CAECILIUSOIDEA, Kolbe, 1880

Yoshizawa, Kazunori, 2002, Phylogeny and higher classification of suborder Psocomorpha (Insecta: Psocodea: ‘ Psocoptera’), Zoological Journal of the Linnean Society 136 (3), pp. 371-400 : 398

SUPERFAMILY CAECILIUSOIDEA

Small to large in size, about 3–10 mm in length. Coloration of body and wings greatly diverse. All livingfoliage dwellers.

Head capsule somewhat elongate, parallel sided; vertex usually rounded; anteclypeus narrowly sclerotized; male eyes always much larger than female’s; ocelli complete, clustered on well-developed small tubercle; mandible elongate, external margin strongly angled, posterior margin deeply hollowed. Maxilla with ball-shaped galea; lacinial tip usually narrow, not denticulated; labium with well-developed salivary duct; labial palpus triangular. Forewing venation, coloration, and ciliation variable; veins and wing margin always setose. Hindwing variable. Pulvillus broad. Abdomen with eversible vesicles on ventral surface. Male genitalia as in Caeciliusetae . Female genitalia: Subgenital plate simple, its posterior margin smoothly rounded or slightly hollowed medially. Gonapophyses simple; ventral and dorsal valves narrow and pointed apically; external valve reduced, sometimes almost indistinguishable, with or without few setae.

Type genus: Caecilius Curtis, 1837 .

Included families: Stenopsocidae , Amphipsocidae , Caeciliusidae .