Chamaesphecia tenthrediniformis is a moth of the family Sesiidae.
It is found in Europe and the Near East.
It strongly resembles Chamaesphecia empiformis, some sources classify both as one species. The length of the forewings is 6âÂÂ10 mm. The moth flies from May to July depending on the location.
The larvae feed on Euphorbia esula.