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Chironomidae Level 1 Level 2
"Midges" or "bloodworms" (ones w/ hemoglobin). Found everwhere, usually add 50% to the species diversity of any aquatic system. Elongate, C-shaped, and cylindrical. Prolegs w/ hooks on prothoracic & last abdominal segments.
|Tolerance||highly variable, from 0-10|
|Distribution||CA, OR, WA, NV, AZ|