Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 273. Chironomini 170

273a. Thoracic horn many branched AND anterior transverse point band of tergites II-V separate from the median patch by a bare space or narrowly joined to it medially.

Step 274. Chironomini 171

273b. If thoracic horn many branched, anterior transverse point band of tergites II-V broadly joined to the median patch.

Step 281. Chironomini 178
Decision path