Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 774. Orthocladiinae 186 Heleniella

774a. Apical transverse bands of tergites II-IV with the basal swellings of the points expanded and their points in general missing, giving the appearance of a band of irregular granules (061d.jpg). Anterior transverse bands of tergites II-IV broad, especially medially, of isolated sturdy points. (Sternite I with a nearly circular patch of strong points on each side in the region of setae V3 and V4, which they may embrace.)

Heleniella dorieri

774b. Apical transverse bands of tergites II-IV composed of unmodified points (061c.jpg). Anterior transverse bands of tergites II-IV narrow, of scale shagreen.

Step 775. Orthocladiinae 187 Heleniella
Decision path