Piophila

Piophila is a genus of small two-winged flies which includes the species known as the cheese fly. As a whole, the genus is often called wine flies; they prefer fermented foodstuffs to deposit their eggs. Piophila vulgaris visits Arum maculatum flowers in England. The genus is found in the Palearctic.[1][2]

Piophila
Piophila casei
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Piophilidae
Tribe: Piophilini
Genus: Piophila
Fallén, 1810
Type species
Musca casei
Synonyms

Description

Round, purplish or dark green eyes. Interocular space with parallel or convergent sides. Antennae sockets superficial. Ocellar bristles usually shorter than the posterior vertical bristles. Short antennae, well separated at the base. Black body, more or less bright or chagrined, sometimes with coppery reflections. Humeral present or not (casei). Glassy wings, without an apical brown spot: often with pale veins. The abdomen is short, oval or square.[3]

Species
  • Piophila casei (Linnaeus, 1758), the cheese fly
  • Piophila penicillata (Steyskal, 1964)
  • Piophila senescens (Melander & Spuler, 1917) (junior synonym – Piophila nigriceps (Macquart, 1851)Scutellum flattened and covered with microscopic impressions. Interocular space entirely black, bare. Wings with thin pale veins. Occiput polished. Genitalia thick and densely fringed. Long 2-5.4 mm.
  • Piophila vulgaris (Fallén) = Parapiophila Propleura satin. Black occiput with grey pruinosity. Vertex, upper part of the eye margins and ocellar triangle blck. Cheeks wide. Legs black, except the coxae and "knees"; femora III mostly black. Long 2–3 mm.

References
  1. Fauna Europaea
  2. Bei-Bienko, G.Y. & Steyskal, G.C. (1988) Keys to the Insects of the European Part of the USSR, Volume V: Diptera and Siphonaptera, Part I. Amerind Publishing Co., New Delhi. ISBN 81-205-0080-6
  3. Séguy, E. (1934) Diptères: Brachycères. II. Muscidae acalypterae, Scatophagidae. Paris: Éditions Faune de France 28 Bibliotheque Virtuelle Numerique pdf
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