Sympatric speciation: Norm or exception?

Specialization, Speciation, and Radiation: The Evolutionary Biology of Herbivorous Insects

Volumn , Issue , 2008, Pages 136-148

  Futuyma, Douglas J ^a  

^a STONY BROOK UNIVERSITY   (United States)

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EID: 58549084541     PISSN: None     EISSN: None     Source Type: Book    
DOI: None     Document Type: Chapter

References (143)

1. Appel, H.M., and M.M. Martin. 1992. Significance of metabolic load in the evolution of host specificity of Manduca sexta. Ecology 73: 216-228.
2. Ballabeni P. K. Gottbard, A. Kayumba, and M. Rahier. 2003. Local adaptation and ecological genetics of host-plant specialization in a leaf beetle. Oikos 101: 70-78.
3. Barluenga, M., K.N. Stölting, W. Salzburger, M. Muschick, and A. Meyer. 2006. Sympatric speciation in Nicaraguan crater lake cichlid fish. Nature 439: 719-723.
4. Berdegue, M., J.T. Trumble, J.D. Hare, and R. A. Redak. 1996. Is it enemy-free space? The evidence for terrestrial insects and freshwater arthropods. Ecol. Entomol. 21: 203-217.
5. Berenbaum, M.L. 2002. Postgenomic chemical ecology: from genetic code to ecological interactions. J. Chem. Ecol. 28: 873-896.
6. Berlocher, S.H., and J. L. Feder. 2002. Sympatric speciation in phytophagous insects: moving beyond controversy? Annu. Rev. Entomol. 47: 773-815.
7. Bernays, E.A., and R.F. Chapman. 1994. Host-plant selection by phytophagous insects. Chapman and Hall, London.
8. Bernays, E.A., and D.J. Funk. 1999. Specialists make faster decisions than generalists: experiments with aphids. Proc. R. Soc. Lond. B. 266: 151-156.
9. Bernays, E.A., and W. Wcislo. 1994. Sensory capabilities, information processing and resource specialization. Q. Rev. Biol. 69: 187-204.
10. Blau, W.S., and P. Feeny. 1983. Divergence in larval responses to food plants between temperate and tropical populations of the black swallowtail butterfly. Ecol. Entomol. 8: 249-257.
11. Bossart, J.L. 2003. Covariance of preference and performance on normal and novel hosts in a locally polyphagous butterfly population. Oecologia 135: 477-486.
12. Bush, G.L. 1969. Sympatric host race formation and speciation in frugivorous flies of the genus Rhagoletis in North America (Diptera, Tephritidae). Evolution 23: 237-251.
13. Bush, G.L. 1975. Sympatric speciation in phytophagous parasitic insects, pp. 187-207. In P.W. Price (ed.), Evolutionary strategies in parasitic insects and mites. Plenum, New York.
14. Caillaud, M.C., and S. Via. 2000. Specialized feeding behavior influences both ecological specialization and assortative mating in sympatric host races of pea aphids. Am. Nat. 156: 606-621.
15. Chesser, R.T., and R. M. Zink. 1994. Modes of speciation in birds: a test of Lynch's method. Evolution 48: 490-497.
16. Claridge, M.F. 1993. Speciation in insect herbivores: the role of acoustic signals in leafhoppers and planthoppers, pp. 285-297. In D.R. Lees and D. Edwards (eds.), Evolutionary patterns and processes. Academic Press, London.
17. Coyne, J., and H. A. Orr. 2004. Speciation. Sinauer, Sunderland, MA.
18. Craig, T.P., J.D. Horner, and J.K. Itami. 2001. Genetics, experience, and host-plant preference in Eurosta solidaginis: implications for sympatric speciation. Evolution 51: 1552-1560.
19. de Jong, P.W.,H.O. Frandsen, L. Rasmussen, and J.K. Nielsen. 2000.
20. Genetics of resistance against defences of the host plant Barbaraea vulgaris in a Danish flea beetle population. Proc. R. Soc. Lond. B. 267: 1663-1670.
21. Dieckmann, U., and M. Doebeli. 1999. On the origin of species by sympatric speciation. Nature 400: 354-357.
22. Dieckmann, U., M. Doebeli, J. A.J. Metz, and D. Tautz (eds.). 2004. Adaptive speciation. Cambridge University Press, Cambridge, UK.
23. Diehl, S.D., and G.L. Bush. 1989. The role of habitat preference in adaptation and speciation, pp. 345-365. In D. Otte and J. A. Endler (eds.), Speciation and its consequences. Sinauer, Sunderland, MA.
24. Drés, M., and J. Mallet. 2002. Host races in plant-feeding insects and their importance in sympatric speciation. Phil. Trans. R. Soc. Lond. B. 357: 471-492.
25. Emelianov, I., F. Marec, and J. Mallet. 2004. Genomic evidence for divergence with gene flow in host races of the larch budmoth. Proc. R. Soc. Lond. B. 271: 97-105.
26. Etges, W.J., W.R.Johnson, G. A. Duncan, G. Huckins, and W. B. Heed. 1999. Ecological genetics of cactophilic Drosophila, pp. 164-214. In R. Robichaux (ed.), Ecology of Sonoran desert plants and plant communities. University of Arizona Press, Tucson.
27. Feder, J.L., and G.L. Bush. 1989. A field test of differential host plant usage between two sibling species of Rhagoletis pomonella fruit flies (Diptera: Tephritidae) and its consequences for sympatric models of speciation. Evolution 43: 1813-1819.
28. Feder, J.L., and K.E. Filchak. 1999. It's about time: the evidence for host plant-mediated selection in the apple maggot fly, Rhagoletis pomonella, and its implications for fitness trade-offs in phytophagous insects. Entomol. Exp. Appl. 91: 211-225.
29. Feder, J.L., C.A. Chilcote, and G.L. Bush. 1988. Genetic differentiation between sympatric host races of the apple maggot fly Rhagoletis pomonella. Nature 336: 61-64.
30. Feder, J. L., S.H. Berlocher, J. B. Roethele, H. Dambroski, J.J. Smith, W.L. Perry. 2003a. Allopatric genetic origins for sympatric hostplant shifts and race formation in Rhagoletis. Proc. Nat. Acad. Sci. U.S.A. 100: 10314-10319.
31. Feder, J. L., J.B. Roethele, K. Filchak, J. Niedbalski, and J. Romero- Severson. 2003b. Evidence for inversion polymorphism related to sympatric host race formation in the apple maggot fly, Rhagoletis pomonella. Genetics 163: 939-953.
32. Felsenstein, J. 1981. Skepticism towards Santa Rosalia, or why are there so few kinds of animals? Evolution 35: 124-138.
33. Filchak, K.E., J.B. Roethele, and J.L. Feder. 2000. Natural selection and sympatric divergence in the apple maggot Rhagoletis pomonella. Nature 407: 739-742.
34. Forister, M.L. 2005. Independent inheritance of preference and performance in hybrids between host races of Mitoura butterflies (Lepidoptera: Lycaenidae). Evolution 59: 1149-1155.
35. Fox, C.W. 1993. A quantitative genetic analysis of oviposition preference and larval performance on two hosts in the bruchid beetle Callosobruchus maculatus. Evolution 47: 166-175.
36. Fox, C.W., K.J. Waddell, and T. A. Mousseau. 1994. Host-associated fitness variation in a seed beetle (Coleoptera: Bruchidae): evidence for local adaptation to a poor quality host. Oecologia 99: 329-336.
37. Fox, L.R., and P. A. Morrow. 1981. Specialization: species property or local phenomenon? Science 211: 887-893.
38. Fry, J.D. 1990. Tradeoffs in fitness on different hosts: evidence from a selection experiment with a phytophagous mite. Am. Nat. 136: 569-580.
39. Fry, J.D. 1993. The "general vigor" problem: can antagonistic pleiotropy be detected when genetic covariances are positive? Evolution 47: 327-333.
40. Fry, J.D. 1996. The evolution of host specialization: are trade-offs overrated? Am. Nat. 148: S84-S107.
41. Fry, J.D. 2003a. Multilocus models of sympatric speciation: Bush versus Rice versus Felsenstein. Evolution 57: 1735-1746.
42. Fry, J.D. 2003b. Detecting ecological trade-offs using selection experiments. Ecology 84: 1672-1678.
43. Funk, D.J. 1998. Isolating a role for natural selection in speciation: host adaptation and sexual isolation in Neochlamisus bebbianae leaf beetles. Evolution 52: 1744-1759.
44. Funk, D.J., D.J. Futuyma, G. Ortí, and A. Meyer. 1995. A history of host associations and evolutionary diversification for Ophraella (Coleoptera: Chrysomelidae): new evidence from mitochondrial DNA. Evolution 49: 1008-1017.
45. Funk, D.J., K.E. Filchak, and J.L. Feder. 2002. Herbivorous insects: model systems for the comparative study of speciation ecology. Genetica 116: 251-267.
46. Funk, D.J., P. Nosil, and W.J. Etges. 2006. Ecological divergence exhibits consistently positive associations with reproductive isolation across disparate taxa. Proc. Natl. Acad. Sci. USA 103: 3209-3213.
47. Futuyma, D.J. 1983. Evolutionary interactions among herbivorous insects and plants, pp. 207-221. In D.J. Futuyma and M. Slatkin (eds.), Coevolution. Sinauer, Sunderland, MA.
48. Futuyma, D.J. 1990. Observations on the taxonomy and natural history of Ophraella Wilcox (Coleoptera: Chrysomelidae), with a description of a new species. J. NY Entomol. Soc. 98: 163-186.
49. Futuyma, D.J., and G.C. Mayer. 1980. Non-allopatric speciation in animals. Syst. Zool. 29: 254-271.
50. Futuyma, D.J., and S. S. McCafferty. 1990. Phylogeny and the evolution of host plant associations in the leaf beetle genus Ophraella (Coleoptera, Chrysomelidae). Evolution 44: 1885-1913.
51. Futuyma, D.J., and G. Moreno. 1988. The evolution of ecological specialization. Annu. Rev. Ecol. Syst. 19: 207-233.
52. Futuyma, D.J., and T. E. Philippi. 1987. Genetic variation and covariation in responses to host plants by Alsophila pometaria (Lepidoptera: Geometridae). Evolution 41: 269-279.
53. Futuyma, D.J., and S. S. Wasserman. 1981. Foodplant specialization and feeding efficiency in the tent caterpillars Malacosoma disstria and M. americanum. Entomol. Exp. Appl. 30: 106-110.
54. Futuyma, D.J., M.C. Keese, and D.J. Funk. 1995. Genetic constraints on macroevolution: the evolution of host affiliation in the leaf beetle genus Ophraella. Evolution 49: 797-809.
55. Gassmann, A.J., A. Levy, T. Tran, and D.J. Futuyma. 2006. Adaptations of an insect to a novel host plant: a phylogenetic approach. Funct. Ecol. 20: 478-485.
56. Gavrilets, S. 2004. Fitness landscapes and the origin of species. Princeton University Press, Princeton, NJ.
57. Gavrilets, S. 2005. "Adaptive speciation"-it is not that easy: a reply to Doebeli et al. Evolution 59: 696-699.
58. Gould, F. 1979. Rapid host range evolution in a population of the phytophagous mite Tetranychus urticae Koch. Evolution 33: 791-802.
59. Gratton, C., and S.C. Welter. 1999. Does "enemy-free space" exist? Experimental host shifts of an herbivorous fly. Ecology 80: 773-785.
60. Guldemond, J.A. 1990. Choice of host plant as a factor in reproductive isolation of the aphid genus Cryptomyzus (Homoptera, Aphididae). Ecol. Entomol. 15: 43-51.
61. Guldemond, J.A., A.F.G. Dixon, and W. T. Tigges. 1994. Mate recognition in Cryptomyzus aphids: copulation and insemination. Entomol. Exp. Appl. 73: 67-75.
62. Hare, J.D., and G.G. Kennedy. 1986. Genetic variation in plantinsect associations: survival of Leptinotarsa decemlineata populations on Solanum carolinense. Evolution 40: 1031-1043.
63. Hawthorne, D.J., and S. Via. 2001. Genetic linkage of ecological specialization and reproductive isolation in pea aphids. Nature 412: 904-907.
64. Holt, R.D. 1996. Demographic constraints in evolution: towards unifying the evolutionary theories of senescence and niche conservatism. Evol. Ecol. 10: 1-11.
65. Holt, R.D., and M.S. Gaines. 1992. Analysis of adaptation in heterogeneous landscapes: implications for the evolution of fundamental niches. Evol. Ecol. 6: 433-447.
66. Hsiao, T.H. 1978. Host plant adaptation among geographic populations of the Colorado potato beetle. Entomol. Exp. Appl. 24: 437-447.
67. Itami, J.K., T.P Craig, and J.D. Horner. 1998. Factors affecting gene flow between the host races of Eurosta solidaginis, pp. 375-407. In S. Mopper and S. Y. Strauss (eds.), Genetic structure and local adaptation in natural insect populations: effects of ecology, life history, and behavior. Chapman and Hall, New York.
68. Jaenike, J. 1987. Genetics of oviposition-site preference in Drosophila tripunctata. Heredity 59: 363-369.
69. Jaenike, J. 1989. Genetic population structure of Drosophila tripunctata: patterns of variation and covariation of traits affecting resource use. Evolution 43: 1467-1482.
70. Jaenike, J. 1990. Host specialization in phytophagous insects. Annu. Rev. Ecol. Syst. 21: 243-273.
71. Janz, N., and S. Nylin. 1997. The role of female search behaviour in determining host plant range in plant feeding insects, a test of the information processing hypothesis. Proc. R. Soc. Lond. B. 264: 701-707.
72. Jeffries, M.J., and J. H. Lawton. 1984. Enemy-free space and the structure of biological communities. Biol. J. Linn. Soc. 23: 269-286.
73. Jones, C.D. 1998. The genetic basis of Drosophila sechellia's resistance to a host plant toxin. Genetics 149: 1899-1908.
74. Joshi, A., and J.N. Thompson. 1995. Trade-offs and the evolution of host specialization. Evol. Ecol. 9: 82-92.
75. Karowe, D.N. 1990. Predicting host range evolution: colonization of Coronilla varia by Colias philodice (Lepidoptera: Pieridae). Evolution 44: 1637-1647.
76. Kawecki, T.J. 1994. Accumulation of deleterious mutations and the long-term cost of being a generalist. Am. Nat. 144: 833-838.
77. Kawecki, T. J., J.D. Fry, and N.H. Barton. 1997. Mutational collapse of fitness in marginal habitats and the evolution of ecological specialization. J. Evol. Biol. 10: 407-429.
78. Keese, M.C. 1996. Feeding responses of hybrids and the inheritance of host-use traits in leaf-feeding beetles (Coleoptera: Chrysomelidae). Heredity 76: 36-42.
79. Keese, M.C. 1998. Performance of two monophagous leaf feeding beetles (Coleoptera: Chrysomelidae) on each other's host plant: do intrinsic factors determine host plant specialization? J. Evol. Biol. 11: 403-419.
80. Kirkpatrick, M., and N.H. Barton. 1997. Evolution of a species' range. Am. Nat. 150: 1-23.
81. LeSage, L. 1986. A taxonomic monograph of the Nearctic galerucine genus OphraellaWilcox (Coleoptera: Chrysomelidae). Mem. Entomol. Soc. Canada 133: 1-75. Ottawa, ON.
82. Leslie, J.F., and H. Dingle. 1983. A genetic basis of oviposition preference in the large milkweed bug, Oncopeltus fasciatus. Entomol. Exp. Appl. 34: 215-220.
83. Losos, J.B., and R.E. Glor. 2003. Phylogenetic comparative methods and the geography of speciation. Trends Ecol. Evol. 18: 220-227.
84. Lu, W., and P. Logan. 1993. Induction of feeding on potato in Mexican Leptinotarsa decemlineata (Coleoptera: Chrysomelidae). Environ. Entomol. 22: 759-765.
85. Lu, W.H., G.G. Kennedy, and F. Gould. 1997. Genetic variation in larval survival and growth and response to selection by Colorado potato beetle (Coleoptera: Chrysomelidae) on tomato. Environ. Entomol. 26: 67-75.
86. Mackenzie, A. 1996. A trade-off for host plant utilization in the black bean aphid, Aphis fabae. Evolution 50: 155-162.
87. Maynard Smith, J. 1976. Group selection. Quart. Rev. Biol. 51: 277-283. Mayr, E. 1942. Systematics and the origin of species. Columbia University Press, New York.
88. Mayr, E. 1942. Systematics and the origin of species. Columbia University Press, New York.
89. Mayr, E. 1963. Animal species and evolution. Harvard University Press, Cambridge, MA.
90. Menken, S.B. J. 1996. Pattern and process in the evolution of insectplant associations: Yponomeuta as an example. Entomol. Exp. Appl. 80: 297-305.
91. Miller, J.R., and K. L. Strickler. 1984. Finding and accepting host plants, pp. 127-157. In W.J. Bell and R. Cardé (eds.), Chemical ecology of insects. Sinauer, Sunderland, MA.
92. Moran, N. 1986. Benefits of host plant specificity in Uroleucon (Homoptera: Aphididae). Ecology 67: 108-115.
93. Neal, J.J. 1987. Metabolic costs of mixed-function oxidase induction in Heliothis zea. Entomol. Exp. Appl. 43: 175-179.
94. Ng, D. 1988. A novel level of interactions in plant-insect systems. Nature 334: 611-612.
95. Nielsen, J.K. 1997. Genetics of the ability of Phyllotreta nemorum larvae to survive on an atypical host plant, Barbarea vulgaris ssp. arcuata. Entomol. Exp. Appl. 82: 37-44.
96. Nosil, P., B.J. Crespi, and C. Sandoval. 2003. Reproductive isolation driven by the combined effects of ecological adaptation and reinforcement. Proc. R. Soc. Lond. B. 270: 1911-1918.
97. Nosil, P., T.H. Vines, and D.J. Funk. 2005. Perspective: reproductive isolation caused by natural selection against immigrants from divergent habitats. Evolution 59: 705-719.
98. Polechová, J., and N.H. Barton. 2005. Speciation through competition: a critical review. Evolution 59: 1194-1210.
99. Radtkey, R., and M.C. Singer. 1995. Repeated reversals of host preference evolution in a specialist insect herbivore. Evolution 49: 351-359.
100. Rausher, M.D. 1984. Tradeoffs in performance on different hosts: evidence from within- and between-sire variation in the beetle Deloyala guttata. Evolution 38: 582-595.
101. Roessingh, P., K.H. Hora, J. J. A. van Loon. 1999. Evolution of gustatory sensitivity in Yponomeuta caterpillars: sensitivity to the stereoisomers dulcitol and sorbitol is localized in a single sensory cell. J. Comp. Physiol. A. 184: 119-126.
102. Römstock, M., and H. Arnold. 1987. Populationsökologie und Wirtswahl bei Tephritis conura Loew-Biotypen (Dipt.: Tephritidae). Zool. Anz. 219: 83-102.
103. Rowell-Rahier, M. 1984. The food plant preferences of Phratora vitellinae (Coleoptera: Chrysomelidae): a laboratory comparison of geographically isolated populations and experiments on conditioning. Oecologia 64: 375.
104. Rundle, H.D., and P. Nosil. 2005. Ecological speciation. Ecol. Lett. 8: 336-352.
105. Sandoval, C.P., and P. Nosil. 2005. Counteracting selective regimes and host preference evolution in ecotypes of two species of walking- sticks. Evolution 59: 2405-2413.
106. Schilthuizen, M. 2001. Frogs, flies, and dandelions: speciation-the evolution of new species. Oxford University Press, New York. Schluter, D. 2000. The ecology of adaptive radiation. Oxford University Press, Oxford, UK.
107. Schoonhoven, L.M., T. Jermy, and J.J. A. van Loon. 1998. Insect-plant biology: from physiology to evolution. Chapman and Hall, London.
108. Scriber, J.M., B.L. Giebink, and D. Snider. 1991. Reciprocal latitudinal clines in oviposition behaviour of Papilio glaucus and P. canadensis across the Great Lakes hybrid zone: possible sex-linkage of oviposition preferences. Oecologia 87: 360-368.
109. Servedio, M.R., and M. Kirkpatrick. 1997. The effects of gene flow on reinforcement. Evolution 51: 1764-1772.
110. Servedio, M.R., and M. A. F. Noor. 2003. The role of reinforcement in speciation: theory and data. Annu. Rev. Ecol. Evol. Syst. 34: 339-364.
111. Service, P.M., and M.R. Rose. 1985. Genetic covariation among life history components: the effect of novel environments. Evolution 39: 943-945.
112. Sezer, M., and R.K. Butlin. 1998a. The genetic basis of oviposition preference differences between sympatric host races of the brown planthopper (Nilaparvata lugens). Proc. R. Soc. Lond. B. 265: 2399-2405.
113. Sezer, M., and R. K. Butlin. 1998b. The genetic basis of host plant adaptation in the brown planthopper (Nilaparvata lugens). Heredity 80: 499-508.
114. Sheck, A.L., and F. Gould. 1996. The genetic basis of differences in growth and behavior of specialist and generalist herbivore species: selection in hybrids of Heliothis virescens and Heliothis subflexa (Lepidoptera). Evolution 50: 831-841.
115. Simon, J.C., S. Carre, M. Boutin, N. Priunier-Leterme, B. Sabater-Muñoz, A. Latorre, and R. Bournoville. 2003. Host-based divergence in populations of the pea aphid: insights from nuclear markers and the prevalence of facultative symbiosis. Proc. R. Soc. Lond. B. 270: 1703-1712.
116. Singer, M.C., D. Ng, and C.D. Thomas. 1988. Heritability of oviposition preference and its relationship to offspring performance within a single insect population. Evolution 42: 977-985.
117. Singer, M.S. 2001. Determinants of polyphagy by a woolly bear caterpillar: a test of the physiological efficiency hypothesis. Oikos 93: 194.
118. Tadeusz, J., T.K. Kawecki, D. Robert, and R.H. Holt. 2002. Evolutionary consequences of asymmetric dispersal rates. Am. Nat. 160 333-347.
119. Templeton, A.R., and E.D. Rothman. 1981. Evolution in finegrained environments. II. Habitat selection as a homeostatic mechanism. Theor. Popul. Biol. 19: 326-340.
120. Thomas, Y., M.-T. Bethenod, L. Pelozuelo, B. Frérot, and D. Bourguet. 2003. Genetic isolation between two sympatric host races of the European corn borer moth, Ostrinia nubilalis Hübner. I. Sex pheromone, moth emergence timing, and parasitism. Evolution 57: 261-273.
121. Thompson, J.N. 1988a. Evolutionary ecology of the relationship between oviposition preferences and performance of offspring in phytophagous insects. Entomol. Exp. Appl. 47: 3-14.
122. Thompson, J.N. 1988b. Evolutionary genetics of oviposition preference in swallowtail butterflies. Evolution 42: 1223-1234.
123. Thompson, J.N. 1996. Trade-offs in larval performance on normal and novel hosts. Entomol. Exp. Appl. 80: 133-139.
124. Thompson, J.N., W. Wehling, and R. Podolsky. 1990. Evolutionary genetics of host use in swallowtail butterflies. Nature 344: 148-153.
125. Thorpe, W.H. 1930. Biological races in insects and allied groups. Biol. Rev. 5: 177-212.
126. Tilmon, K.J., T.K. Wood, and J.D. Pesek. 1998. Genetic variation in performance traits and the potential for host shifts in Enchenopa treehoppers (Homoptera: Membracidae). Ann. Entomol. Soc. Am. 91: 397-403.
127. Ueno, H.,N. Fujiyama, K. Irie, Y. Sato, and H. Katakura. 1999. Genetic basis for established and novel host plant use in a herbivorous ladybird beetle, Epilachna vigintioctomaculata. Entomol. Exp. Appl. 72: 1-6.
128. Ueno, H.,N. Fujiyama, I. Yao, Y. Sato, and H. Katakura. 2003. Genetic architecture for normal and novel host-plant use in two local populations of the herbivorous ladybird beetle, Epilachna pustulosa. J. Evol. Biol. 16: 883-895.
129. van Drongelen, W. 1979. Contact chemoreception of host plant specific chemicals in larvae of various Yponomeuta species (Lepidoptera). J. Comp. Physiol. 134: 265-279.
130. Via, S. 1984. The quantitative genetics of polyphagy in an insect herbivore. II. Genetic correlations in larval performance within and among host plants. Evolution 38: 896-905.
131. Via, S. 1991. The genetic structure of host plant adaptation in a spatial patchwork: demographic variability among reciprocally transplanted pea aphid clones. Evolution 45: 827-852.
132. Via, S. 2001. Sympatric speciation in animals: the ugly duckling grows up. Trends Ecol. Evol. 16: 381-390.
133. Via, S., and D.J. Hawthorne. 2002. The genetic architecture of ecological specialization: correlated gene effects on host use and habitat choice in pea aphids. Am. Nat. 159: S76-S88.
134. Walsh, B.D. 1864. On phytophagic varieties and phytophagic species. Proc. Entomol. Soc. Phila. 3: 403-430.
135. Wasserman, S.S., and D.J. Futuyma. 1981. Evolution of host plant utilization in laboratory populations of the southern cowpea weevil, Callosobruchus maculatus Fabricius (Coleoptera: Bruchidae). Evolution 35: 605-617.
136. Waxman, D., and S. Gavrilets. 2005. 20 questions on adaptive dynamics. J. Evol. Biol. 18: 1139-1154.
137. Weber, G. 1985. Genetic variability in host plant adaptation of the green peach aphid, Myzus persicae. Entomol. Exp. Appl. 38: 49-56.
138. Whitlock, M. C. 1996. The Red Queen beats the jack-of-all-trades: the limitations on the evolution of phenotypic plasticity and niche breadth. Am. Nat. 148: S65-S77.
139. Wiklund, C. 1981. Generalist vs. specialist oviposition behaviour in Papilio machaon (Lepidoptera) and functional aspects on the hierarchy of oviposition preferences. Oikos 36: 163-170.
140. Williams, G.C. 1966. Adaptation and natural selection: a critique of some current evolutionary thought. Princeton University Press, Princeton, NJ.
141. Wood, T.K. 1993. Speciation of the Enchenopa binotata complex (Insecta: Homoptera: Membracidae), pp. 299-317. In D. R. Lees and D. Edwards (eds.), Evolutionary patterns and processes. Academic Press, London.
142. Wood, T.K., and M. C. Keese. 1990. Host-plant-induced assortative mating in Enchenopa treehoppers. Evolution 44: 619-628.
143. Zangerl, A.R., and M. R. Berenbaum. 2003. Phenotype matching in wild parsnip and parsnip webworms: causes and consequences. Evolution 57: 806-815.