DescriptionFLOWER FLY sp (Scaeva pyrastri?) (4-23-10) carrizo -03 (4551652965).jpg English: "Bugs" Date 24 April 2010, 08:09:42 Source https://www.flickr...
the hoverflies in our observations. These are the black and white Scaeva pyrastri (also a migrant in Europe), the black and yellow Syrphus opinator,...
nisum (pea aphid) in — vetch and clovers. (Boyer). . . — SYRPHID FLY (Scaeva pyrastri - COLORADO sweeps in alfalfa in Mesa County. (Bulla). A ) A BRACONID...
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