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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

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TaxonomyBrowse
Info
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Genus Pterostichus

Carabid - Pterostichus stygicus Pterostichus herculeanus - Pterostichus herculaneus Cyclotrachelus,  mabye brevoorti or engelmanni - Pterostichus melanarius Carabid - Pterostichus vermiculosus Pterostichus femoralis Beetle - Pterostichus patruelis Ground beetle 2 - Pterostichus punctatissimus Pterostichus? - Pterostichus amethystinus
Classification
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 Pterostichitae
Tribe Pterostichini (Woodland Ground Beetles)
Genus Pterostichus
Numbers
ca. 180 spp. in 23 subgenera in our area(1)(2), ~2000 in Eurasia
subgenera not yet in the guide(3):
Pseudoferonina 9 spp. Pacific Northwest
Identification
Mentum tooth emarginate at apex; inner lobe of the maxilla prolonged into a heavily sclerotized, arched, inwardly directed tooth which appears hooked; terminal segment of all palpi cylindrical or fusiform; antennae pubescent from and including the fourth segment; prothorax with single or double laterobasal fovea and with two lateral setae; elytral epipleura crossed. Most species with abbreviated scutellar stria with an ocellate puncture at its base; first metatarsal segment usually with external furrow.
Range
Holarctic + adjacent parts of the Oriental & Neotropical regions(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.
2.Phylogeny and classification of Hypherpes auctorum (Coleoptera: Carabidae: Pterostichini: Pterostichus)
Will K.W., Gill A.S. 2008. Ann. Carnegie Mus. 77: 93-127.
3.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.