Pseudopsallus demensus
(Van Duzee, 1925)
Pseudopsallus demensus is a of plant bug in the Miridae, originally described by Van Duzee in 1925. It belongs to the Pseudopsallus, a group of mirids primarily associated with herbaceous vegetation in temperate and semi-arid regions. The species occurs across western North America, from the Great Plains through the Rocky Mountains and into northern Mexico. Records suggest it occupies grassland and open zones, though detailed biological studies remain limited.
Pronunciation
How to pronounce Pseudopsallus demensus: /ˌsjuːdoʊpˈsæləs dɪˈmɛnsəs/
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Identification
Pseudopsallus demensus can be distinguished from by examination of male genitalia, particularly the structure of the vesica and parameres. External follows the general Pseudopsallus pattern of small to medium-sized mirids with relatively unmarked, pale to brownish coloration. Accurate identification to level requires dissection and comparison with or detailed descriptions in Van Duzee's original work.
Habitat
Recorded from grassland and open country in the western Great Plains and Rocky Mountain foothills. Associated with herbaceous vegetation in semi-arid to temperate zones.
Distribution
Western Nearctic: Canada (Manitoba, Saskatchewan); USA (Arizona, Colorado, South Dakota, Wyoming); Mexico (Coahuila, Puebla, Zacatecas).
Similar Taxa
- Pseudopsallus speciesCongeneric share general habitus and coloration; definitive separation requires examination of male genitalia.