Tuesday, 14 February 2012
Alderfly
Scientific Name:
Sialis lutaria
Common Family:
lacewing
Scientific Family:
sialis lutaria
Length:
15-20mm Description
Easily recognised by its smoky wings, which have realtively few veins; these are dark and widely-spaced and do not fork at the tips. The adults, usually seen resting on waterside objects, rarely feed. They fly weakly when disturbed. The rather feathery, aquatic larva is highly predatory.
Distribution
most of europe
Habitat
edges of ponds and slow-moving streams
Diet
rarely feeds, but may nibble on algae and pollen grains.
Status
Common and widespread