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Genus Ateuchus

Ateuchus texanus (Robinson) - Ateuchus texanus Ateuchus histeroides Ateuchus lecontei (Harold) - Ateuchus lecontei Ateuchus lecontei (Harold)  - Ateuchus lecontei Geotrupidae? - Ateuchus histeroides Scarab Beetle  - Ateuchus Dung beetle from pony dung - Ateuchus histeroides Beetle - Ateuchus
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)
Superfamily Scarabaeoidea (Scarab, Stag and Bess Beetles)
Family Scarabaeidae (Scarab Beetles)
Subfamily Scarabaeinae (Dung Beetles)
Tribe Ateuchini
Genus Ateuchus
Synonyms and other taxonomic changes
Choeridium LePeletier & Serville 1828
Explanation of Names
Ateuchus Weber 1801
4 spp. in our area(1)(2):
A. floridensis Génier 2000 - central FL sandhills
A. histeroides Weber 1801 - middle & e. NA
A. lecontei (Harold 1868) - coastal e. US
A. texanus (Robinson 1948) - so. TX

base of the pronotum does not descend below the level of the base of the elytra - A. lecontei
base of the pronotum descends below the level of the base of the elytra - A. histeroides, A. floridensis
Try to get good lateral shots of eastern members of this genus...
Works Cited
1.An annotated checklist of the Scarabaeoidea of Texas.
Edward G. Riley & Charles S. Wolfe. 2003. Southwestern Entomologist, Supplement. 37 pp.
2.A new North American Ateuchus Weber (Coleoptera: Scarabaeidae, Scarabaeinae)
Génier F. 2000. The Coleopterists Bulletin 54: 341-346.