthosomatidae): does a female parent bug lays as many eggs as she can defend? – Behavioral Ecology 3:314-317.

Mappes J & Mäkelä I 1993: Egg and larval load assessment and its influence in the oviposition behaviour of water-lily beetle, Galerucella nymphaeae. Oecologia 1:38-41.