Dagger-flies
Guides
Dolichocephala
dagger flies
Dolichocephala is a genus of empidid flies (dagger flies) in the subfamily Clinocerinae, established by Macquart in 1823. The genus contains at least 50 described species distributed across the Holarctic and Oriental regions. Recent taxonomic revisions have significantly expanded the known species diversity in North America and Southeast Asia.