Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 615. Orthocladiinae 27

615a. Abdominal tergites II-VI with a median transverse row or narrow band of strong points (038d.jpg). Pedes spurii B absent. Precorneal setae thin, not set on tubercles or mounds.

Step 616. Orthocladiinae 28 Paracricotopus

615b. Tergites III-VI may have short transverse bands of points in mid-segment, but then pedes spurii B on segment II conspicuous and precorneal setae large and set on individual tubercles or a common mound.

Step 618. Orthocladiinae 30
Decision path