Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 920. Orthocladiinae 331 Cricotopus

920a. Point patches also present on tergite VII (and often on tergite VIII as well). Inner anal macroseta weaker than the other two. (Pedes spurii B present on segment II. Thorax smooth.)

Step 921. Orthocladiinae 332 Cricotopus

920b. Point patches absent on tergites VII and VIII. Anal macrosetae more or less equally strong.

Step 922. Orthocladiinae 333 Cricotopus
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