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

Information, insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 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


Genus Phileurus

Large Black Beetle - Phileurus truncatus - male Bat Faced Beetle. he he. - Phileurus truncatus Triceratops beetle - Phileurus truncatus Shiny black beetle with horns - Phileurus truncatus BioBlitz Bug 55 - Phileurus valgus Phileurus valgus - male Phileurus valgus (Olivier, 1789) - Phileurus valgus - male Phileurus truncatus, Triceratops Beetle ? - Phileurus truncatus
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 Phileurini
Genus Phileurus
Explanation of Names
Phileurus Latreille 1807
2 species in our area, 24 total (central US to southern South America) (1)
17-38 mm
Large, rather flattened. Pronotum has longitudinal groove, usually with a depression at the front and a tubercle there. Stridulating organs on the under-surface of the elytra, along side margins.
Ph. valgus (smaller, with front-most "horns" just tubercles) and Ph. truncatus
mostly Neotropical, with 2 spp. ranging into the US(2) (P. truncatus, se. US; P. valgus north to IN)(3)
under bark of rotting trees; adults come to lights(4)
Print References
Works Cited
1.A review of the species of Phileurus Latreille with quadridentate protibiae and description of a new species from Panama
Ratcliffe, B.C. 2011. The Coleopterists Bulletin, 65: 125-129.
2.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.
3.Scarab beetles (Coleoptera: Scarabaeidae) of South Carolina
Phillip J. Harpootlian. 2001. Clemson University Public Service.
4.Insects of the Texas Lost Pines (W.L. Moody, Jr., Natural History Series, No. 33)
Stephen W. Taber, Scott B. Fleenor. 2003. M University Press.