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Using Collin's 1961 Empididae, I've keyed a fly to Rhamphomyia tibialis. It was a pretty good fit, with a small tuft of bristles in the right place on the side lamellae, and tergites 5-7 almost bare. But Collin describes the aedeagus of this species as "fairly stout", which doesn't fit my specimen. Can anyone tell from my sketch if it matches tibialis, please?

The fly was from a grassy clearing in a limestone cliff woodland in North Wales.

John Bratton