The Top Secret Baetis is a simple, yet effective imposter of a tiny mayfly nymph. Trout eat Baetis nymphs year-round regardless of the conditions. The Top Secret Baetis is especially effective during the shoulder seasons when trout key heavily on mayfly nymphs prior to afternoon blue-winged olive hatches.
The Top Secret Baetis has a slim profile, a hint of segmentation in the abdomen, life-like legs, and a dark wing pad which is an important feature when imitating the mature nymph.