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Donny's Substack

Helping to decode the incredibly diverse aquatic insects we aspire to imitate with our flies through the lens of a PhD aquatic ecologist.

Newsletter · By Donny Benkendorf · Official site

Indexed issues, last 90 days
2
Latest publication
Aug 15, 2026
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Jul 11, 2026
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Latest issues

  1. Issue · Aug 15, 2026

    A Note on Aquatic Insect Egg-Laying Behavior (opens the original)

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    <img alt="AI generated image" class="sizing-normal" height="632" src="https://substackcdn.com/image/fetch/$s_!W1Ul!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F99949dba-d56b-4fd7-a32e-dad6a1a

  2. Issue · Jul 11, 2026

    What exactly is a Hellgrammite? (opens the original)

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    By appearance, a hellgrammite larva is a tough and dangerous looking creature. The drab brown larvae can reach lengths of a human finger and have mandibles with impressive bite strength (many anglers have the scars to prove it!).<img alt="" class="sizing-normal" hei

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