Syrphus knabi

Syrphus knabi
	Syrphus knabi
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Syrphidae
Tribe:	Syrphini
Genus:	Syrphus
Species:	S. knabi
Binomial name
	Syrphus knabi; Shannon, 1916

Syrphus knabi (Shannon, 1916), the The Eastern flower Fly, is an uncommon species of syrphid fly observed in the eastern and United States and Canada. Syrphid flies are also known as Hover Flies or Flower Flies because the adults are frequently found hovering around flowers from which they feed on nectar and pollen. Adults are 7.2–12.9 mm (0.28–0.51 in) long. The larvae are predators of a variety of aphids in trees. [1][2][3][4][5]

References

Skevington, Jeffrey H (2019). Field Guide to the Flower Flies of Northeastern North America. ISBN 9780691189406.
"Syrphus knabi Report". Integrated Taxonomic Information System. Retrieved 2019-09-23.
"Syrphus knabi". GBIF. Retrieved 2019-09-23.
"Syrphus knabi species Information". BugGuide.net. Retrieved 2019-09-23.
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.

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[skev-1] Skevington, Jeffrey H (2019). Field Guide to the Flower Flies of Northeastern North America. ISBN 9780691189406.

[itis-2] "Syrphus knabi Report". Integrated Taxonomic Information System. Retrieved 2019-09-23.

[gbif-3] "Syrphus knabi". GBIF. Retrieved 2019-09-23.

[buglink-4] "Syrphus knabi species Information". BugGuide.net. Retrieved 2019-09-23.

[Heiss-5] 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.