When I first started fly fishing I never gave enough credence to the importance of bugs. Now, I think you can’t know too much about bugs. I’m a firm believer that it’s a good idea to “check out the bugs” in the river nearly every time you fish, especially if you’re doing a lot of nymph fishing.  Dave and I were on the Crooked River last week fishing a spot we fish often and started with a bug sampling.  We have a small net that is about 15″ x 15″ that one of us holds in the water while the other turns over rocks upstream.  We then transfer the bugs in the net to a white bowl that aids in viewing and identifying.  For the particular spot we sampled, there were very nigh numbers of olive/tan scuds in sizes ranging from about #18 to #10, as well as black mayfly nymphs that were about #18 and #16 in size.  We both used euro-nymphing techniques for our fishing for the day.  Using #14 and #16 gold or tan scuds, #18 Psycho Mayfly nymphs, and #16 Black Beauties produced a lot of rainbows in the 6″ to 14″ range.  So, knowing the bugs in the water and matching those bugs certainly helped us.  Here are a few photos of the day.

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Look at the diversity in bugs on the Crooked River.

 

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A closer look at the PMD (Black) Mayflies, a scud, and then a small BOW.

 

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The flies that enticed a good number of fish

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A nice 14 inch rainbow – I was able to convince my fly was the real bug!

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