Davey, P., 2009: A species found across much of Britain, the larva living beneath the surface of ponds, lakes and more stagnant parts of rivers, and feeding on canadian waterweed (Elodea canadensis), pondweeds (Potamogeton spp.), stoneworts (Chara spp.) and filiform algae; respiration takes place through the skin. The female has rudimentary wings, although a fully winged form, larger than the male, is occasionally observed at light. The males fly vigorously over the surface of the water at... Read More

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