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

Genus Exema

Representative Images

Warty Leaf Beetle - Exema tiny beetle - Exema Exema? - Exema canadensis Warty Leaf Beetle 1 - Exema Warty Leaf Beetle - Exema Small strange beetle - Exema small worm-looking critter that appears to burrow upright on joe-pye weed leaf - Exema warty leaf beetle - Exema

Classification

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 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 (CA to CO‒TX) into Mexico
dispar Lacordaire
elliptica Karren
gibber (Fabricius) e.US (PA‒FL‒TX); often on oaks
mormona Karren
neglecta Blatchley

Size

2‒3.5 mm(2)

Identification

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 19 July, 2024 - 8:00am

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