Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 888. Orthocladiinae 299

888a. Anal macrosetae at most 0.4 the length of the anal lobes. Thoracic horn absent. Tergite armament not, or slightly, extending past anterior adhesion marks into the anterior corners of the tergites.

Step 889. Orthocladiinae 300 Halocladius

888b. If anal macrosetae less than 0.4 the length of the anal lobes and thoracic horn missing, then the tergite armament extends past the anterior adhesion marks into the anterior corners of the tergite at least on segments III and IV.

Step 893. Orthocladiinae 304 Cricotopus
Decision path