Imitation....er....attractor pattern? This stonefly is a great blend of attractor components and lifelike features. 

Whether you are trying to fill a box for saltwater or warm water, this baitfish pattern is a great place to start.

Tied on a jig hook, this October Caddis pattern is perfect for fishing under an indicator or tight-line nymphing.

Originally tied as a low-riding caddis dry fly, this is the El Vato Nymph: a quick-sinking bug that comes together with a few creatively used materials.

Hot-headed attractor pattern.  This is a great little fly that looks something like a Bird's Nest... and nothing really like a Bird's Nest.

An attractor pattern that most closely resembles a PMD or other mayfly. 

A simple little Rhyacophila Caddis nymph. This is tied on a competition-style hook and can easily be embellished with a little extra flare.

Anglers love this Stimulator pattern because of its effectiveness and versatility.  It's a great searching pattern when you're unsure of what trout are targeting, and it floats well enough to hold up a nymph tied on as a dropper rig.

Perdigon flies were made popular by Spanish competition anglers because they sink quickly and catch a lot of fish.  Learn to tie the Perdigonish fly here.