Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 354. Chironomini 251 Cryptochironomus

354a. Pedes spurii B of segment II absent or small. Granulation of antepronotum of larger granules (10µm or more), which may be fused to form contorted ridges.

Step 355. Chironomini 252 Cryptochironomus

354b. Pedes spurii B of segment II well developed (sometimes obscured by squashing on slide). Granulation of antepronotal region of thorax of small distinct granules (8µm or less across).

Cryptochironomus defectus
Decision path