Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 878. Orthocladiinae 289 Paratrichocladius

878a. Tergites III-V with the median transverse point band medially arched (convex anteriorly, concave posteriorly); the median part of this transverse band on tergite III is situated in the 2nd quarter of the tergite leaving the 3rd quarter between it and the posterior band free of points; the median patch of tergite VI is often not concave posteriorly.
Note Or289. 080-2.jpg species overview

Paratrichocladius rufiventris

878b. If tergites III-V with the median point band evenly arched forwards, then nearly the whole band is situated in the 3rd quarter of the tergite. 4-5 lateral setae on segment VIII; if 5, and the 4th and 5th more or less equal in size, then frontal setae present.

Step 879. Orthocladiinae 290 Paratrichocladius
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