Nais pardalis Piguet

Recognition

One or 2 dorsal hair chaetae are present. The dorsal needle chaetae are bifid, number only 1 or 2 and they are straighter than the ventral chaetae. The ventral chaetae on 2 to 5 are longer and dissimilar to those on segment 6. Some ventral chaetae from 6 with distal tooth longer than the proximal tooth, but not so thick and bent back as Nais bretscheri. Most Nais have eyes.


26 MAY 1996 D.L. Gustafson
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dlg@rivers.oscs.montana.edu