Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 519. Tanytarsini 160 Micropsectra

519a. Only 1 lateral taenia on segment IV. Tergites IV and V without lateral longitudinal spine or point bands, the position of those on tergite IV marked by a brown band in the cuticle (146g.jpg). Hook row II short, less than 0.4 the width of the segment. (Pedes spurii B well-developed on segment II.)

Micropsectra pe4

519b. 2 or 3 lateral taeniae on segment IV. Tergites IV and V with a band of small points spreading from near the anterior transverse point patches towards the posterior margin on each side. Hook row wider, over 0.4 the width of the segment.

Step 520. Tanytarsini 161 Micropsectra
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