Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Fall Fund Drive


Genus Tomarus - Carrot Beetles

bluish-black beetle - Tomarus relictus ID please - Tomarus gibbosus Tomarus subtropicus Dung Beetle? - Tomarus relictus Unknown digging beetle - Tomarus gibbosus or neglectus or ? - Tomarus Tomarus relictus Tomarus relictus
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 Dynastinae (Rhinoceros Beetles)
Tribe Pentodontini
Genus Tomarus (Carrot Beetles)
Synonyms and other taxonomic changes
Ligyrus, Bothynus
Explanation of Names
Tomarus Erichson 1847
8 spp. in our area, 25 spp. total(1)
11-23 mm
Most species have apical pronotal pit and tubercle(at least faint)
Canada to the Neotropics; in our area, more common in the east
T. cuniculus (Fabricius 1801) FL
T. gibbosus (Degeer 1774) coast to coast in the US north to ON & AB
T. nasutus (Burmeister 1847) TX to Costa Rica
T. neglectus (LeConte 1847) se. US
T. relictus (Say 1825) NB-MB south to NC-TX
T. sallaei (Bates 1888) TX to Costa Rica
T. selanderi (Cartwright 1959) AZ to El Salvador
T. subtropicus (Blatchley 1922) se. US coastal plain
Larvae are root feeders
Print References
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.Scarab beetles (Coleoptera: Scarabaeidae) of South Carolina
Phillip J. Harpootlian. 2001. Clemson University Public Service.
3.Scarab beetles of the genus Bothynus in the United States (Coleoptera: Scarabaeidae)
O. Cartwright. 1959. Proceedings of the United States National Museum, 108(3409): 515-541.