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Rhamphomyia crassirostris
Length 5.5 to 6.5mm. This species has a fairly typical Empid form but the legs are not very strongly bristled. The female discal cell is a useful id aid, being enormously enlarged but still closed with the lower crossvein closing the cell near to and parallel with the wing edge. Eyes widely separated in both sexes, all legs completely black. Base colour grey with the four stripes on the being thorax dark and distinct and running between the rows of bristles.
- around 6mm
- grey abdomen
- black legs
- dark stripes on the thorax (between the rows of bristles)
- very large discal cell which nearly reaches the wing margin
Near to streams
Late April to the end of June.
Common. Often abundant in spring when it forms mating swarms that vary from 5-6 to 1000's of individuals
Believed to be common.
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Species profile
- Species group:
- Flies
- Kingdom:
- Animalia
- Order:
- Diptera
- Family:
- Empididae
- Records on NatureSpot:
- 4
- First record:
- 14/05/2016 (Gould, David)
- Last record:
- 08/05/2020 (Nicholls, David)
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% of records within its species group
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