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Midge hatches are the thickest from February to November, and are found on almost all western streams and ponds.  They can be a very important hatch on the Yakima in the late winter and early spring.

Midge Adult

   Adult Midge

The midge tends to emerge in the slower sections of the river.  At times during mating, midges will develop in huge clusters.  Using a midge cluster pattern in sizes ranging from #10-14 will often take some very nice fish as they key in on the orgy of insects suspended on the surface of the water.

Double Parachute Griffiths Gnat...A great midge cluster pattern!

The life cycle of the midge lasts about a year.  Most species of midges are part of a multi-generation with the hatch cycle re-occurring 2 to 5 times in a season.

Midge Larvae

chironomid pupae

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