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Golden-backed snipe fly

Here’s a male golden-backed snipe fly (Chrysopilus thoracicus). The species is strangely understudied. For example, the adults don’t seem to feed, or at least do so very rarely or in complete privacy. I’ve read about them eating aphids, but that’s secondhand at best. The family (Rhagionidae) is full of predaceous members, so it’s certainly possible, but it’s still odd that we don’t really know for sure, and there should be at least a single photograph of them eating something. I wish somebody would PCR their gut contents to settle the issue. Not much is known about the larvae (image), either, other than that they can mature in rotting logs (Johnson 1912). 

Colin Purrington Photography: Insects &emdash; Male Chrysopilus thoracicus on leaf

I’ve photographed this insect twice before. One was floating on top of water, the other was sporting a severely dented eye. They are easy to photograph because they refuse to budge even when the lens gets within centimeters.

 Colin Purrington Photography: Insects &emdash; Golden-backed snipe fly (Chrysopilus thoracicus)

Colin Purrington Photography: Insects &emdash; Golden-backed snipe fly (Chrysopilus thoracicus) with dented eye

Snipe flies (Rhagionidae) are so named because their unfurled probosces resemble snipes (long-beaked birds in the Scolopacidae). Not everyone buys that naming explanation, though. Some insist it’s because of their agile, predaceous habit (i.e., they are good at sniping).

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