Caddis nymphs

Like may fly nymphs and the nymphal- or larvae stage of any insect, the adult part of the life cycle is the shortest. The large mayflies can live for days, the smallest perhaps only for a hours. Caddis are generally the same – the larger species can live for several days, the smaller just a few days. After mating and egg laying they both die and become spent spinners – a stage off the life cycle the fish know well, since they are easy prey, unable to escape.

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