This sawfly is the only Cephus with an all black abdomen. It has black femora with yellow tibia and tarsi. The costa is also yellow, particularly near to the body.
Tends to favour woodland and other well wooded areas, but is attracted to yellow flowers such as buttercups.
May and June.
Widespread but infrequently recorded.
Rare or under recorded in Leicestershire and Rutland. The Holwell record of 11.5.2017 is the first record for VC55.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015