Slender Smoothtail

Epistrophella emarginata

"Epistrophella emarginata" is a common North American species of hoverfly. Larvae are aphid predators When laying eggs, the female oviposits on the petioles of a leaf.
Epistrophella emarginata Slender Smoothtail hoverfly larva Epistrophella emarginata,Slender Smoothtail hoverfly,larva

Distribution

USA: D.C., Alabama, Alaska, Arkansas, Indiana, Illinois, Iowa, Kansas, Maine, Maryland, Michigan, Massachusetts, Minnesota, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Vermont, Virginia, West Virginia, Wisconsin.
Canada: Saskatchewan, Alberta, Manitoba, Ontario, Quebec, Nova Scotia, New Brunswick
Central America: Mexico, El Salvador

References:

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderDiptera
FamilySyrphidae
GenusEpistrophella
SpeciesE. emarginata