Pseudocaeciliidae

Definition

A family of small, often gregarious psocids (order Psocodea, suborder Psocomorpha) characterized by broad, rounded wings with reduced venation and a superficial resemblance to the unrelated family Caeciliusidae. Members are classified in the infraorder Philotarsetae alongside Philotarsidae, with which they share derived features of wing structure and male genitalia. The family occurs primarily in tropical and subtropical regions, where species inhabit bark, leaf litter, and foliage.

Etymology

From Greek pseudes (false) + Caeciliusidae, referring to the misleading similarity to that family

Example

Pseudocaecilius citricola, a species in Pseudocaeciliidae, feeds on epiphytic algae and lichens on citrus bark in subtropical orchards.

Related Terms

• Psocodea
• Psocomorpha
• Philotarsetae
• Philotarsidae
• Caeciliusidae
• Psocoptera
• barklice
• booklice

Usage Notes

The family name reflects historical confusion with Caeciliusidae based on convergent wing shape, not phylogenetic relationship; modern classification places these families in separate infraorders. Identification to family level requires examination of wing venation, pretarsal claws, and male paramere structure. The group is understudied relative to Philotarsidae, with many tropical species undescribed.