LITERATURE CITED

ACKERY, P. R. AND R. L. SMITES. 1976. An illustrated list of the type specimens of the Heliconiinae (Lepidoptera: Nymphalidae) in the British Museum (Natural History). Bull. British Museum (Natural History) Entomology. Vol. 32 No. 5. London.

BARD, J. B. L. AND V. FRENCH. 1984. Butterfly wing patterns: How good a determining mechanism is the simple diffusion of a single morphogen? J. Embryol. Exp. Morph. 84:255-274.

BENSON, W. W. 1972. Natural selection for Müllerian mimicry in Heliconius erato in Costa Rica. Science. 176:936-939.

BLAIR, S. S. AND A. RALSTON. 1997. Smoothened-mediated Hedgehog signalling is required for the maintenance of the anterior-posterior lineage restriction in the developing wing of Drosophila. Development 124:4053-4063.

BROWER, A. V. Z. 1994a. Rapid morphological radiation and convergence among races of the butterfly Heliconius erato inferred from patterns of mitochondrial DNA evolution. Proc. Natl. Acad. Sci. USA 91:6491-6495.

--------. 1994b. Phylogeny of Heliconius butterflies inferred from mitochondrial DNA sequences (Lepidoptera: Nymphalidae). Molecular Phylogenetics Evolution 3:159-174.

--------. 1996a. A new mimetic species of Heliconius (Lepidoptera: Nymphalidae), from southeastern Colombia, revealed by cladistic analysis of mitochondrial DNA sequences. Zool. J. Linnean Society 116:317-332.

--------. 1996b. Parallel race formation and the evolution of mimicry in Heliconius butterflies: A phylogenetic hypothesis from mitochondrial DNA sequences. Evolution 50:195-221.

------- AND M. G. EAGAN. 1997. Cladistic analysis of Heliconius butterflies and relatives (Nymphalidae:Heliconiiti): a revised phylogenetic position for Eueides based on sequences from mtDNA and a nuclear gene. Proc. Roy. Entomol. Soc. Lond. B264: 969-977.

BROWN, K. S. JR. 1981. The biology of Heliconius and related genera. Ann. Rev. Entomol. 26:427-56.

-------- AND W. W. BENSON. 1975. Adaptive polymorphism associated with multiple Müllerian mimicry in Heliconius numata (Lepid.: Nymph.). Biotropica 6:205-228.

-------- AND F. FERNANDES YEPEZ. 1984. Los Heliconiini (Lepidoptera, Nymphalidae) de Venezuela. Boletín de Entomogía Venezolana N.S. 3(4): 29-76.

-------- P.M SHEPPARD, AND J.R.G. TURNER. 1974 Quaternary refugia in South America: evidence from race formation in Heliconius butterflies. Proc. Roy. Soc. Lond. B. 187:369-378.

--------, T. C. EMMEL, P. J. ELIAZAR, AND E. SUOMALAINEN. 1992. Evolutionary patterns in chromosome numbers in neotropical Lepidoptera. Hereditas 117:109-125.

CHAI, P. 1990. Relationships between visual characteristics of rainforest butterflies and responses of a specialized insectivorous bird. Pp 31-60 in M. Wicksten (compiler): Adaptive coloration in invertebrates. Symposium of the American Society of Zoologists. Texas A&M University Sea Grant College Program. TAMU-SG-90-106. College Station, Texas.

COYNE, J. A., N. H. BARTON, AND M. TURELLI. 1997. Perspective: A critique of Sewall Wright's shifting balance theory of evolution. Evolution 51:643-671.

DEINERT, E. I., J. T. LONGINO, AND L. E. GILBERT. 1994. Mate competition in butterflies. Nature 370:23-24.

ENGLER, H. 1998. Chemical ecology of passionvine butterflies: sequestration of cyanogens and patterns of host-plant specialization. Ph. D. Dissertation. The University of Texas at Austin.

FRENCH, V. AND A. MONTEIRO. 1994. Butterfly wings: Colour patterns and new gene expression patterns. BioEssays 16:789-792.

FFRENCH -CONSTANT, R. AND P.B. KOCH. 2000. Mimicry and melanism in swallowtail butterflies: towards a molecular understanding. Pp. This Volume.

GARCIA-BELLIDO, A. 1977. Homeotic and atavic mutations in insects. Amer. Zool. 17:613-629.

GALANT, R., J.B. SKEATH, S. PADDOCK, D. L. LEWIS, AND S. B. CARROLL. 1998 Expression pattern of a butterfly achaete-scute homologue reveals the homology of butterfly wing scales and insect sensory bristles. Current Biology 8:807-813.

GILBERT, L. E. 1972. Pollen feeding and the reproductive biology of Heliconius butterflies. Proc. Nat. Acad. Sci. USA 69:1403-1707.

--------. 1983. Coevolution and mimicry. Pp 263-281 in D. J. Fututma and M. Slatkin, eds. Coevolution. Sinauer Associates Inc., Sunderland, Mass.

--------. 1984. The biology of butterfly communities. Pp. 41-54 in R. Vane-Wright and P. Ackery, eds. The Biology of Butterflies. Academic Press, New York.

--------. 1991. Biodiversity of a Central American Heliconius community: pattern, process and problems. Pp 403-427 in P. W. Price, T. H. Lewinsohn, G. W. Fernandes and W.W. Benson, eds. Plant-Animal Interactions: Evolutionary Ecology in Tropical and Temperate Regions. Wiley, New York.

--------. XXXX. Spontaneous and experimentally induced homeoses in Heliconius indicate when wing patterns are determined. In preparation.

--------, H. S. FORREST, T. D. SCHULTZ, AND D. J. HARVEY. 1988. Correlations of ultrastructure and pigmentation suggest how genes control development of wing scales in Heliconius butterflies. J. Res. Lep. 26:141-160.

HAFERNIK, J. E. 1982. Phenetics and ecology of hybridization in buckeye butterflies. Univ. of Calif. Publ. in Entomology 96:109pp.

JIGGINS, C.D. AND W. O. MCMILLAN 1997. The genetic basis of an adaptive radiation: warning colour in two Heliconius species. Proceedings of the Royal Society B. 264: 1167-1175.

JIGGINS, C. D., W. O. MCMILLAN, W. NEUKIRCHEN, AND J. MALLET. 1996. What can hybrid zones tell us about speciation? The case of Heliconius erato and H. himera (Lepidoptera: Nymphalidae). Biol. J. Linnean Soc. 59: 221-242.

JIGGINS, C. D., W. O. MCMILLAN, AND J. MALLET. 1997. Host plant adaptation has not played a role in the recent speciation of Heliconius himera and Heliconius erato (Lepidoptera: Nymphalidae). Ecological Entomology 22: 361-365.

JORON, M. AND J. L. B. MALLET. 1998. Diversity in mimicry: paradox or paradigm? TREE 13: 461-466.

KAPAN, D. D. 1998. Divergent natural selection and Müllerian mimicry in polymorphic Heliconius cydno (Lepidoptera: Nymphalidae). Ph.D. Dissertation. University of British Columbia.

KAUFFMAN, S. A. 1981. Pattern formation in the Drosophila embryo. Phil. Trans. R. Ent. Soc. Lond. B 295:567-594.

--------, R. M. SHYMKO, AND K. TRABERT. 1978. Control of sequential compartment formation in Drosophila. Science 199:259-270.

KEYS, D. N, D. L. LEWIS, J. E. SELEGUE, B. J. PEARSON, L. V. GOODRICH, R. L. JOHNSON, J. GATES, M. P. JOHNSON, AND S. B. CARROLL. 1999. Recruitment of a hedgehog regulatory circuit in butterfly eyespot evolution. Science 283:532-534.

KOCH, P. B. 1993. Production of [14 C]-Labeled 3-Hydroxy-L-Kynurenine in a butterfly, Heliconius charitonia L., and precursor studies in butterfly wing ommatins. Pigment Cell Res. 6:85-90.

KOCH, P. B., D. N KEYS, T. ROCHELEAU, K. ARONSTEIN, M. BLACKBURN, S. B. CARROLL, AND R. H. ffRENCH-CONSTANT. 1998. Regulation of Dopa decarboxylase expression during color pattern formation in wild-type and melanic tiger swallowtails. Development 125:2303-2313.

LAWRENCE, P. A. AND G. MORATA. 1996. Compartments in the wing of Drosophila: A study of the engraile gene. Dev. Biol. 50:321-337.

LEE, C. S., B. A. McCOOL, J. L. MOORE, D. M. HILLIS, AND L. E. GILBERT. 1992. Phylogenic study of heliconiine butterflies based on morphology and restriction analysis of ribosomal genes. Zool. J. Linnean Soc. 106:17-31.

LEWONTIN, R. C. AND L. C. BIRCH. 1966. Hybridization as a new source of variation for adaptation to new environments. Evolution 20:315-336.

LINARES, M. 1989. Adaptive microevolution through hybridization and biotic destruction in the neotropics. Ph.D. Thesis. University of Texas, Austin.

---------. 1996. The genetics of the mimetic coloration in the butterfly Heliconius cydno weymeri. J. Heredity 87:142-149.

---------. 1997a. The ghost of mimicry past: laboratory reconstitution of an extinct butterfly "race". Heredity (London) 78: 628-635.

---------. 1997b. Origin of Neotropical mimetic biodiversity from a three-way hybrid zone of Heliconius butterflies. Pp 93-108 in H. Ulrich, ed. Tropical biodiversity and systematics. Proceedings of the International Symposium on Biodiversity and Systematics in Tropical Ecosystems, Bonn, 1994. Zoologishungsinstitut und Museum Alexander Koenig, Bonn.

MALLET, J. 1986. Hybrid zones of Heliconius butterflies in Panama and the stability and movement of warning colour clines. Heredity 56:191-202.

MALLET, J. 1993. Speciation, radiation, and color pattern evolution in Heliconius butterflies: Evidence from hybrid zones. Pp 226-260 in R.G. Harrison, ed. Hybrid zones and the evolutionary process, New York, Oxford University Press.

--------- AND N. H. BARTON. 1989. Strong natural selection in a warning color hybrid zone. Evolution 43:421-431.

MALLET, J., N. H. BARTON, G.LAMAS, J. SANTISTEBAN, M. MUEDAS, AND H. EELEY. 1990. Estimates of selection and gene flow from measures of cline width and linkage disequilibrium in Heliconius hybrid zones. Genetics 124:921-936.

---------, W. O. MCMILLIAN, AND C. D. JIGGINS. 1998. Mimicry and warning color at the boundary between races and species. Pp 390-403 in S. Berlocher and D. Howard, eds. Endless forms: Species and speciation. Oxford University Press, Oxford.

--------- AND L.E. GILBERT. 1995. Why are there so many mimicry rings? Correlations between habitat, behavior and mimicry in Heliconius butterflies. Biol. J. Linnean Society 55:159-180.

----------, W. NEUKIRCHEN, AND M. LINARES. 1999. The nature of species: hybridization in Heliconius butterflies. Available by Internet pre-publication. http://abacus.gene.ucl.ac.uk/jim/Hyb/helichyb.html

MAYNARD SMITH, JOHN. 1983. The genetics of stasis and punctuuation. Ann. Rev. Genet. 17: 11-25.

MONROE, E. G. 1983. Wing patterns in the Lepidoptera. Canad. Ent. 115:103-112.

NIJHOUT, H. F. 1980a. Pattern formation on lepidopteran wings: determination of an eyespot. Developmental Biol. 80:267-274.

--------. 1980b. Ontogeny of the color pattern on the wings of Precis coenia (Lepidoptera: Nymphalidae). Developmental Biol. 80:275-288.

---------. 1984. Colour pattern modification by cold shock in Lepidoptera. J. Embryol. Exp. Morph. 81:287-305.

--------. 1991. The development and evolution of butterfly wing patterns. Smithsonian Institution Press, Washington, DC.

--------, G. A. WRAY, AND L. E. GILBERT. 1990. An analysis of the phenotypic effects of certain color pattern genes in Heliconius (Lepidoptera: Nymphalidae). Biol. J. Linnean Soc. 40:357-372.

NÖTHIGER, R. 1981. Clonal analysis in imaginal discs. Pp. 109-114 in P.A. Lawrence, ed. Insect Development. Symposium of the Royal Entomological Society of London VIII. Blackwell, Oxford.

O'BROCHTA, D. A. AND P. J. BRYANT. 1985. A zone of non-proliferating cells at a lineage restriction boundary in Drosophila. Nature 313:138-141.

PENZ, C. M. 1999. Higher level phylogeny for the passion-vine butterflies (Nymphalidae, Heliconiinae) based on early stage and adult morphology. Zool. J. Linn. Soc. 127: 277-344.

PLATT, A.P. 1983. Evolution of North American Admiral Butterflies (Limenitis: Nymphalidae). Bull. Ent.. Soc. Amer. 29: 11-22.

SCHAUS, W. 1913. New species of Rhopalocera from Costa Rica. Proc. Zool. Soc. Lond. XXV:339-367.

SHEPPARD, P.M. 1962. Some aspects of the geography, genetics, and taxonomy of a butterfly. Publs. Syst. Ass. 4: 135-152.

SHEPPARD, P. M., J. R. G. TURNER, K. S. BROWN, W. W. BENSON, AND M. C. SINGER. 1985. Genetics and the evolution of Müllerian mimicry in Heliconius butterflies. Philosophical Transactions of the Royal Society of London B Biological Sciences 308:433-613.

SIBATANI, A. 1980. Wing homeosis in Lepidoptera: a survey. Developmental Biol. 79:1-18.

SMITH, J. M. 1983. The genetics of stasis and punctuation. Ann. Rev. Genet. 17:11-25.

TEMPLETON, A. R. AND L. E. GILBERT. 1985. Population genetics and the coevolution of mutualism. Pp 128-144 in D. H. Boucher, ed. The Biology of Mutualisms. Croom Helm, London, England.

TOMLINSON, A. AND D.F.READY. 1986. Sevenless: A cell-specific homeotic mutation of the Drosophila eye. Science 231:400-403.

TURNER, J.R.G.. 1981. Adaptation and evolution in Heliconius: A defense of neodarwinism. A. Rev. Ecol. Syst. 12:99-121.

TURNER, J. R. G. 1983. Mimetic butterflies and punctuated equilibria: some old light on a new paradigm. Biol. J. Linn. Soc. 20:277-300.

TURNER, J. R. G. 1984. Mimicry: The Palatability Spectrum and its Consequences. Pp 141-161 in R. Vane-Wright and P. Ackery, eds. The biology of butterflies. XI Symposium of the Royal Entomological Society of London, Academic Press, New York.

--------, M. S. JOHNSON, AND W. F. EANES 1979. Contrasted modes of evolution in the same genome: allozymes and adaptive change in Heliconius. Proc. Natl. Acad. Sci. 76:1924-1928.

-------- AND J. L. B. MALLET. 1996. Did forest islands drive the diversity of warningly coloured butterflies? Biotic drift and the shifting balance. Phil. Trans. R. Soc. Lond. B. 835-845.

WAAGE, J. K., J. T. SMILEY, AND L. E. GILBERT. 1981. The Passiflora problem in Hawaii: prospects and problems of controlling the forest weed P. mollissima (Passifloraceae) with heliconiine butterflies. Entomophaga 26:275-284.