Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 721. Orthocladiinae 133 Eukiefferiella

721a. Posterior teeth of tergites III-V short, only about as long as the bases of the hooks of the hook rows, not dense (051b.jpg). Lateral setae of segment VIII short and fine. Thoracic horn small, thin-walled and sac-like.
051-1.jpg species overview

Eukiefferiella coerulescens

721b. Posterior teeth of tergites III-V long, 2-3 times or more the length of the bases of the hooks of the hook rows, dense. Segment VIII with 1 long, thick lateral seta and another that is finer and shorter. Thoracic horn present but easily broken off.

Step 722. Orthocladiinae 134 Eukiefferiella
Decision path