Lysilinga aurantiaca

Identification to species requires examination of male terminalia and specific wing venation characters. The orange body coloration separates it from most other Lysilinga species, which tend toward brown or gray tones. Specimens should be compared with type material or verified determinations for confident identification.

Published records are sparse; the species has been documented from western North America based on museum specimens and limited occurrence data. Precise range boundaries are undefined due to undercollection.

Adult activity period is poorly documented; most Therevidae species in temperate regions show spring to summer emergence, but specific phenology for this species is unknown.

Larvae of Therevidae are generally predatory in soil or decaying organic matter; specific larval biology for L. aurantiaca is unstudied. Adults of related species feed on nectar.

As with other Therevidae, larvae likely function as predators in soil ecosystems; adults may contribute to pollination through nectar feeding.

No documented economic or medical importance. Occasionally encountered by entomologists conducting surveys of stiletto fly diversity.

• Other Lysilinga speciesShare generic-level characters of wing venation and body form; distinguished by coloration (L. aurantiaca is orange versus brown/gray in congeners) and male genitalic structure.
• Thereva speciesCommon stiletto flies in the same family; distinguished by genus-level characters of antennae structure and wing venation, though field separation is difficult.

• BugGuide
• GBIF taxonomy match
• iNaturalist taxon
• Catalogue of Life