Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 742. Orthocladiinae 154 Parakiefferiella

742a. Thoracic horn nearly covered with setulae, some of which are knobbed at the tip (057d.jpg). Segments II-VII with 5 lateral setae (057e.jpg); 6 on VIII. Median point patches are restricted to segments IV and V.

Parakiefferiella pe1

742b. IF thoracic horn with setulae, they are not knobbed. Abdominal segments with, at most, 4 lateral setae, short and straight. Median point patches present on segments II-V, II-VII, III-VI, III-V or V alone.

Step 743. Orthocladiinae 155 Parakiefferiella
Decision path