Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 296. Chironomini 193 Sergentia

296a. Anterior and median points of tergites III and IV of similar size (this distinction is best observed under low power); anterior band points grading in size to the median points generating the effect of a wide but indistinct band, broadly joined to the median patch. Darker exuviae with gold to brown combs on segment VIII Note Ci193.

Sergentia baueri

296b. Median points of tergites III and IV very small (almost invisible under low power), contrasting with the much larger points of the anterior transverse band. Pale exuviae with combs of segment VIII golden-yellow.

Sergentia prima
Decision path