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Mysterious Macroinvertebrate

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Uploaded by on Oct 1, 2008

While at two different stream locations students found this type of macroinvertebrate. They were unable to match it to any of the identification keys we were using. They are thinking it might be a riffle beetle larva or a caddisfly larva. How can we tell the difference between the two?

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  • riffle beetle larve

  • looks like a Hydropsyhidae? A net spinning caddis.

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