Amphichaeta leydigi Tauber

Recognition

Dorsal hair chaetae are absent. The dorsal needle chaetae begin on segment 3, which has normally has 5 chaetae, followed by 2 chaetae on segment 4. The pharynx is elongate creating a gap between the chaetae on segments 3 and 4. The ventral chaetae on segments 3 and 4 are directed backwards.

Summary

A small species up to 1.7 mm in length or 4 mm in chains.

Distribution

This is a widespread holarctic species.

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