Syrphus ribesii (Linnaeus, 1758)
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Identification

Dark frons , bare eyes, 3rd and 4th abdominal terga with yellow bands (complete or divided in the middle) and wing membrane entirely trichose.
Source: Entomology collection (E.H. Strickland Entomological Museum)
Length: 8.1-13.3 mm (Vockeroth 1992)
Biology
Larvae of Syrphus ribesii feed on several species of aphids (Láska and Starý, 1980).
Distribution
Alaska, Canada, South to California, Mexico, Central America, Mississippi, Europe, Asia (Vockeroth, J.R. 1992).
Taxonomic Hierarchy
Kingdom Animalia
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Subclass Pterygota
Infraclass Neoptera
Order Diptera
Suborder Brachycera
Infraorder Muscomorpha
Family Syrphidae
Subfamily Syrphinae
Tribe Syrphini
Genus Syrphus
Species
Syrphus ribesii (Linnaeus, 1758)
Scaeva concava Say, 1823
Syrphus autumnalis Fluke, 1954
Syrphus bigelowi Curran, 1924
Syrphus jonesi Fluke, 1917
Syrphus philadelphicus Macquart, 1842
Syrphus similis Jones, 1917
Syrphus vittafrons Shannon, 1916