HOMILOPSOCIDEA, Pearman, 1936

Yoshizawa, Kazunori, 2002, Phylogeny and higher classification of suborder Psocomorpha (Insecta: Psocodea: ‘ Psocoptera’), Zoological Journal of the Linnean Society 136 (3), pp. 371-400 : 396

INFRAORDER HOMILOPSOCIDEA

This infraorder contains a great diversity of taxa, both morphologically and biologically.

Head usually with rounded vertex except sharply pointed in Calopsocidae ; postclypeus usually well bulged; epistomal suture with or without welldeveloped internal ridge; anteclypeus variable; male eyes usually much larger than female’s; ocelli complete, usually clustered on weakly developed tubercle; mandible short, with rounded outer margin except Calopsocidae with somewhat angled outer margin; lacinial tip usually bicuspid; galea usually flattened; labial palpus rounded. Prothorax less bulged dorsally; pterothorax strongly bulged dorsally; mesothorax with broad precoxal bridge and narrow trochantin; metaepisternum with broad membranous region. Forewing with various coloration and markings; posteroproximal corner smoothly rounded; venation generally of Caecilius - type. Hindwing with rounded posteroproximal corner; Sc faint. Male genitalia variable; phallosome complete. Female genitalia: subgenital plate usually with distal projection extended from dorsal margin. Gonapophyses usually complete; dorsal valve swollen dorsally, usually with subapical ventral process.