Serratella ignita (BWO) fly fishing
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The body size can vary between 6-7 mm upto 1 cm. The body length of the samples that I collected during this hatch was comprised between 6.5 and 7 mm. The imitation of the subimago (dun) is probably the most fruitful and enjoyable, as it is used during the hatch on rising fish. (Picture: S.ignita subimago female, B.W.O.)