Crawling along the world’s river bottoms, the larvae of the caddis fly suffer a perpetual housing crisis. To protect themselves from predators, they gather up sand grains and other sediment and paste ...

Crawling along the world’s river bottoms, the larvae of the caddis fly suffer a perpetual housing crisis. To protect themselves from predators, they gather up sand grains and other sediment and paste ...

Fly fishers have a lot of learning to do when it comes to all of the insects that tempt a trout. Of the four main insect groups — midges, caddis flies, mayflies and stoneflies — it is the stoneflies ...

Benjamin M. Stout III has harnessed the creative energy of thousands of insect larvae. In a 400-gallon “simulated stream ecosystem” in his West Virginia garage, about 3,000 caddis flies are ...

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