Everything you need to know about catching trout on stonefly imitations including the various families of stoneflies, where they are found, when & how the trout feed on them and how to go about imitating them. 80 min. This fly fishing video teaches you everything you need to know about catching trout on stonefly imitations including the various families of stoneflies, where they are found, when and how the trout feed on them and how to go about imitating them. It is the most complete fly fishing dvd ever done on this subject. Everyone loves to fish the larger, easy to see and easy to identify stonefly imitations. Presented correctly, at the right time and place, stonefly imitations can account for some of the largest trout taken. The stonefly nymph and adult stages of all the important species of stoneflies life cycles are covered. It includes scenes from stonefly hatches most anglers have never witnessed. All the proven techniques that bring success in imitating these flies are demonstrated in this fly fishing video. Of the various stages of the stonefly’s life, the nymph is most important. By far, more stonefly, nymphs are eaten by trout than the full, grown adults. Most of all, in terms of importance, is the presentation of the stonefly nymph. Generally speaking, if you are fishing on or very near the bottom, you are fishing correctly. If not, it may not matter at all how close the imitation is, you are probably not going to do well at all. This fly fishing dvd shows you how to go about catching trout on imitations of both stages of life. Genus: Isoperla: S 801 Yellow Sally The Isoperla genus contains two specie that are very important. The bilineata species is called the “Yellow Sally”. It is a clinger nymph that lives one year. It prefers slow to medium currents. It has yellow wings and a yellow body. Genus: Isogenoides: Another example of the "Yellow Sally" is the genus, Isogenoides, which includes three specie that can be important. The olivaceus species is commonly called the “Olive Stone” and sometimes a “Yellow Sally”. The nymph is a clinger that lives for a year. It prefers slow to medium current. It hatches in the middle of the day. Olive Stones have a yellowish-brown body with gray wings.