Specieswatch: will population of nasty Cleg fly surge again?

Last summer's heatwave resulted in an unwelcome rise in the number of Haematopota pluvialis A chemistry master at school was universally known by the nickname Cleg, at least when he was out of earshot. When quizzed, older pupils revealed that a Cleg, Haematopota pluvialis, is a particularly nasty form of fly that you do not notice until pain alerts you to the fact it has cut a hole in your skin and started to suck your blood. Continue reading...