Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 860. Orthocladiinae 271 Orthocladius

860a. Abdominal tergites II-VI(VII) nearly or completely covered with points between the lateral adhesion marks (072d.jpg). Thoracic horn thin-walled and fragile (072e.jpg). (Anal lobes with an extensive fringe of hair-like teeth (072f.jpg). Abdominal segments with a dark brown anterior transverse band continued posteriorly along the lateral adhesion marks, the rest of the tergites and sternites paler.)

Orthocladius vaillanti

860b. Armament of abdominal tergites much less extensive. Thoracic horn elongate, conspicuous.

Step 861. Orthocladiinae 272 Orthocladius
Decision path