Species of beetle
Onthophagus nigriventris dung beetle in the family Scarabaeidae .[ 1]
References
Further reading
Arnett, R.H. Jr.; Thomas, M. C.; Skelley, P. E.; Frank, J. H., eds. (2002). American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea . CRC Press. ISBN 978-0849309540 Hardy, A. (1991). "A catalog of the Coleoptera of America North of Mexico: Family Scarabaeidae, Subfamilies Rutelinae and Dynastinae" (PDF) . USDA Agriculture Handbook . LeConte, J.L. (1861). Classification of the Coleoptera of North America doi :10.5962/bhl.title.38459 ISBN 0665100558 Riley, Edward G.; Wolfe, Charles S. (2003). "An annotated checklist of the Scarabaeoidea of Texas" (PDF) . Southwestern Entomologist, Supplement . White, Richard E. (1998) [1983]. A Field Guide to the Beetles of North America (Peterson Field Guides) ISBN 0395910897
External links
