Telegeusis

Telegeusis species are distinguished from other Omethidae by their elongated, slender body form and notably long maxillary palps that extend well beyond the head. The Texas long-lipped beetle (T. texensis) is named for this distinctive feature. Species-level identification requires examination of male genitalia and other fine morphological characters.

Species occur in the southern United States (Texas, Arizona), Mexico, and Panama. T. texensis is documented from multiple counties across central and eastern Texas.

Adults of T. texensis are active from May through September, with peak abundance in July. Seasonal data for other species is not documented.

T. texensis shows a seasonal appearance suggesting a univoltine or partially bivoltine pattern. Larval stages and complete life cycle details are unknown.

Male T. texensis exhibit nocturnal flight activity concentrated between 2200-0200 hours (10 PM to 2 AM), with minimal daytime activity. Males are attracted to blacklight traps, indicating positive phototaxis.

T. texensis has been studied for its seasonal and diel activity patterns using blacklight trapping methods. No economic or agricultural significance has been reported.

• Other OmethidaeTelegeusis was formerly placed in its own family Telegeusidae; it shares the superfamily Elateroidea with Omethidae but differs in elongated body form and exceptionally long maxillary palps.

• beetle
• nocturnal
• blacklight-attracted
• long-lipped beetle

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
• Seasonal Appearance, Diel Flight Activity, and Geographic Distribution of MaleTelegeusis texensisFleenor and Taber (Coleoptera: Telegeusidae)