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

Upcoming Events

Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Genus Strategus - Ox Beetles

Can Anyone Give Me a Positive ID? - Strategus antaeus  Scarab  - Strategus antaeus Ground Beetle? - Strategus antaeus Beetle - Strategus antaeus Strategus splendens, antaeus comparison - Strategus - female S. antaeus (major vs minor form) - Strategus antaeus - male from scrub habitat - Strategus splendens Female, Strategus aloeus (L.)? - Strategus aloeus - female
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 Oryctini
Genus Strategus (Ox Beetles)
Explanation of Names
Strategus Kirby 1828
Strategus = 'general'
6 spp. in our area:
Strategus aloeus (Linnaeus 1758) - Southern US, GA-AZ
Strategus antaeus (Drury 1773) - Eastern US
Strategus cessus LeConte 1866 - AZ, NM
Strategus craigi Ratcliffe 1976 - AZ (Huachuca Mts., old record)(1) & Mexico
Strategus mormon Burmeister 1847 - South Central US
Strategus splendens (Palisot de Beauvois 1809) - Southeastern Coastal Plain
18-60 mm
Large scarabs, males with prominent horns, often in threes. Pronotum has large depression. Compare other large horned scarabs, especially Phileurus and Xyloryctes.

Key to eastern species(2)

1 Elytra with distinct, complete sutural striae .... 2
--Elytra without sutural striae, sometimes slightly impressed apically, but not complete; Horns slender; Widespread eastern US .......... S. antaeus (Drury)

2 Male with posterior pair horns absent; 25-36 mm, Southeastern coastal plain, Palm feeder ................... S. splendens (Beauvois)
--Male with posterior horns present - laterally compressed; 31-61 mm; so. US (GA-AZ) ........................ S. aloeus (Linnaeus)
Southern North America (esp. coastal plain of se US) to the neotropics
In captivity, adults take fruit, etc.
Life Cycle
One year life cycle, apparently. Larvae, in captivity, feed on rotting wood, vegetation.
Works Cited
1.A revision of the genus Strategus.
Ratcliffe, B.C. 1976. Bulletin of the University of Nebraska State Museum 10. 176 pp.
2.Scarab beetles (Coleoptera: Scarabaeidae) of South Carolina
Phillip J. Harpootlian. 2001. Clemson University Public Service.