Black-flies
Guides
Greniera
Greniera is a genus of black flies in the family Simuliidae, established by Doby and David in 1959. The genus belongs to the tribe Prosimuliini and includes at least two described species: Greniera abdita and Greniera abditoides. Species are known from Europe and North America.
Hiatomyia
Deltawings
Hiatomyia is a Holarctic genus of hoverflies (family Syrphidae) characterized by a distinctive plumose arista and shiny black coloration. The genus contains approximately 22 described species, with authorship dating to Shannon (1922). These flies are relatively poorly known compared to many other syrphid genera, with limited observational data available.