Synonyms and other taxonomic changes
used to be treated as a part of Empididae, incl. in recent important sources(1)(2)(3)
~300 spp. in 25 genera of 3 subfamilies in our area(3)
, >2,000 spp. in 75 genera total(4)
"Empidinae normally have a thick beak pointing down. Hybotinae have a thinner beak, or a thick beak pointing forwards or diagonally. Empidinae frequently have vein R4+5 forked. Hybotidae never do. Empidinae have a discal cell with three veins on the distal side. Some Hybotidae do not, or have only two veins." -comment by John F. Carr
Also, generally, the foreleg not raptorial, alula usually present, small, anal lobe usually developed, vein CuA2 forming a distinct angle with basal part of vein A1.