Stoneflies are extremely vulnerable to trout when they shed their exoskeletons and are temporarily whitish-yellow in color, and it’s no secret that blonde stonefly nymphs are on the end of many fly ...

The baetis nymphs found in Colorado river systems can range in size from 16 to 22, so carry a variety of sizes to match. You'll notice that as it gets later in spring and the annual runoff ...

The BMW Foam Top RS2 Flies don’t have to be super-exact, and we dub this fly the BMW because it imitates “baetis, midges, whatever.” Simply tied in gray or black versions with a square-cut white foam ...

Baetis will be slightly larger on the Colorado and Roaring Fork rivers (size 18 to 20) and are smaller on the Fryingpan (size 20 to 22). Many of us fish a dry-fly followed by and emerger or nymph, as ...

We studied antipredatory responses of lotic mayfly (Baetis) nymphs in a factorial experiment with four levels of fish presence: (1) a freely foraging fish (the European minnow, Phoxinus phoxinus), (2) ...