Stenopsocus Hagen, 1866

Liang, Feiyang & Liu, Xingyue, 2024, Systematic revision and molecular phylogenetics refine the generic classification of the bark louse family Stenopsocidae (Insecta: Psocodea: Psocomorpha), Arthropod Systematics & amp; Phylogeny 82, pp. 433-446 : 433-446

4.4. Genus Stenopsocus Hagen

Stenopsocus Hagen, 1866: 203. Type species: Psocus immaculatus Stephens, 1836: 125, original designation.

Cubipilis Li, 1993: 350. Type species: Cubipilis hamaocaulis Li, 1993.

Diagnosis.

Body length from postclypeus to wing tip 4–7 mm. Antenna longer than body and forewing. Head with variable brown markings. Labrum without distal styli. Pterostigma transparent, partly brown or wholly brown. Forewing with setose anterior margin, all veins with single-row setae; pterostigma narrowly elongate, with indistinct or distinct posterior angle; Rsm slightly curved. Genitalia generally yellowish white, weakly sclerotized. Male genitalia: tip of aedeagal arch generally exceeding parameres; endophallus with complex sclerotized papillae regions. Female subgenital plate posteriorly convex; dorsal valve and ventral valve sclerotized; proximal portion of dorsal valve broad; external valve reduced; spermathecal sac generally pear-shaped.

Distribution.

Oriental and Palaearctic regions.