WHAT ARE NYMPHS?

Trout Fisherman (UK) - - Advice -

Strictly speak­ing, nymphs are the im­ma­ture stage of up­winged flies or dam­sel­flies that de­velop on the lakebed be­fore swim­ming to the sur­face, or in the case of dam­sel­flies, to the shore, be­fore emerg­ing into a winged adult form. Other species like buzzers (chi­rono­mids) or sedges don’t tech­ni­cally have a nymphal stage and in­stead are re­ferred to as ‘pupa’. Things be­come more com­pli­cated when we con­sider the lar­vae stage of sedges (cased cad­dis) and the alder larva. If that’s not enough, bolted on are the likes of truly aquatic crea­tures like corixa, fresh­wa­ter shrimps and hoglice! Thank­fully, as an­glers, the whole lot can be bun­dled to­gether un­der the generic head­ing of ‘nymphs’. With that, nymph­ing can be ap­plied to a whole host of in­sects and bugs we aim to im­i­tate be­neath the waves.

Fresh­wa­ter shrimps.

Mayfly nymph.

Sedge pupa.

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