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Genus Discoderus

Carabid.. - Discoderus impotens Discoderus amoenus Discoderus? - Discoderus robustus Black ground beetle - Discoderus parallelus Unknown Carabid - Discoderus aequalis Harpalinae?  - Discoderus parallelus Harpalinae?  - Discoderus parallelus RACA-0425 - Discoderus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Carabidae (Ground Beetles)
Subfamily Harpalinae
Supertribe Harpalitae
Tribe Harpalini
Subtribe Harpalina
Genus Discoderus
Pronunciation
dis-KOD-er-us with all vowels short and accent is on second syllable. [PWM note]
Explanation of Names
Discoderus LeConte 1853
'disk-like pronotum'
Numbers
12/2022: The current manuscript revision by Messer & Raber reports 24 valid species for the New World which include 4 new species, 19 new synonyms, and only 10 spp. (incl. one new) north of Mexico.
Range
s.Canada to Panama [PWM, unpublished]. In our area, all species except D. parallelus are restricted to the southwestern quadrant of USA(1)
Works Cited
1.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.