Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 207. Chironomini 104 Chironomus

207a. Armament of tergites rapidly diminishing in size anteriorly, e.g. on tergite III the points between the anterior adhesion marks very small, the patch appearing to evanesce anteriorly (102h.jpg). (Thorax small granulate anteriorly and dorsally as far as the anterior edge of the wing sheath. Pleura IV very sparsely spinulate or smooth.)

Chironomus aberratus

207b. Armament of tergites less strongly reduced anteriorly, e.g. on tergite III the points between the anterior adhesion marks still quite sturdy, the point patch appearing cut off anterior to the adhesion marks (102i.jpg).

Step 208. Chironomini 105 Chironomus
Decision path