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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles (Polyphaga) » Series Cucujiformia » Longhorn and Leaf Beetles (Chrysomeloidea) » Leaf Beetles (Chrysomelidae) » Case-bearing Leaf Beetles (Cryptocephalinae) » Warty Leaf Beetles (Fulcidacini) » Exema

Genus Exema

Classification · Explanation of Names · Numbers · Size · Identification · Range · Food · Works Cited
Goldenrod fauna - Exema Warty Leaf Beetle - Exema Exema Warty Leaf Beetle - Exema canadensis - female small worm-looking critter that appears to burrow upright on joe-pye weed leaf - Exema Fulcidacini - Exema Exema? - Exema Exema? - Exema
Classification
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
Explanation of Names
Exema Lacordaire 1848
Numbers
9 spp. in our area(1)(2):
byersi Karren (NY-VA-AL to MI-KS-TX-AZ)
canadensis Pierce
conspersa (Mannerheim)
deserti Pierce sw. US (CO-NV to TX-CA) into Mexico
dispar Lacordaire
elliptica Karren
gibber (Fabricius) s. US (PA-FL-TX); often on oaks
mormona Karren
neglecta Blatchley
Size
2-3.5 mm (2)
Identification
Resemble caterpillar/mouse droppings.
Key to spp. in (2)
Range
across N. America(1)
Food
Most of our spp. associated with Asteraceae(1)
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.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.
Contributed by tom murray on 21 March, 2006 - 4:47pm
Additional contributions by Bbarnd, Mike Quinn, Ben Coulter, v belov, Tyler Hedlund
Last updated 29 January, 2022 - 4:21pm

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