Rhynchelmis rostrata (Eisen)

Recognition

The prostomium terminates in a long proboscis and the chaetae are simple pointed like Eclipidrilus daneus, but the atria lacks spiral muscles and the spermahecae are in segment 8. It is most similar to Rhynchelmis elrodi, but the gonopores are single and penes are bulbous.

Summary

A large worm reaching about 100 mm.

Distribution

This species has not yet been seen in Montana. It is a western nearctic species reported from California, Nevada and Wyoming.

06 MAY 1996, updated on 29 DEC 1996 D.L. Gustafson
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dlg@rivers.oscs.montana.edu