Chironomidae Exuviae
MENU
Chironomidae Exuviae
Key: Step 50. Tanypodinae 36

50a. Thoracic horn without plastron plate, toothed, more or less parallel-sided, rounded at apex and usually with a conspicuous lateral swelling near base. (Anal lobes internally with a notch near apex bounded by a sharp tooth. Tergites armed with a dense mat of simple and branched spinules. 4 lateral taeniae on segment VII, 5 on VIII.)

Step 51. Tanypodinae 37 Arctopelopia

50b. IF thoracic horn without plastron plate and toothed, it is swollen either medially or apically.

Step 53. Tanypodinae 39
Decision path