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.
Distribution
[image:Dist. map Epistrophella emarginatus.png |thumb|upright=1.0|left|USA distribution map]- 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