Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 206. Chironomini 103 Chironomus

206a. Lateral shagreen bands of sternite III evanescing anteriorly (usually reduced to a median patch), not extended mediad. Distinct granulation extending posteriad further, still discernible on each side of the oblique hinge line to the scutal hump, where about three small granules project.

Chironomus longistylus

206b. Lateral shagreen bands of sternite III long and spread inwards anteriorly. Thoracic granulation grading into reticulation sooner: above the oblique hinge line towards scutal hump evanescent and below, reticulate.

Chironomus crassimanus
Decision path