''Synanthedon mesiaeformis'' is a moth of the family Sesiidae. It is found in France, Spain,

Lithuania Lithuania (; lt, Lietuva ), officially the Republic of Lithuania ( lt, Lietuvos Respublika, links=no ), is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea. Lithuania ...

, Poland, the Czech Republic, most of the

Balkan Peninsula The Balkans ( ), also known as the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throughout the who ...

, Finland, Russia and Asia Minor. The species prefers solitary trees on meadows, in parks and along streams. The wingspan is 19–31 mm. Adults are on wing from the second half of May to the end of July. The larvae feed on '' Alnus glutinosa''.Synanthedon at funet
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References

Moths described in 1846 Sesiidae Moths of Europe {{Sesiidae-stub