But who's eating whom?

I'm about to go for lunch with Sheol and Cathy, but while I wait for Janet I slip into the garden and find these two locked in mortal combat. At first I thought it was simply a fly in a web, but I looked closer, and then closer.

I think I've determined the long fly with the bushy eyebrows is a male Chironomidae but I've not really a clue. Google is marvellous. This was the best shot I could grab before they both dropped suddenly into the grass below.

Not the shot I thought I'd take for today. But after all, it's Tiny Tuesday! Greg, you've a day off. A bit noisy, perhaps, but not bad in Large. Unless you're squeamish. In which case, thumbnail... why are you even here!