Sialidae Alder Fly Sialis Lutaria It can be found near ponds and streams with silted bottoms and an abundance of weed or plant detritus. It lays its eggs in large batches of 200 or more on plants or other objects at the water's edge. The larvae are aquatic, living amongst mud and detritus and preying on smaller insects
Pond Olive May Fly (Cloeon dipterum). They can live as nymphs for 2 month to two years. Often Living on plant material the nymph prefer clean water. Once emerged they fly for a short period. Very hard to ID. This is a common species.
Trichoptera Caddis Flies Huge group of 198 species very difficult to ID. Two broad groupds cased and caseless. This refers to the larvae stage that lives in water. Case less can be free swimming but more often make some form of shelter. Cased Cadis make a shell from material and in some cases these can be distinctive to genius level. Most water bodies have these in . The following wreall found in the canal and ponds around Elton Reservoir. Impossible to ID.
Plecoptera - Stonefly nymphs found in two fast running streams straight off the moor. These are an excellent indicator of clean water and like running water. ID by two tails instead of three as on most other fly nymphs. Two specific species reported to Manchester Nemurella picteti & N cinerea but these are not reported in Bury area on NBN Adults, never mind nymphs, need detailed examination for definitive species ID. 30 species in uk.