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

Calendar
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


TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Rhyssemus

Scarab - Rhyssemus puncticollis Rhyssemus Rhyssemus Rhyssemus Rhyssemus Rhyssemus germanus Rhyssemus germanus Rhyssemus germanus
Classification
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 Aphodiinae (Aphodiine Dung Beetles)
Tribe Psammodiini
Genus Rhyssemus
Explanation of Names
Rhyssemus Mulsant 1842
Numbers
6 described spp. in our area [+one undescribed sp. in TX(1)], ca. 200 worldwide(2)
Size
2.7-4.2 mm(2)
Identification
Pronotum with 4 grooves and 5 variably developed ridges; laterally and basally with fringe of scale-like setae(2)
key to spp. in Gordon & Cartwright (1980)(3)
Range
Nearly cosmopolitan (absent in S. America); widespread in our area, 2 spp. reach Canada (2)
Habitat
Sandy areas, adults on/in the ground; sometimes come to lights(2)
Life Cycle
asso. w/ fire ant nests in Texas (4)
Works Cited
1.An annotated checklist of the Scarabaeoidea of Texas.
Edward G. Riley & Charles S. Wolfe. 2003. Southwestern Entomologist, Supplement. 37 pp.
2.Skelley P.E. (2008) Aphodiinae. In: Generic guide to New World scarab beetles
3.The Western Hemisphere species of Rhyssemus and Trichiorhyssemus (Coleoptera: Scarabaeidae)
Gordon R.D., Cartwright O.L. 1980. Smithsonian Contributions to Zoology 317: 1-29.
4.Beetles of the genera Myrmecaphodius, Rhyssemus, and Blapstinus in Texas fire ant nests.
Summerlin, J.W. 1978. Southwestern Entomologist 3(1): 27-29.