Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 322. Chironomini 219 Polypedilum

322a. Anal lobes with a dense fringe of taeniae, without a dorsal seta. Comb of segment VIII a brown or golden-brown spur ending in a strong tooth with up to 3 small teeth externally and/or internally towards base (122i.jpg).

Polypedilum pedestre

322b. Anal lobes with fewer taeniae in a single row, with a dorsal seta. Comb of segment VIII of separate golden-yellow teeth OR a weak brownish spur with blunt teeth.

Step 323. Chironomini 220 Polypedilum
Decision path