Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 856. Orthocladiinae 267 Orthocladius

856a. Anal lobes drawn out posteriorly into an inwardly curved point. Anal macrosetae long, flexible and tapering to their tips (074k.jpg). (Tergite II with extensive armament. Hook row II meagre. Pedes spurii B absent.)
074-2.jpg species overview

Orthocladius lignicola

856b. Anal lobes not drawn out into a point, but may be furnished apically with 1 or more teeth. Apical setae of anal lobes less flexible, usually hooked at apex.

Step 857. Orthocladiinae 268 Orthocladius
Decision path