Brachypsectridae

Definition

A small family of beetles (order Coleoptera) containing only two extant genera, Brachypsectra and Asiopsectra. Members are commonly known as Texas beetles, though the family has a broader distribution: Brachypsectra occurs cosmopolitanly in arid regions worldwide, while Asiopsectra is restricted to Central Asia and the Middle East. The family is notable for its relictual diversity and sparse representation in modern faunas.

Etymology

Example

Brachypsectra fulva, a member of Brachypsectridae, is frequently collected at lights in desert regions of the southwestern United States and has been recorded from multiple continents, illustrating the family's unusual disjunct distribution pattern.

Synonyms

• Texas beetles

Related Terms

• Coleoptera
• Brachypsectra
• Asiopsectra
• relictual distribution
• arid-adapted insects
• beetle families

Usage Notes

The common name 'Texas beetles' is somewhat misleading, as the family is not restricted to Texas or even North America; Brachypsectra has a genuinely cosmopolitan distribution in arid zones. The family is rarely encountered in field collections due to low abundance and nocturnal habits. Specialists note the group's phylogenetic position within Elateroidea remains under study.