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

Discussion of 2018 gathering

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

TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Platydema

in-branch larva/pupa - Platydema Beetle - Platydema excavatum - male Platydema inquilinum Darkling Beetle ? - Platydema subcostatum Platydema ellipticum Def. a Teneb.... - Platydema subcostatum Agyrtidae ? - Platydema excavatum unknown beetle - Platydema oregonense
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)
No Taxon (Series Cucujiformia)
Superfamily Tenebrionoidea (Fungus, Bark, Darkling and Blister Beetles)
Family Tenebrionidae (Darkling Beetles)
Subfamily Diaperinae
Tribe Diaperini
Subtribe Diaperina
Genus Platydema
Explanation of Names
Platydema LaPorte & Brullé 1831
Greek, 'flat breast'
Numbers
the largest genus of the tribe, with 20 spp. in our area and ~300 spp. worldwide(1)(2) (P. sexnotatum is a recent addition)
Size
our spp. 3.2-8 mm(2)
Identification
Keys/guides to spp. in(2)(3)(4)(5)*
*9 spp. illustrated in color, incl. P. americanum and P. teleops not included in(3)
Range
most diverse around the tropics, meagerly represented in the Holarctic Region(2)
Habitat
under bark, on fungi on rotting wood; come to lights
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.Revision of Diaperini of American north of Mexico with notes on extralimital species (Coleoptera: Tenebrionidae)
Triplehorn, C.A. 1965. Proceedings of the United States National Museum No. 3515, 117: 349-458.
3.The Darkling Beetles of Florida and Eastern United States
4.Tenebrionidae of Wisconsin
5.Tenebrionoidea of South Carolina
Janet C. Ciegler. 2014. Clemson University.