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For Insects, Spiders & Their Kin
For the United States & Canada
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Subfamily Dynastinae - Rhinoceros Beetles

Beetle IMG_0224 - Tomarus subtropicus Triceratops Beetle - Phileurus truncatus Strategus aloeus - male Beetle_09132021_MP_6229_1 - Xyloryctes jamaicensis Scarab beetle - Cyclocephala melanocephala Arizona Beetle  - Cyclocephala melanocephala Male, Orizabus ligyroides? - Orizabus ligyroides - male Male, Dynastes grantii - Dynastes grantii - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
Superfamily Scarabaeoidea
Family Scarabaeidae (Scarab Beetles)
Subfamily Dynastinae (Rhinoceros Beetles)
Explanation of Names
Dynastinae MacLeay 1819
>1,500 spp. in ~230 genera worldwide
see (1)
mandibles expanded, leaflike, usually visible from above, often notched/toothed • labrum hidden beneath clypeus • antennae with 9-10 segments, last three forming a small club • meso- & metatarsal claws simple, usually similar in size • metatibia with 2 prominent spurs
Cyclocephalini: unarmed, males typically with large front claws
Pentodontini: unarmed, black/brown, pronotum often with distinct apical depression, metatibial apex truncate
Oryctini: males armed, large
Phileurini: flattened, generally black, head often with horns/tubercles
Dynastini: large, sexual dimorphism obvious
Print References
Endrödi S. (1985) The Dynastinae of the World. Series Entomologica 28, W. Junk, Dordrecht. 800 pp., 46 plates
Works Cited
1.The Dynastine Scarab Beetles of the USA and Canada (Coleoptera: Scarabaeidae: Dynastinae)
Brett C. Ratcliffe & Ronald D. Cave. 2017. University of Nebraska State Museum, Vol 30, 298 pp.
2.Scarab beetles (Coleoptera: Scarabaeidae) of South Carolina
Phillip J. Harpootlian. 2001. Clemson University Public Service.