Teratembiidae

Definition

A family of web-spinners (order Embioptera) characterized by silk-producing glands on the foretarsi used to construct silk galleries in leaf litter, bark crevices, and other sheltered microhabitats. Members of this family are distributed across the Nearctic, Neotropical, and Afrotropical biogeographic realms. Teratembiidae represents one of several families within the small order Embioptera, an ancient lineage of polyneopteran insects with complex social behaviors and female-biased sexual dimorphism.

Etymology

From Greek teratos (wonder, monster) + Embiidae (type family of Embioptera), referring to the distinctive morphology of these web-spinners.

Example

Species in Teratembiidae, such as those in the genus Teratembia, construct narrow silk tunnels under stones or in decaying wood, where they live in colonies with overlapping generations and engage in maternal care of offspring.

Related Terms

• Embioptera
• web-spinner
• Embiidae
• Notoligotomidae
• silk gland
• polyneopteran

Usage Notes

Teratembiidae is one of approximately 11 recognized families in Embioptera, though family-level taxonomy in this order remains under revision. The family is distinguished from the more speciose Embiidae by subtle differences in wing venation, tarsal segmentation, and male genitalia. When referring to the group, use the family name as a plural collective (e.g., 'Teratembiidae are found in tropical regions') rather than forcing a singular construction.