Chamaesphecia palustris is a moth of the family Sesiidae. It is found in France, Italy, Austria, the Czech Republic, Slovakia, Hungary, Croatia, Serbia and Montenegro, Romania, Moldova, Ukraine, RussiaFauna Europaea and northern Turkey.
The wingspan is 25–29 mm.
The larvae feed on Euphorbia palustris and Euphorbia lucida.Chamaesphecia at funet
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