{{Short description|Species of insect}} {{Speciesbox | image = | image_caption = | genus = Cheilosia | species = prima | authority = (Hunter 1896) | synonyms = *''Cartosyrphus slossonae'' <small>(Shannon, 1922)</small> *''Chilosia ontario'' <small>(Curran, 1922)</small> *''Chilosia prima'' <small>(Hunter, 1896)</small> *''Chilosia slossoni'' <small>(Shannon, 1922)</small> }}
'''''Cheilosia prima''''' (Hunter 1896),<ref name="Hunter1897">{{cite journal|last1=Hunter|first1=W.D.|title=A contribution to the knowledge of North American Syrphidae. II|journal=The Canadian Entomologist|date=1897|volume=29|pages=121-144, 1 pl|url=https://www.biodiversitylibrary.org/page/27875883#page/141/mode/1up|access-date=10 July 2021}}</ref> the '''swarthy blacklet''', is a common species of syrphid fly observed in the eastern half of North America. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers from which they get both energy-giving nectar and protein rich pollen. Larvae when known are plant feeders.<ref>{{cite journal|last=Rotheray|first=G.E.|year=1993|title=Colour Guide to Hoverfly Larvae (Diptera, Syrphidae) in Britain and Europe|journal=Diperists Digest|volume=9|pages=155|url=https://diptera.info/downloads/df_1_9_Colour_Guide_to%20Hoverfly_Larvae.pdf}}</ref><ref name=skev>{{cite book|last=Skevington|first=Jeffrey H|author-link=|date=2019|title=Field Guide to the Flower Flies of Northeastern North America.|url=|location=|publisher=|page=|isbn=9780691189406}}</ref>
==References== {{Reflist}} {{Taxonbar|from=Q13494157}}
Category:Flies of North America Category:Hoverflies of North America Category:Cheilosia Category:Insects described in 1896 {{Eristalinae-stub}}