Platycheirus occultus

Platycheirus occultus
	Platycheirus occultus female
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Syrphidae
Subfamily:	Syrphinae
Tribe:	Bacchini
Genus:	Platycheirus
Subgenus:	Platycheirus
Species:	P. occultus
Binomial name
	Platycheirus occultus; Goeldlin de Tiefenau Maibach & Speight, 1990

Platycheirus occultus is a Palearctic species of hoverfly.

Description

External images For terms see Morphology of Diptera
Tarsae 1: apical half of all segments without dark brown to black blotches ventrally. Femora 1 black to dark brown for less than half its length. Surstyli pale-haired.[1] [2]

Distribution

Norway, Sweden, Finland, Denmark, Ireland, Britain, North Germany, France Switzerland, Spain and northern Italy (Apennines), Serbia, Turkey[3]

Biology

Habitat: fen and bog, coastal marsh and dune slacks, humid, seasonally-flooded, grassland, moorland, taiga wetlands. Flies April to September.

gollark: It can't be trusted, since you operate it.

gollark: You might be meddling with the alleged "lava lamps" to produce exactly the output you want.

gollark: Then how can people independently verify the result?

gollark: Because it isn't deterministic.

gollark: Then other people can't verify it.

References

Speight, M.C.D. & Goeldlin de Tiefenau, P. (1990) Keys to distinguish Platycheirus angustipes, P.europaeus, P.occultus and P.ramsarensis (Dipt., Syrphidae) from other clypeatus group species known in Europe. Dipterists Digest, 5: 5-18.
Van Veen, M. P. (2004). Hoverflies of Northwest Europe, Identification Keys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8.
Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the database of European Syrphidae. 65: 285pp.

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[1] Speight, M.C.D. & Goeldlin de Tiefenau, P. (1990) Keys to distinguish Platycheirus angustipes, P.europaeus, P.occultus and P.ramsarensis (Dipt., Syrphidae) from other clypeatus group species known in Europe. Dipterists Digest, 5: 5-18.

[VanVeen-2] Van Veen, M. P. (2004). Hoverflies of Northwest Europe, Identification Keys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8.

[Speight-3] Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the database of European Syrphidae. 65: 285pp.