feathery external gills

What Is A Mayfly Nymph?

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mayfly larvae (also called naiads or nymphs) are slender and soft-bodied, like adults, though they lack wings, have a series of leaflike or feathery external gills attached along the sides or on the top rear portion of the abdomen, have smaller eyes than adults, and often have a flattened head that helps them to adhere. … Read more

Is The Green Drake A Mayfly?

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green drakes are the largest mayflies that provide fishable hatches in our fast local rivers. In the Pacific Northwest region, look for them toward the end of the giant stonefly hatches; May & June on most rivers, but some spring creeks such as Oregon’s Metolius River has strong late summer hatches as well.. What is … Read more