Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 862. Orthocladiinae 273 Orthocladius

862a. Posterior point band on tergite III extending further laterally than the apical band (077i.jpg ). All, or most, of the setae on sternite III forked or branched, this occurring to a lesser extent on sternites II and IV.
077-2.jpg species overview

Orthocladius rivinus

862b. Posterior transverse point band on tergite III not extending further laterally than the apical band. Forked or branched setae rare and usually confined to the apical segments.

Step 863. Orthocladiinae 274 Orthocladius
Decision path