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15a.
Distal segment of leg 5 with total of 3 spines and/or setae.
Question 16
15b.
Distal segment of leg 5 with total of 1 or 2 spines or setae (occasionally
Acanthocyclops venustoides
has 3 spines or setae, but the innermost and outermost spines are always shorter than the distal segment).
Question 17
