Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 679. Orthocladiinae 91 Psectrocladius

679a. Longest precorneal seta relatively shorter than in the next species, e.g. for exuviae 4.7mm long, with about 38 fringe taeniae, 120µm long. Anterior thorax distinctly brown, contrasting conspicuously with the nearly colourless abdominal segments; anal lobes more or less darkened apically. (Exuviae over 4.5mm long.)

Psectrocladius zetterstedti

679b. Longest precorneal seta relatively longer, e.g. for exuviae of the size given above, 165µm long.

Psectrocladius sordidellus
Decision path