Copyright © 2012 Cynthia F. Scholl et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

1. A. T. Peterson, J. Soberón, and V. Sánchez-Cordero, “Conservatism of ecological niches in evolutionary time,” Science, vol. 285, no. 5431, pp. 1265–1267, 1999. View at Publisher · View at Google Scholar · View at Scopus
2. A. Prinzing, W. Durka, S. Klotz, and R. Brandl, “The niche of higher plants: evidence for phylogenetic conservatism,” Proceedings of the Royal Society B: Biological Sciences, vol. 268, no. 1483, pp. 2383–2389, 2001. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
3. K. H. Kozak and J. J. Wiens, “Does niche conservatism promote speciation? A case study in North American salamanders,” Evolution, vol. 60, no. 12, pp. 2604–2621, 2006. View at Publisher · View at Google Scholar · View at Scopus
4. U. Dieckmann and M. Doebeli, “On the origin of species by sympatric speciation,” Nature, vol. 400, no. 6742, pp. 354–357, 1999. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
5. D. Schluter, “Ecology and the origin of species,” Trends in Ecology and Evolution, vol. 16, no. 7, pp. 372–380, 2001. View at Publisher · View at Google Scholar · View at Scopus
6. J. Ramsey, H. D. Bradshaw, and D. W. Schemske, “Components of reproductive isolation between the monkeyflowers Mimulus lewisii and M. cardinalis (Phrymaceae),” Evolution, vol. 57, no. 7, pp. 1520–1534, 2003. View at Scopus
7. D. J. Funk, P. Nosil, and W. J. Etges, “Ecological divergence exhibits consistently positive associations with reproductive isolation across disparate taxa,” Proceedings of the National Academy of Sciences of the United States of America, vol. 103, no. 9, pp. 3209–3213, 2006. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
8. K. W. Matsubayashi, I. Ohshima, and P. Nosil, “Ecological speciation in phytophagous insects,” Entomologia Experimentalis et Applicata, vol. 134, no. 1, pp. 1–27, 2010. View at Publisher · View at Google Scholar · View at Scopus
9. M. Drès and J. Mallet, “Host races in plant-feeding insects and their importance in sympatric speciation,” Philosophical Transactions of the Royal Society B: Biological Sciences, vol. 357, no. 1420, pp. 471–492, 2002. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
10. P. Nosil, “Divergent host plant adaptation and reproductive isolation between ecotypes of Timema cristinae walking sticks,” American Naturalist, vol. 169, no. 2, pp. 151–162, 2007. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
11. N. H. Martin and J. H. Willis, “Ecological divergence associated with mating system causes nearly complete reproductive isolation between sympatric Mimulus species,” Evolution, vol. 61, no. 1, pp. 68–82, 2007. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
12. C. Wiklund, “The evolutionary relationship between adult oviposition preferences and larval host plant range in Papilio machaon L,” Oecologia, vol. 18, no. 3, pp. 185–197, 1975. View at Publisher · View at Google Scholar · View at Scopus
13. S. S. Wasserman and D. J. Futuyma, “Evolution of host plant utilization in laboratory populations of the Southern cowpea weevil, Callosobruchus maculatus fabricius (Coleoptera: Bruchidae),” Evolution, vol. 35, no. 4, pp. 605–617, 1981.
14. T. P. Craig, J. D. Horner, and J. K. Itami, “Hybridization studies on the host races of Eurosta Solidaginis: implications for sympatric speciation,” Evolution, vol. 51, no. 5, pp. 1552–1560, 1997. View at Scopus
15. P. Nosil, L. J. Harmon, and O. Seehausen, “Ecological explanations for (incomplete) speciation,” Trends in Ecology and Evolution, vol. 24, no. 3, pp. 145–156, 2009. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
16. J. A. Fordyce, C. C. Nice, M. L. Forister, and A. M. Shapiro, “The significance of wing pattern diversity in the Lycaenidae: mate discrimination by two recently diverged species,” Journal of Evolutionary Biology, vol. 15, no. 5, pp. 871–879, 2002. View at Publisher · View at Google Scholar · View at Scopus
17. C. C. Nice, J. A. Fordyce, A. M. Shapiro, and R. Ffrench-Constant, “Lack of evidence for reproductive isolation among ecologically specialised lycaenid butterflies,” Ecological Entomology, vol. 27, no. 6, pp. 702–712, 2002. View at Publisher · View at Google Scholar · View at Scopus
18. L. K. Lucas, J. A. Fordyce, and C. C. Nice, “Patterns of genitalic morphology around suture zones in North American Lycaeides (Lepidoptera: Lycaenidae): implications for taxonomy and historical biogeography,” Annals of the Entomological Society of America, vol. 101, no. 1, pp. 172–180, 2008. View at Scopus
19. M. L. Forister, C. C. Nice, J. A. Fordyce, and Z. Gompert, “Host range evolution is not driven by the optimization of larval performance: the case of Lycaeides melissa (Lepidoptera: Lycaenidae) and the colonization of alfalfa,” Oecologia, vol. 160, no. 3, pp. 551–561, 2009. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
20. Z. Gompert, C. C. Nice, J. A. Fordyce, M. L. Forister, and A. M. Shapiro, “Identifying units for conservation using molecular systematics: the cautionary tale of the Karner blue butterfly,” Molecular Ecology, vol. 15, no. 7, pp. 1759–1768, 2006. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
21. Z. Gompert, L. K. Lucas, J. A. Fordyce, M. L. Forister, and C. C. Nice, “Secondary contact between Lycaeides idas and L. melissa in the Rocky Mountains: extensive admixture and a patchy hybrid zone,” Molecular Ecology, vol. 19, no. 15, pp. 3171–3192, 2010. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
22. Z. Gompert, J. A. Fordyce, M. L. Forister, A. M. Shapiro, and C. C. Nice, “Homoploid hybrid speciation in an extreme habitat,” Science, vol. 314, no. 5807, pp. 1923–1925, 2006. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
23. J. A. Fordyce and C. C. Nice, “Variation in butterfly egg adhesion: adaptation to local host plant senescence characteristics?” Ecology Letters, vol. 6, no. 1, pp. 23–27, 2003. View at Publisher · View at Google Scholar · View at Scopus
24. J. Jaenike, “Host specialization in phytophagous insects,” Annual Review of Ecology and Systematics, vol. 21, no. 1, pp. 243–273, 1990. View at Scopus
25. Z. Gompert, J. A. Fordyce, M. L. Forister, and C. C. Nice, “Recent colonization and radiation of North American Lycaeides (Plebejus) inferred from mtDNA,” Molecular Phylogenetics and Evolution, vol. 48, no. 2, pp. 481–490, 2008. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
26. J. P. Klein and M. L. Moeschberger, Survival Analysis: Techniques for Censored and Truncated Data, Springer, New York, NY, USA, 2nd edition, 2003.
27. T. J. Kawecki and D. Ebert, “Conceptual issues in local adaptation,” Ecology Letters, vol. 7, no. 12, pp. 1225–1241, 2004. View at Publisher · View at Google Scholar · View at Scopus
28. S. Gripenberg, P. J. Mayhew, M. Parnell, and T. Roslin, “A meta-analysis of preference-performance relationships in phytophagous insects,” Ecology Letters, vol. 13, no. 3, pp. 383–393, 2010. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
29. M. L. Forister, A. G. Ehmer, and D. J. Futuyma, “The genetic architecture of a niche: variation and covariation in host use traits in the Colorado potato beetle,” Journal of Evolutionary Biology, vol. 20, no. 3, pp. 985–996, 2007. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
30. P. Nosil and C. P. Sandoval, “Ecological niche dimensionality and the evolutionary diversification of stick insects,” PLoS ONE, vol. 3, no. 4, Article ID e1907, 2008. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
31. P. Nosil, T. H. Vines, and D. J. Funk, “Perspective: reproductive isolation caused by natural selection against immigrants from divergent habitats,” Evolution, vol. 59, no. 4, pp. 705–719, 2005. View at Scopus
32. L. Somme, “Adaptations of terrestrial arthropods to the alpine environment,” Biological Reviews: Cambridge Philosophical Society, vol. 64, no. 4, pp. 367–407, 1989. View at Scopus
33. M. L. Forister, Z. Gompert, C. C. Nice, G. W. Forister, and J. A. Fordyce, “Ant association facilitates the evolution of diet breadth in a lycaenid butterfly,” Proceedings of the Royal Society B: Biological Sciences, vol. 278, no. 1711, pp. 1539–1547, 2011. View at Publisher · View at Google Scholar · View at PubMed
34. H. A. Orr, “Adaptation and the cost of complexity,” Evolution, vol. 54, no. 1, pp. 13–20, 2000. View at Scopus
35. S. Gavrilets, Fitness landscapes and the origin of species, Princeton University Press, Princeton, NJ, USA, 2004.
36. M. L. Forister, “Independent inheritance of preference and performance in hybrids between host races of Mitoura butterflies (Lepidoptera: Lycaenidae),” Evolution, vol. 59, no. 5, pp. 1149–1155, 2005. View at Scopus
37. G. Lu and L. Bernatchez, “Correlated trophic specialization and genetic divergence in sympatric lake whitefish ecotypes (Coregonus clupeaformis): support for the ecological speciation hypothesis,” Evolution, vol. 53, no. 5, pp. 1491–1505, 1999. View at Scopus