This is our standard Beetle pattern which imitates a wide variety of the most common terrestrial insects. A productive life like imitation of the Beetle. Most fly fishermen don't use enough terrestrials, these insects are around most of the year and are part of the staple died of most fish species. The Beetle can be found throughout Canada and the USA. The Beetle forms quite a large percentage of a trout's diet yet many fly fishermen have yet to use one.