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Midge Larva
Pollution-Tolerant
Almost 2000 species in North America
Are found in all but the most polluted aquatic conditions
Presence in large numbers may indicate organic enrichment
Up to 1/2 inches long
One pair of tiny, fleshy legs below the head and one pair on the back end
The back end sometimes has a tin pair of extensions that look like brushes
A thin dark line (digestive tract) can be seen inside the body
Distinct, often dark head
