Chironomidae Exuviae
MENU
Chironomidae Exuviae
Key: Step 39. Tanypodinae 25 Derotanypus/Psectrotanypus

39a. Struts across the horn atrium broad and obvious even when the horn is flat (012b.jpg). The minute spinules of tergites and sternites tending to be arranged in groups of 2 or 3, and in places in transverse rows.
012-1.jpg species overview

Derotanypus sibiricus

39b. Struts across the horn atrium very narrow, showing up in surface view as dots, best seen in side view (011b.jpg). The minute spinules of tergites and sternites mostly single.
011-1.jpg species overview

Psectrotanypus varius
Decision path