Epistrophella emarginata explained

Epistrophella emarginata is a common North American species of hoverfly.^[1] Larvae are aphid predators ^[2] When laying eggs, the female oviposits on the petioles of a leaf.^[3]

Distribution

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^[4]

Notes and References

1. Book: Vockeroth . J.R. . 1992 . The Flower Flies of the Subfamily Syrphinae of Canada, Alaska, and Greenland (Diptera: Syrphidae). Part 18. The Insects and Arachnids of Canada . 1–456 . Canadian Government Pub Centre . Ottawa, Ontario . 0-660-13830-1.
2. Heiss . Elizabeth Madeleine . 1938 . A classification of the larvae and puparia of the Syrphidae of Illinois exclusive of aquatic forms . Series: Illinois biological monographs . 16 . 1–142 .
3. Almohamad . Raki . Verheggen . François . Haubruge . Eric . Searching and oviposition behavior of aphidophagous hoverflies (Diptera: Syrphidae): a review . Biotechnologie, Agronomie, Société et Environnement . 2009 . 13 . 3 . 2 January 2023 . English . 1370-6233.
4. 12137049. Epistrophella emarginata (Say, 1823). 2023-01-02.