Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 274. Chironomini 171

274a. Cephalic tubercles with swollen base, with or without small conical apex and frontal seta. (If cephalic tubercles swollen, without conical apex and frontal setae surrounded at base by small points, see Synendotendipes, Page 260: Chironomini 157 Synendotendipes)

Step 275. Chironomini 172 Tribelos

274b. Anterior transverse point bands of tergites separated from the median patches by a bare space.

Step 276. Chironomini 173 Stictochironomus
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