Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 859. Orthocladiinae 270 Orthocladius

859a. Median point patch and posterior transverse point bands of tergites II-VI broadly joined laterally and usually medially as well (072h.jpg). Anal macrosetae shorter than the anal lobes, curved into a semi-circle; lateral setae of segment VIII less than half the length of the segment.

Orthocladius pe11

859b. Median point patches and posterior transverse bands of tergites II-VI separated for their width by a narrow point-free band, or rarely narrowly joined far laterally (076g.jpg). Anal macrosetae as long as the anal lobes, sinuate, brittle; lateral setae of segment VIII over half the length of the segment (076h.jpg). 076-2.jpg species overview

Orthocladius ruffoi
Decision path