Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 630. Orthocladiinae 42 Euryhapsis

630a. Anal lobes strongly narrowed in apical half. Posterior transverse bands of points conspicuously brown. Fringe taeniae relatively shorter, less than 3/4 the length of the lobes (064e.jpg). (Thoracic horn coarsely toothed marginally, unarmed or nearly so between, strongly curved at apex.)

Euryhapsis pe2

630b. Anal lobes rounded. Posterior transverse bands of points pale. Fringe taeniae relatively longer, over 3/4 the length of the anal lobes. (Thoracic horn missing, or absent?)

Euryhapsis pe2a
Decision path