Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Allograpta obliqua - Common Oblique Syrphid

Male syrphid fly - Allograpta obliqua - male Wasp? on primrose - Allograpta obliqua Syrphid - Allograpta obliqua - male Allograpta obliqua, male? - Allograpta obliqua - male hoverfly - Allograpta obliqua Syrphid emerging from Prociphilus leaf curls on Fraxinus pennsylvanica - Allograpta obliqua - male Oblique Streaktail - Allograpta obliqua Allograpta obliqua
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Aschiza")
Family Syrphidae (Syrphid Flies)
Subfamily Syrphinae
Tribe Syrphini
Genus Allograpta
Species obliqua (Common Oblique Syrphid)
Explanation of Names
Allograpta obliqua (Say 1823)
6-8.5 mm
It has transverse yellow bands on the abdomen, and two oblique yellow marks near the tip. Larvae(1) smooth, green, with a broad white median strip and prominent breathing tubes.
see also
Adults are known from a variety of habitat and visit a variety of flowers(2)
Typically summer to early fall: Jun-Sep in KS, Jul in MN, May-Dec in NC (lower elevations), Jun-Sep in NC mountains, all year in so. FL
Larvae have been recorded feeding on many types of prey, including mites, Lepidoptera, psyllids, mealybugs, whiteflies and at least 50 species of aphids(2)
Life Cycle
Pupa -- Adult female -- Adult male
Print References
Internet References
Fact sheet (Weems 2004-2014)(4)
Works Cited
1.Flower Flies (Syrphidae) and other biological control agents for aphids in vegetable crops
R. Bugg et al. 2008. UC ANR Publication 8285.
2.Field Guide to the Flower Flies of Northeastern North America
Jeffrey H. Skevington and Michelle M. Locke, Andrew D. Young, Kevin Moran, William J. Crins and Stephen A. Marshall. 2019. Princeton University Press.
3.Insects of New England & New York
Tom Murray. 2011. Kollath+Stensass Publishing.
4.University of Florida: Featured Creatures