Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 690. Orthocladiinae 102 Zalutschia

690a. Postero-lateral corner of segments VII and VIII with a dark embedded spine (043c.jpg). (Thoracic horn elongate with some small sharp points along its length or nearly smooth. Tergites II-VI(VII) posteriorly with a swelling covered with strong points, the remainder of the tergites extensively shagreened. Pedes spurii B absent. Lateral taeniae absent on abdominal segments. Anal macrosetae short, nearly straight.)

Zalutschia mallae

690b. Postero-lateral corners of segments VII and VIII without dark embedded spines.

Step 691. Orthocladiinae 103 Rheocricotopus
Decision path