Species Ocyptamus costatus

Classification · Size · Identification · Range · Season · Food · Internet References

Flower Fly - Ocyptamus costatus - female

Ocyptamus costatus? - Ocyptamus costatus

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Class Insecta (Insects)

Order Diptera (Flies)

No Taxon (Aschiza)

Family Syrphidae (Syrphid Flies)

Subfamily Syrphinae

Tribe Syrphini

Genus Ocyptamus

Species costatus (Ocyptamus costatus)

Size

8.5-11.5 mm

Identification

wing with leading edge darkened and with cell dm always clear; face yellow with median black line; abdomen black, constricted basally, swollen/widened apically with pointed tip and three equally-spaced white spots along each side (see link to images in Internet References below)

Range

extreme southern Ontario and probably states bordering Lake Erie and Lake Ontario

Season

mid-summer

Food

larvae are predators of scale insects

Internet References

pinned adult images with labeled field marks (Jeff Skevington, Field Guide to the Flower Flies of Ontario)

Contributed by Robin McLeod on 23 August, 2005 - 10:54pm

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