Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 837. Orthocladiinae 248 Pseudosmittia

837a. On tergites VI-VIII the median transverse band of small points is narrower than the anterior band of larger points; on VIII the median points may be missing leaving a transverse smooth band.

Pseudosmittia arenaria

837b. Anterior and posterior points of abdominal tergites considerably larger than the median points (071d.jpg); on VI-VIII the band of small points is as wide or wider than the anterior band of stronger points (070b.jpg).

Step 838. Orthocladiinae 249 Pseudosmittia
Decision path