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Species Phydanis bicolor

Phydanis bicolor Horn - Phydanis bicolor - male Phydanis bicolor Horn - Phydanis bicolor - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Longhorn and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Galerucinae (Skeletonizing Leaf Beetles and Flea Beetles)
Tribe Alticini (Flea Beetles)
No Taxon (Phydanis Genus Group)
Genus Phydanis
Species bicolor (Phydanis bicolor)
Other Common Names
Texas Snakeherb Flea Beetle (TSFB)
Explanation of Names
Phydanis bicolor Horn 1889
1 sp. n. of Mex. (1)
Males have distinctive antennae

Det. E. G. Riley, 2009
w., c., & n. TX / Mex. - Map (1)(2)
Snakeherb - Dyschoriste linearis (Acanthaceae) (Riley & Quinn 2010)
Life Cycle
Larvae probably feed subterraneanly.
sp. remains very rare in collections (E.G. Riley, pers. comm. to MAQ, 2017)
Print References
Horn, G.H. 1889. A synopsis of the Halticini of boreal America. Transactions of the American. Entomological Society 16: 163-320.
Riley, E.G. & M.A. Quinn. 2010. Collection records and first adult host record for Phydanis biolor Horn (Coleoptera: Chrysomelidae: Galerucinae: Alticini), an uncommonly encountered Texas flea beetle. The Coleopterists Bulletin, 64(1): 100-101. (BioOne)
Internet References
Type - MCZ, Harvard
Spmn and Host Photos - Mike Quinn, 2009
Works Cited
1.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.
2.Global Biodiversity Information Facility (GBIF)