Neoascia geniculata


Neoascia geniculata is a Palearctic species of hoverfly.

Description

For terms see Morphology of Diptera

The 3rd segment of the antenna is rounded-oval. The hypopygium is clothed with white hairs. Abdomen blackish bronzy in male with fairly broad reddish yellow
bands on tergite 3; in female bronzy with black dots over greater part of tergite 3. Surstyli elongated-oval. Body length 4.0 to 5.0 mm.

Distribution

Scandinavia South to central France. Ireland East through Central Europe, European Russia to Siberia.

Habitat

Wetlands- acid fen, calcareous fen aapamire and raised bog.

Biology

Flies low among vegetation in May to September
Flowers visited include white umbellifers, Alisma plantago-aquatica, Baldellia ranunculoides, Caltha palustris, Potentilla erecta, Ranunculus.