Bothrioneurum vejdovskyanum Stolc
Recognition
The dorsal bundles with bifid or simple chaetae but no hairs.
The prostomium has a unique dorsal sensory pit.
The are abundant coelomocytes like Rhyacodrilus.
The anterior chaetae number 3-4 per bundle and they are
thinner than the posterior chaetae, which number 2 per bundle.
There are several, hook-shaped penial chaetae and
no spermathecae, the spermatophores are attached externally.
Summary
A medium sized tubificid (28 - 35 mm) of large rivers favoring coarse sand.
Sexually mature specimens are rare. Asexual reproduction is common.
Distribution
A world-wide species that is widespread in North America.
13 APR 1996 D.L. Gustafson
AIM home page
dlg@rivers.oscs.montana.edu