Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 341. Chironomini 238 Microchironomus

341a. Abdominal sternite I without toothed mounds (111e.jpg). Sternite II with a well-developed anterior transverse band of spines or sharp teeth. (Antepronotum without a conspicuous dorsal mound.)

Microchironomus deribae

341b. Abdominal sternite I with antero-lateral toothed mounds. Sternite II anteriorly with at most a band of shagreen.

Step 342. Chironomini 239 Microchironomus
Decision path