This caddisfly has wings covered in white specks and a distinct white blotch on a dark brown ground colour, although patterning can vary between individuals. Length 5 to 14mm.
It flies May to September, and it is found near stream and rivers, and other flowing water courses. It is attracted to light. Common and widespread.
The larvae of this species spins cup-shaped nets to gather floating organisms and debris to feed on in the water.
Photographs taken July 2013, rear garden, Staffordshire. Camera Nikon Coolpix P500. © Pete Hillman 2013.