Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 662. Orthocladiinae 74 Psectrocladius

662a. Exuviae 7-9mm long. Usually no point patches on tergites III-VI; occasionally incipient patches present. Thoracic horn with coarse scaling (047e.jpg).

Psectrocladius obvius

662b. Exuviae 5.3-6.3mm long (m=5.8mm, n=9). Tergites III-VI with nearly circular median point patches, sometimes not very distinct from the surrounding armament (fig. a). Thoracic horn with small, dense scales (047b.jpg).
047-1.jpg species overview

Psectrocladius platypus
Decision path