Perla Bipunctata, Dinocras Cephalotes - Stoneflies
Perla Bipunctata, Dinocras Cephalotes - Stonefly
Size
Larvae: 16mm to 33mm
Adult: 16mm to 24mm
Distribution
Widely distributed other than central England, Southerm England and East Anglia
Season
May and June
Description
Nymph: Single tailed, strout brownish body with yellow markings. Large powerful jaws
Imago: Dar, soft bodied with almost black head and legs. Four shiny, hard wings which are heavily veined. The wings are held roof-shaped when at rest. The alderfly has long jointed antennae
Stoneflies are common waterflies that live in out of the way places. Most prefer fast waters. They vary in size from 15mm to almost 33mm!
