Fenusa pumila

Fenusa pumila, the birch leafminer, is a species of sawfly in the family Tenthredinidae. It is found in Europe and has been introduced into North America.^[2] In North America it may have two to four generations per year and the average first occurrence of adults is after 65 growing degree-days.^[3]

Fenusa pumila
Fenusa pumila leafmines Museum Wiesbaden
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Suborder:	Symphyta
Family:	Tenthredinidae
Genus:	Fenusa
Species:	F. pumila
Binomial name
Fenusa pumila Leach, 1817
Synonyms
Tenthredo pumila Klug, 1818 Fenusa pusilla Auctt. (not Lepeletier) Fenusa fuliginosa Healy, 1869 Fenusa minima Brischke, 1883[1]