Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 929. Orthocladiinae 340 Cricotopus

929a. Thoracic horn over 3 times as long as broad, not obliquely truncate apically (089b.jpg). Dorsocentral setae of similar lengths, the 2nd thinner than the other three.
089-1.jpg species overview

Cricotopus bicinctus

929b. Thoracic horn broad, less than 3 times as long as wide, obliquely truncate apically (089k.jpg). Dorsocentral setae characteristic: the 2nd (150µm or more long) is at least twice as long as the 1st, which is in turn about twice as long as the 3rd, which is a little longer than the 4th.

Cricotopus vierriensis
Decision path