7-10mm. This rather slim-bodied sawfly has a black abdomen with a broad red girdle on tergites 4 and 5. The legs are mainly red or yellow.
Associated with Great Burnet and Ladys Mantle.
May and June.
The larvae of Allantus calceatus pupate inside the stems of Great Burnet and Ladys Mantle, but have also been found on Meadowsweet, Rosa and Bramble.
Widespread but local in England and Wales.
Rare or under recorded in Leicestershire and Rutland.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015