Malostenopsocus Li, 1992

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

4.2. Genus Malostenopsocus Li, 1992

Malostenopsocus Li, 1992: 250. Type species: Malostenopsocus yunnanicus Li, 1992: 250, original designation.

Diagnosis.

Male body shorter than 3 mm, female body longer than 3 mm, from postclypeus to wing tip length 5–7 mm. Antenna slightly longer than body length, not longer than wing length. Labrum without distal styli. Head with several dark brown markings. Wings transparent, without distinct markings ( M. plurifasciatus with markings on wings), veins darker than wing margin. Forewing costal vein with setae from base of anterior margin to pterostigma, all veins with single-row setae at least, but R, Rs + M, CuA + M, and CuA with two rows of setae, and basal membranous part of forewing with setae. Pterostigma broad, with a distinct posterior angle. Abdomen with three ventral vesicles. Abdomen with segments 8–9 indistinctly sclerotized. Male phallosome strongly sclerotized, endophallus with three lobes. Female spermathecal sac with a lateral pouch connecting to spermathecal duct.

Distribution.

Oriental region.