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Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of 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

Previous events


Genus Discoderus

Carabid.. - Discoderus impotens Discoderus? - Discoderus robustus Discoderus amoenus Discoderus? - Discoderus robustus Unknown Carabid - Discoderus impotens Unknown Carabid - Discoderus impotens Discoderus robustus Discoderus robustus? - Discoderus robustus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Carabidae (Ground Beetles)
Subfamily Harpalinae
Supertribe Harpalitae
Tribe Harpalini
Subtribe Harpalina
Genus Discoderus
A frequent anglicized pronunciation is dis-KOD-er-us with all vowels short and accent is on second syllable. [PWM note]
Synonyms and other taxonomic changes
Needs revision(1). See comment under "Numbers".
Explanation of Names
Discoderus LeConte 1853
'disk-like pronotum'
Current literature: 19 species in our area of which several Casey species are expected to be synonymized. 28 total(1) species for the New World.

UPDATE 12/2022: The current manuscript revision of the genus Discoderus by Messer & Raber reports 24 valid species for the New World which include four new species, 19 new synonyms, and a subset of only 10 species (one of them new) that occur in the Nearctic north of Mexico.
Southern Canada to Panama [PWM, unpublished]. In our area, all species except D. parallelus are restricted to the southwestern quadrant of USA(2)
Works Cited
1.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.
2.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.