Online Entomology Course

Learn Your Bugs – Catch More Fish

Created by
The Catch and The Hatch

Bugs Covered in Our Entomology Course

  • midge adults


    Midges are present in a river and lake system year round making them a key insect to understand and identify when you’re on the water. Learn how to identify a midge in all stages, match it to a fly in your box and catch more fish. Includes tips on how to fish each stage of midge insects

  • Minnow_mayfly_nymph_Baetidae-960x636Mayflies

    Mayflies are the most diverse insect a fly fisherman needs to identify and understand. Learn the stages, flies to use, how to fish those flies and common hatches, colors and sizes to watch out for in the river and lakes around the world.

  • caddis nymph
    caddis nymph


    Caddis are an exciting and highly important insect to trout. Learn what stages hold the most importance to trout and how to match them to flies in your box. We also provide some critical tips to improve your presentation on the river.

  • stonefly nymph
    stonefly nymph

    Stoneflies & Terrestrials

    We cover the most exciting bugs to fish in this lesson – stoneflies and terrestrials. Though not alike in many ways, they are fun to fish and are known for producing great summer fishing. Learn about the elusive stonefly and the coveted terrestrials including patterns and tips on how to fish them.

  • Scud

    Scuds, Sowbugs & Annelids

    These insects are fully aquatic and don’t hatch, yet they hold a vital importance to a trout’s diet. Learn about the underworld life of scuds, sowbugs and annelids (worms) so you can catch more fish, especially on tailwaters.

  • Dragonflies, Damselflies and Water Boatman

    dragon dry
    dragon dry

    Fly anglers who love fishing lakes need to pay special attention to this lesson. However, if you prefer rivers, you’d be surprised how many of these insects reside in your local waters and are important to trout throughout the seasons. Learn the insects, patterns and tips on fishing them in this lesson.

  • Try the Introduction for Free

    Learn The Framework for Learning Any Insect On the Water

    Start Introduction
  • Start Catching More Fish

    Regular Price: $199.99

    Sale Price: $99.50

    Change the way you fly fish and start catching more fish

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Try the Introduction for Free

Learn The Framework for Learning Any Insect On the Water

Start Introduction

Try the Mayfly Lesson Free Too!

Lesson Two

Mayflies are arguably the most elegant insect of the fly fishing world. They vary in size and color and are a staple in the trout’s diet. As fly fisherman, we imitate this order with patterns like the parachute adams, adams dry fly, pheasant tail, comparadun, and the mercury baetis.

Start Lesson