Family Skipper Flies (Piophilidae)
Piophilidae is a family in the order Diptera. Browse 23 named species recorded in this family, or open an individual profile for its available identification and natural-history information.
Species in Piophilidae (23)
Actenoptera avalona 0
Actenoptera avalona
Identification: Yellow flies with brown on femora and tibiae, and stout spines ventrally on midfemur. Scutellum without hairs between the marginal bristles.

Actenoptera hilarella
Actenoptera hilarella
Identification: Femora and tibiae entirely yellow and midfemur without stout ventral setae. Sides of scutellum with short hairs between the marginal setae.

Allopiophila testacea
Allopiophila testacea
Identification: Entirely yellow except for the tarsi. Costal area fumose.

Allopiophila tomentosa
Allopiophila tomentosa
Identification: Thorax and abodmen pruinose, not glossy. Males may have 1-3 additional dorsocentral bristles anterior to the large posterior pair.

Mycetaulus costalis
Mycetaulus costalis
Identification: Apical wing spot divided in two. Costa fumose.

Mycetaulus longipennis
Mycetaulus longipennis
Identification: Costal cell hyaline, 2 pairs of dosocentrals, wing spot reaching apex of wing

Mycetaulus nigritellus
Mycetaulus nigritellus
Identification: The only Mycetaulus species with wings unmarked

Mycetaulus polypori
Mycetaulus polypori
Identification: The combination of apical wing spot and black basitarsus on foreleg distinguishes it from other Mycetaulus spp.

Neottiophilum praeustum
Neottiophilum praeustum
9mm. This is a shining orange fly with a spinose costa. The wings are marked with dark 'shades' particularly at the wing tip. There are several other orange flies with black wings markings: Palloptera quinquemaculata - darker wing markings with the b

Cheese Skipper
Piophila casei
Identification: Black fly with yellow on front of head. No bristles on postpronotum and one pair of dorsocentrals. This is the only species in our area with the fine thoracic setulae confined to three narrow rows.

Prochyliza xanthostoma
Prochyliza xanthostoma
Identification: Pedicel as long as first flagellomere (female) or much longer (male). Frons black.

Allopiophila luteata
Allopiophila luteata

Allopiophila vulgaris
Allopiophila vulgaris

Amphipogon hyperboreus
Amphipogon hyperboreus

Mycetaulus bipunctatus
Mycetaulus bipunctatus

Prochyliza brevicornis
Prochyliza brevicornis

Prochyliza nigrimana
Prochyliza nigrimana

Prochyliza varipes
Prochyliza varipes

Protopiophila australis
Protopiophila australis

Protopiophila contecta
Protopiophila contecta

Protopiophila latipes
Protopiophila latipes

Protopiophila litigata
Protopiophila litigata

Stearibia nigriceps
Stearibia nigriceps