Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 190. Chironomini 87 Chironomus

190a. Posterior points of tergites III and IV little larger than the median points on the same tergite. Anal lobes with 2 broad-taeniate dorsal setae arising quite close together in the anterior third of the lobe.

Chironomus sororius

190b. Posterior points of tergites III and IV much larger than the median points on the same tergite. Anal lobes usually with only 1 taeniate dorsal seta.

Step 191. Chironomini 88 Chironomus
Decision path