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 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



Trichiotinus bibens Emerald Flower Scarab - Trichiotinus lunulatus Furry scarab, posterior view - Trichiotinus piger Delta Flower Scarab - Trigonopeltastes delta - male Which Valgus species? - Valgus canaliculatus - male Epeolus scutellaris - male Timulla - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Glossary)
No Taxon (P)
No Taxon pygidium
Explanation of Names
From Greek pygidion, diminutive from of puge, the rump, buttocks.
pygidium noun, plural pygidia - the last dorsal segment of the abdomen. Prominent in many beetles, but of course, also distinctive in other groups.
pygidial adjective.
See Also
Print References
Gordh, A Dictionary of Entomology, p. 757 (1)
Works Cited
1.A Dictionary of Entomology
George Gordh, David H. Headrick. 2003. CABI Publishing.