Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 771. Orthocladiinae 183 Eurycnemus

771a. Exuviae large, about 10mm long. Abdominal tergites with the posterior transverse tooth row set on the apices of longitudinal cuticular ridges (060c.jpg). Anal lobes with 4-5 apical taeniae (060d.jpg). 060-1.jpg species overview

Eurycnemus crassipes

771b. Exuviae smaller, less than 6mm long. Abdominal tergites without longitudinal ridges posteriorly. Anal lobes without taeniae; with 3 apical setae which may be very reduced and difficult to see.

Step 772. Orthocladiinae 184 Krenosmittia
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