Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 858. Orthocladiinae 269 Orthocladius

858a. Anal macrosetae not hooked at tip. Pedes spurii B absent. (All 5 lateral setae of segment VIII particularly conspicuous, nearly to over half the length of segment VIII, brown. Anal lobes with a lateral fringe of sparse hair-like teeth and strong apical teeth. Abdominal segments more or less evenly brownish.)

Step 859. Orthocladiinae 270 Orthocladius

858b. Apical setae of anal lobes shorter than the length of the lobes and usually hooked apically. Pedes spurii B II conspicuous.

Step 860. Orthocladiinae 271 Orthocladius
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