Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 734. Orthocladiinae 146 Krenosmittia

734a. Apical projections of segment IX only as long as the anal segment (056f.jpg). Thoracic horn less than 200µm long short scaled, the scales ending in a sharp, sturdy point (056e.jpg). (Posterior transverse toothed mounds broken medially only on tergites III-V(-VI), continuous across tergite on (VI/VII)VIII.)

Krenosmittia boreoalpina

734b. Apical projections of segment IX very long, longer than the anal segment (056d.jpg). Thoracic horn elongate, narrow, closely transversely wrinkled and with minute points for most of its length (056b.jpg). (Posterior transverse toothed mounds medially broken on tergites (II)III-VII, continuous on tergite VIII.)

Step 735. Orthocladiinae 147 Krenosmittia
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