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The Bug Book: A Fly Fisher's Guide to Trout Stream Insects Hardcover – September 1, 2016
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Understanding aquatic insect hatches is like being able to cast an entire fly line. Do you need to cast that far to catch fish? Of course not. But will being able to cast a long distance inhibit your ability to catch fish? Never. Knowing where, and how, insects live and emerge gives anglers yet another piece of the puzzle. I've never heard a fly fisherman exclaim, “I probably would have caught those rising fish if I just didn't know so much about trout stream insects.”
You still need to cast. You still need to present flies in such a manner that fish will accept them. But though no one has ever failed to catch a trout because they knew too much about aquatic insects, plenty of anglers have not caught as big a fish, or as many fish as they could have caught, because they failed to understand the importance of matching a hatch. This is particularly true when fishing for large, wild, selective trout―the ones we all really want to catch.
In this book, I try to relieve some of the reticence about trout stream insects that makes many anglers feel inadequate and uneasy. Many excellent books provide very detailed information about specific hatches. But that's not this book's goal. This book is written for new anglers who want a basic understanding of aquatic insects or more seasoned fly fishers who want to take their skills to the next level; those who want to know not only if their flies will work but why they'll work as well. I remember when I was first learning to fly fish, and I read about complicated Latin names or confusing stages of aquatic insect development. I was lost. It was as if the whole fly fishing world was born knowing about these things, and I was left out. This book's aim is to provide basic aquatic insect knowledge that will not only help you to understand more about trout stream insects, but it will also help you catch more trout on your next fishing trip. It will help you to understand why you should tie one fly to your leader rather than another to imitate the hatches you encounter.
- Print length118 pages
- LanguageEnglish
- PublisherHeadwater Books
- Publication dateSeptember 1, 2016
- Dimensions5.76 x 0.43 x 8.73 inches
- ISBN-109781934753422
- ISBN-13978-1934753422
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Editorial Reviews
Review
As a result, the fly-fishing world was in need of a modern, comprehensive aquatic food guide. Fly Fisherman contributing editor Paul Weamer answered the call with this: the most up-to-date match-thehatch guide fly fishers have available today and it’s all digital in a full-color, transportable, convenient format that costs just $10. More important, Weamer breaks down the barriers between amateur and entomologist in a conversational tone, and explains when and why identifying insects can be both fun and practical. This is no snobby “upstream, dryfly- only” book about just aquatic insects. Weamer starts with the limnology of rivers and stillwaters, helps you understand the characters of everything from spring creeks and freestone rivers to reservoirs and ponds, and from there extrapolates to how the food base thrives and supports diverse trout populations. From scuds and sow bugs to aquatic worms and crane flies, you’ll learn how to identify what you’re seeing on stream, and the best options for imitating it. Weamer—as we know from his many years as a guide on the Delaware River, his eloquent essays in Fly Fisherman (most recently “A Century of Fishing the Hendrickson Hatch” in the June-July issue), and his many previous publications is one of the brightest minds in fly fishing today—and a passionate spokesman.
Let’s hope he’s got more books like this in store. -- Ross Purnell, publisher/editor of Fly Fisherman magazine ― Fly Fisherman
About the Author
Paul is one of the founders of the Friends of the Upper Delaware River (FUDR) and the 2009 winner of FUDR's Upper Delaware "One Bug" tournament. He received the 2011 Upper Delaware Council's Recreation Award for his book, The Fly Fishing Guide to the Upper Delaware River. Paul's book, The Bug Book, was featured as Amazon's third highest customer-rated fly fishing book by wideopenspaces.com. Paul is an accomplished photographer, specializing in aquatic insect macro photography and his photos have appeared in many books and magazine articles.
Paul, his wife Ruthann, and their English Mastiff Olive live in Paradise Valley, Montana, where Paul writes and guides fly anglers in the legendary trout waters that flow through Yellowstone National Park and Southwestern Montana.
Reach Paul through his website: weamerflyfishing.com and email: weamerflyfishing@gmail.com
Product details
- ASIN : 1934753424
- Publisher : Headwater Books (September 1, 2016)
- Language : English
- Hardcover : 118 pages
- ISBN-10 : 9781934753422
- ISBN-13 : 978-1934753422
- Item Weight : 2.31 pounds
- Dimensions : 5.76 x 0.43 x 8.73 inches
- Best Sellers Rank: #46,519 in Books (See Top 100 in Books)
- #27 in Fishing
- Customer Reviews:
About the author

Paul Weamer is a Fly Fisherman magazine contributing editor and the author or co-author of several fly fishing books. He is a licensed Montana fishing guide, former New York State licensed fishing guide, and the owner of Weamer Fly Fishing, LLC. Paul has managed fly shops and guide services in New York, Pennsylvania, and Montana and has been a production fly tier as well as a contract fly designer for Montana Fly Company. He is also the designer of the Daiichi Hook model #1230, Weamer's Mayfly Hook
Paul is one of the founders of the Friends of the Upper Delaware River (FUDR) and the 2009 winner of FUDR's Upper Delaware "One Bug" tournament. He received the 2011 Upper Delaware Council's Recreation Award for his book, The Fly Fishing Guide to the Upper Delaware River. Paul's book, The Bug Book, was featured as Amazon's third highest customer-rated fly fishing book by wideopenspaces.com. Paul is an accomplished photographer, specializing in aquatic insect macro photography and his photos have appeared in many books and magazine articles.
Paul, his wife Ruthann, and their English Mastiff Olive live in Paradise Valley, Montana, where Paul writes and guides fly anglers in the legendary trout waters that flow through Yellowstone National Park and Southwestern Montana.
Reach Paul through his website: weamerflyfishing.com and email: weamerflyfishing@gmail.com
Customer reviews
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Learn more how customers reviews work on AmazonCustomers say
Customers find this book informative and helpful for learning about bugs for fly fishing. They find the writing clear and easy to understand. The book provides a good introduction to basic types of insects and flies for trout. It includes great pictures and illustrations. Many customers feel it's worth the money and useful for new anglers. The organization is well-thought-out, and the book provides ideas for tying your own fly patterns.
AI-generated from the text of customer reviews
Customers find the book informative and helpful for both amateur and experienced fishermen. It provides the basics and a practical guide for friendly bugs along the river. The book covers important hatches and the best flies to imitate them. They appreciate the clear explanations of terms and reasonably complete coverage from West to East. Overall, it helps readers become more knowledgeable about trout food.
"This book has been a great read. It has a lot of information but each time I read it I try to focus on a certain layer of information through out..." Read more
"...Overall the book was informative enough that I will catch more fish and stop guessing so much on the river, streams, and lakes in California...." Read more
"...There are facts and tips everywhere...." Read more
"...the various aquatic insects, their life stages and how to fish for trout with this knowledge...." Read more
Customers find the book easy to read and understand. They appreciate the clear prose style and great photos that make identification simple. The book makes an impossible subject more relatable without being dry or overly detailed.
"Great details regarding what the fish might be looking for, especially when they don’t like what you are presenting to them...." Read more
"This is well organized and written...." Read more
"...This book gave a well thought out presentation that was easy to understand. It also informs you of how to use this knowledge." Read more
"...Well organized and easy to read. Gives the basics which many of us forget over time so maybe all fly fishers would benefit from reading its content." Read more
Customers appreciate the book's bug knowledge. They find it provides a clear introduction to aquatic insects and flies. The book covers terrestrial insects and other bugs, making it a useful guide for fly anglers.
"This book was perfect for me as I wanted to get a basic understanding of the various aquatic insects, their life stages and how to fish for trout..." Read more
"...He systematically analyzes the bugs that are important as trout food through out north America and puts them into classes which one can determine..." Read more
"It was a good book for what it covers. Still looking for the perfect bug book that shows the three states of each bug followed by the flys that you..." Read more
"Super awesome images of real and imitation bugs Excellent for beginner fly anglers...." Read more
Customers appreciate the book's pictures and illustrations. They find the presentation clear and well-thought-out.
"...This book gave a well thought out presentation that was easy to understand. It also informs you of how to use this knowledge." Read more
"...He provides useful and easy understand tables an excellent photos one can use to predict what insects to expect how to identify them and which..." Read more
"A well written book with terrific photography, I'd recommend it for anyone starting out with fly fishing and tying...." Read more
"Super awesome images of real and imitation bugs Excellent for beginner fly anglers...." Read more
Customers find the book useful for those new to trout fishing. It provides good value for the money, but some readers may wish it had more advanced information.
"...Well worth the small price of admission." Read more
"This book is well worth the money. It takes a subject that could be very dull and dry and makes it interesting and relatable...." Read more
"This book will have value to those new to trout fishing, but more advanced readers will wish to go for something more like Matching Major Eastern..." Read more
"...I definitely feel like I got my money's worth and learned a bunch as intended" Read more
Customers appreciate the book's organization. They find it well-organized and useful.
"This is well organized and written...." Read more
"...Well organized and easy to read. Gives the basics which many of us forget over time so maybe all fly fishers would benefit from reading its content." Read more
"I read it in a day. It’s packed information but organized well so that it’s not overwhelming...." Read more
"Easy to read. Well organized. Not as comprehensive as I was expecting. Excellent photos." Read more
Customers find the book helpful for getting ideas for tying their own fly patterns. They say it's an easy-to-read guide to better understand the fly patterns we use. The book also gives them an idea of the patterns and sizes they would want to include in their fly boxes, as well as important hatches and the best flies to imitate them.
"...The book also gives you an idea of the patterns and sizes you would want to include in your fly boxes on the stream, including photos and basic..." Read more
"An interesting and easy-to-read guide to better understand the fly patterns we use...." Read more
"...I have enjoyed the science behind the entomology and the art of tying flys." Read more
"...Tells what are the truly important hatches and the best flies to imitate them." Read more
Reviews with images

I've been cluelessly fly fishing for months: this 106 pg book is full of essential clues.
Top reviews from the United States
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- Reviewed in the United States on February 11, 2024This book has been a great read. It has a lot of information but each time I read it I try to focus on a certain layer of information through out the book and then read it again with a different intention...as I do with most books.
- Reviewed in the United States on April 29, 2024Great details regarding what the fish might be looking for, especially when they don’t like what you are presenting to them. I will refer back to sections in the future.
- Reviewed in the United States on August 25, 2020I read the book in one day (roughly around 100 pages). The first half of the book, I was confused on how each fly corresponds to fly patterns. Sounds kind of redundant but I wish each time a fly was shown it showed type of flies that mimic it. Especially when rating them on how effective they are in the east coast and west coast.
The second half of the book had a little better correspondence and shows some fly patterns and their respective bugs which was nice.
Thirdly, I wish the book broke the bugs down by state or major rivers instead of saying New York area for east coast and Montana for west coast area.
Finally I wish they had rough estimates of hatch charts by season or month.
Enough negative: I did love the ending of the book saying how certain bugs are horrible on still water, rapids, and other stuff. Definitely made me realize most of the flies I bought caught me and probably won’t catch many fish.
Overall the book was informative enough that I will catch more fish and stop guessing so much on the river, streams, and lakes in California. I would recommend this book to beginners and people before they go shopping at fly fishing stores.
- Reviewed in the United States on July 24, 2020This is well organized and written. Each chapter flows to the next, and you may read about the East and Midwest US regions even though you live out West: I did. There are facts and tips everywhere. I've got ankle surgery in a few days so no fishing until fall: I'm using this book to pick which patterns to tie until then. For the first time in 4 months I know what each pattern is for, when to use them, and how to group them (mayfly, caddis, stone, alts) and (dry, wet, nymph), in my box. I'll need a "Fish fear me" t-shirt.
5.0 out of 5 starsThis is well organized and written. Each chapter flows to the next, and you may read about the East and Midwest US regions even though you live out West: I did. There are facts and tips everywhere. I've got ankle surgery in a few days so no fishing until fall: I'm using this book to pick which patterns to tie until then. For the first time in 4 months I know what each pattern is for, when to use them, and how to group them (mayfly, caddis, stone, alts) and (dry, wet, nymph), in my box. I'll need a "Fish fear me" t-shirt.I've been cluelessly fly fishing for months: this 106 pg book is full of essential clues.
Reviewed in the United States on July 24, 2020
Images in this review
- Reviewed in the United States on November 14, 2024Product was delivered on time and in great shape.
- Reviewed in the United States on March 15, 2019This book was perfect for me as I wanted to get a basic understanding of the various aquatic insects, their life stages and how to fish for trout with this knowledge. The book also gives you an idea of the patterns and sizes you would want to include in your fly boxes on the stream, including photos and basic recipe. Read it from cover to cover in about 1 week. I am sure my fishing experience will improve with this knowledge.
- Reviewed in the United States on August 13, 2020I have been fly fishing for over 20 years and never learned anyway near enough about entomology as I should have. This book gave a well thought out presentation that was easy to understand. It also informs you of how to use this knowledge.
- Reviewed in the United States on September 21, 2020Not as good as the Western guide book
Top reviews from other countries
- JanReviewed in Canada on January 11, 2022
5.0 out of 5 stars Detailed. Informative.
As above
-
VICTOR HUGO CABEZASReviewed in Spain on May 17, 2021
3.0 out of 5 stars Buen libro
Buen libro que ayuda a entender la entomología de ríos.
-
Amazon カスタマーReviewed in Japan on August 14, 2018
5.0 out of 5 stars 正統派のフライフィッシングテキスト
表紙のタイトルと写真からは想像できない、実に正統派の内容であり、作者自身の経験談も織り込まれていて文章に説得力があります。
いわゆるフライパターンブックでも入門書でもありませんが、水生昆虫とフライを理解する上での基本的なことが書かれています。
そういった意味では、"基本のおさらい"にはうってつけであり、中級者以上なら"知っていなければならない"内容となっています。
なお、キャスティングについてはほとんど書かれていませんので、念のため。
アメリカでのハッチチャートは、渡米しない日本人フライフィッシャーには参考にならないかも知れませんが、体系的な考え方は参考になるはずです。
藤の花が咲く頃には○○カゲロウの羽化が始まり・・・こういった考え方に国の差はないということでしょう。
A parachute's post or wing is less visible to fish.・・・この1文には賛同しかねますが、長辺20cm程度の小さな本だけに贅肉がなく、本当にコンパクトにまとめられています。
この内容で$19.95なら納得。
もし、渡米を予定しているのなら、読んでから行くと現地ガイドとの意思疎通の助けとなるでしょう。
それにしても、なぜ表紙がストーンフライなのか、謎です。
- Kevin G DeeksReviewed in Canada on September 25, 2020
5.0 out of 5 stars Enjoyed every page.
I'd recommend this book to all fly fishermen. Well written and illustrated. A great deal of information in a small book.
- Dave CrossmanReviewed in Canada on February 29, 2020
4.0 out of 5 stars Lots of information
Very well written book with lots of information but I just wish it had more information on eastern Canada