Synanthedon vespiformis

Synanthedon vespiformis, the yellow-legged clearwing, is a moth of the family Sesiidae. It is found in the Palearctic realm.
The wingspan is 18–20 mm. The moth flies from April to September depending on the location.
Image:Buckler W The larvæ of the British butterflies and moths PlateXXVII.jpg|thumb|140px|left|Figs. 5 larvae after last moult 5a, 5b pieces of oak bark ravaged by the larva
The larvae feed on oak, but also species from the genera Populus, Aesculus and Salix.