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Genus Helophilus

Is this Helophilus? - Helophilus fasciatus - female Helophilus? - Helophilus fasciatus - female Syrphid Fly - Helophilus fasciatus - male Syrphid - Helophilus fasciatus Helophilus? - Helophilus fasciatus Helophilus ? - Helophilus fasciatus - female Yet another syrphid fly! - Helophilus fasciatus - male Hoverfly ? - Helophilus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Aschiza")
Family Syrphidae (Syrphid Flies)
Subfamily Eristalinae
Tribe Eristalini
Subtribe Helophilina
Genus Helophilus
Explanation of Names
Helophilus Meigen 1822
Greek helo (1) + philus 'marsh lover' (presumably refers to the habitat)
Note that the name does not appear to refer to the sun, which would be helios (1).
9 spp. in our area(2)
10-15 mm(3)
Lengthwise-striped thorax, transverse-striped abdomen, broad pterostigma.
Pterostigma of Helophilus and Parhelophilus (Lejops is similar):

Larva's ventral surface with 3 pairs of projections between the anal opening and the base of the long tail.
Widespread, more speciose in n. Canada; ranges from(4):
H. fasciatus and latifrons widespread from so. Canada to Mexico
H. alaskensis, neoaffinis, stricklandi in far North
The other spp. boreal & western montane
Larvae feed on submerged plant litter
Unlike most species of Syrphidae, eyes of males do not touch; they are not holoptic and are not different from the eyes of females. Abdominal details are necessary to tell sex
See Also
Parhelophilus (typically smaller, narrow pterostigma)
Lejops (also with narrow pterostigma)
Internet References
Works Cited
1.Dictionary of Word Roots and Combining Forms
Donald J. Borror. 1960. Mayfield Publishing Company.
2.Key to the genera of nearctic Syrphidae
Miranda G.F.G, Young A.D., Locke M.M., Marshall S.A., Skevington J.H., Thompson F.C. 2013. Canadian Journal of Arthropod Identification 23: 1-351.
3.Syrphidae of Oklahoma (Diptera)
Shorter D.A., Drew W.A. 1976. Proc. Okla. Acad. Sci. 56: 75-94.
4.A Catalog of the Diptera of America North of Mexico
Alan Stone, et al. 1965. United States Department of Agriculture.
5.Syrphidae of Ontario