Australembiidae

Definition

A family of webspinners (order Embioptera) distinguished by the complete absence of wings in both sexes of all species, a rare condition among embiopterans. The family contains at least one genus, Metoligotoma, and is endemic to Australia.

Etymology

From Latin australis (southern) + Embiidae (type family of Embioptera), referring to its Australian distribution and phylogenetic placement.

Example

Unlike most webspinners where males develop wings for dispersal, Australembiidae species such as Metoligotoma show complete aptery in both sexes, suggesting reliance on walking dispersal and stable, predictable habitats.

Related Terms

• Embioptera
• Metoligotoma
• aptery
• webspinner
• Apterous

Usage Notes

One of few embiopteran families with universal aptery; contrasts with families such as Embiidae and Teratembiidae where winged males are typical. The family's restricted Australian distribution and flightlessness may reflect Gondwanan relictual status or island-endemic adaptive syndrome.