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Species Exema dispar

Case-bearer - Exema dispar Warty Leaf Beetles  - Exema dispar - male - female Warty Leaf Beetle - Exema dispar - male Warty Leaf Beetle - Exema dispar - male Warty Leaf Beetle - Exema dispar Exema? - Exema dispar Warty leaf beetle - Exema dispar Unidentified Beetle  - Exema dispar
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Longhorn and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Cryptocephalinae (Case-bearing Leaf Beetles)
Tribe Fulcidacini (Warty Leaf Beetles)
Genus Exema
Species dispar (Exema dispar)
Explanation of Names
Exema dispar Lacordaire 1848
9 spp. n. of Mex. (1)
Length 2.5-2.8 mm (2)
large areas of yellow on the head and anterior pronotum.

Det. E. G. Riley, 2010
e US (TX-FL-ME-SD) / Ont. / Mex. (3)
mostly Apr-July (2)(BG data)
Ambrosia trifida, Ambrosia psilostachya, Helianthus tuberosus, Helianthus hirsutus, Eupatorium drummondii, Eupatorium maculatum, and Eupatorium alba. Also recorded from Chrysanthemum sp., Silphium, "artichoke", Achillea, Cercis occidentalis, strawberry, Salix sp., Verbesina, Quercus virginiana, Bidens pilosa, and cabbage. (4) Asteraceae (5)
Print References
Karren, J. 1966. A revision of the genus Exema of America north of Mexico (Chrysomelidae, Coleoptera). University of Kansas Science Bulletin 46: 647–695. (4)
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2.The leaf beetles of Alabama
Edward Balsbaugh and Kirby Hays. 1972. Agricultural Experiment Station, Auburn University.
3.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.
4.A revision of the genus Exema of America, north of Mexico (Chrysomelidae, Coleoptera)
J.B. Karren. 1966. University of Kansas Science Bulletin, 46:647-695.
5.Host plants of leaf beetle species occurring in the United States and Canada
Clark et al. 2004. Coleopterists Society, Special Publication no. 2, 476 pp.