Lesser diving beetle larva Acilius eating Backswimmer Notonecta nymph

A couple of weeks ago I noticed that the strange looking larva of the lesser diving beetle Acilius sp. (probably sulcatus) swimming around in a pond. I quick went and got a net and caught one, before taking it inside to photography in my aquarium set up. It is a fairly distinctive larvae with its…

Pygmy Backswimmer Plea minutissima, Water Flea and Limnephilus caddisfly larva

A few more recent pond photos today, taken in January. This particular dip turned up the first Pygmy Backswimmers in Wat Tyler Country Park, at least that I have seen. These small 3mm bugs, also known at ‘plea bugs’ (Pleidae), have only one species in the UK Plea minutissima, referred to as Plea leachi in…