Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 598. Orthocladiinae 10 Thienemanniella

598a. Tergites VI-VIII armed with elongate overlapping spinules, about 10µm long, very different in form to the points on tergites III and IV; on V the points are intermediate in size (035c.jpg).
(NOTE: Sternites VI-VIII are armed with small points.)

Thienemanniella vittata

598b. Tergites VI and VII armed with points no more than 5µm in length.

Step 599. Orthocladiinae 11 Thienemanniella
Decision path