Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 241. Chironomini 138

241a. Tergite II without armament (though occasionally represented by a short posterior band of small points). Thoracic horn much branched. (Comb of segment VIII an elongate sinuous thorn, occasionally 2, or 1-9 small transparent spines in the apico-lateral corner near the bases of the 4th and 5th lateral taeniae, or absent. Exuvial length 2.6-10.0mm.)

Step 242. Chironomini 139 Saetheria

241b. Tergite II with median and/or anterior transverse point patches well-developed, or exuviae about 3mm long and thoracic horn of less than 10 branches.

Step 256. Chironomini 153 Parachironomus
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