Themira annulipes

Themira annulipes can be distinguished from other Themira species by the specific leg coloration referenced in its epithet "annulipes" (ringed foot). Precise identification requires examination of male genitalia and wing venation patterns characteristic of the genus. It is smaller and less robust than many Ulidiidae (picture-winged flies) with which it might be superficially confused, and lacks the patterned wings typical of that family.

Has been recorded in temperate European environments including Flemish Region of Belgium. As a sepsid fly, likely associated with dung, decaying vegetation, and other decomposing organic substrates, though specific microhabitat preferences for this species are not documented.

Europe: confirmed records from Belgium, Denmark, Norway, and Sweden. GBIF distribution records indicate presence in Flemish Region of Belgium.

Likely contributes to decomposition processes as a scavenger in dung and decaying organic matter habitats, consistent with family-level ecology of Sepsidae.

• Ulidiidae (picture-winged flies)Superficially similar small flies with patterned wings, but Themira annulipes lacks bold wing markings and has different body proportions; Sepsidae have reduced wing venation and characteristic genitalic structures
• Other Themira speciesRequire careful examination of leg coloration pattern and male terminalia for definitive separation; T. annulipes specifically shows annulated leg segments

• sepsidae
• scavenger fly
• black scavenger fly
• european fauna
• diptera

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Encyrtid Holdings | Entomology Research Museum
• Bug Eric: Picture-winged Flies