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: $89.00

    Change the way you fly fish and start catching more fish

    Buy Now for $89.00

This Course Will Change the Way You Fish

This comprehensive and practical course will teach you the secrets guides use to time and time again catch more fish. This knowledge will help you catch more fish every time you’re on the water.

  • Learn Your Bugs

    We’ve built 115 pages of content including charts, diagrams and some of the most stunning macro photography of the bugs that trout eat to teach you how to identify any insect and match it to a fly in your box. We also have over 50 fly patterns for you to see to improve how you buy or tie flies.

    We cover midges, mayflies, caddis, stoneflies, terrestrials (hoppers, ants, beetles), scuds, sowbugs, annelids, dragonflies, damselflies, water boatman and even dive into a few more specific species of interest. Trust me, we cover EVERYTHING :).


    Take the course at your pace and as many times as you’d like until you’ve mastered the info. Course comes with a PDF download as well as forever access online.


    Get a free bug seine that goes over any standard net to help you catch insects streamside. ($25 value – free with course)

    You’ll also get three, 50% off coupons to use in our fly shop to help you match the hatch at insanely low prices. ($125+ value – free with course)

Regular Price: $199.99

Sale Price: $89.00

Change the way you fly fish and start catching more fish

Buy Now for $89.00

Try the Introduction for Free

Learn The Framework for Learning Any Insect On the Water

Start Introduction

Fly Fishing Entomology Course

Online & PDF Course

Regular Price: $199.99 || Sale Price: $89.00

Active Students

In Over 7 Different Countries
  • Start Catching More Fish

    Ask any guide, fly shop owner, or respectable fly fisherman and they’ll tell you that knowing the bugs will help you catch more fish day in and day out.

    Learn the secrets that guides have been using for years to catch more fish every time you’re on the river. Our online entomology course teaches you how to catch more fish by understanding your bugs and using the correct flies for any occasion.

  • What You’ll Get with The Course

    • Online, Multi-Media Course – Get forever access to the course
    • Downloadable PDF Version available for offline viewing
    • Free bug seine (mailed to you) to catch insects above and under the water for easy identification
    • Three, 50% off coupons to our entire site

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