4.3. Genus Neostenopsocus gen. n.

Type species.

Stenopsocus externus Banks, 1937: 259 .

Diagnosis.

Body length from postclypeus to wing tip 4–7 mm. Antenna distinctly longer than body and forewing in length. Labrum with distal styli. Forewing with setose anterior margin and single-row setae on all veins except for CuP, CuP glabrous; pterostigma elongate, with a distinct posterior angle; Rsm slightly curved. Forewing pterostigma with variable brown markings, other regions transparent or yellowish. Genitalia from yellowish to dark brown. Male genitalia: tip of aedeagal arch not exceeding parameres. Female subgenital plate posteriorly convex; dorsal valve and ventral valve sclerotized, narrow; external valve reduced; spermathecal sac generally pear-shaped without pouch.

Distribution.

Oriental, Palaearctic and Australian regions.

Etymology.

The generic name is a combination of Greek “ neo- ” (meaning “ new ”) and “ Stenopsocus ”, meaning the new genus of Stenopsocidae . Gender masculine.

Remarks.

Based on morphological characters, we transferred 115 species previously placed in Stenopsocus to Neostenopsocus gen. n. . The checklist is provided ..