Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 626. Orthocladiinae 38 Heterotrissocladius

626a. Wing sheaths with pearl row. Pedes spurii B II absent or weak. (Exuviae about 5.5-6mm long, with points on tergites short, giving a finely dotted appearance (as in Heterotrissocladius marcidus) but with only 3 lateral taeniae on segment VII (as in Heterotrissocladius grimshawi). Anal lobe with 19-25 fringe taeniae.)

Heterotrissocladius subpilosus

626b. Wing sheaths without pearl row. Pedes spurii B II well-developed.

Step 627. Orthocladiinae 39 Heterotrissocladius
Decision path