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A hover fly sits on its perch. Urbana, Illinois, USA
A predatory syrphid fly larva sneaks up behind an oleander aphid (Aphis nerii) for a quick snack. Syrphids are excellent control agents for pest aphids. Arizona. filename: syrphidlarva1
Flies are among the most important pollinators. Here, an Eristalis drone fly (Syrphidae) visits a Prunus flower. California. filename: syrphid2
A hover fly (Syrphidae) visits a flower. Sagehen Creek, California, USA
A hover fly sits on its perch.

Urbana, Illinois, USA
A hover fly sits on its perch. Urbana, Illinois, USA
A hover fly sits on its perch.

Urbana, Illinois, USA
See photo in original gallery.
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all images and text © Alex Wild 2001-2013