Photo Gallery- Nine-mile Prairie
Photo Gallery- Homestead Prairie
tapering both ways from near middle. Coarsest striae about 1u
apart. Lateral field
a bright band 1/4 body width with 4 minute incisures. Phasmids and
deirids not seen. Lip
regionconical with slightly elevated perioral papillae. Spear
long with strong, tapering knobs which frequently apppear as if they were
furcate. Basal bulb and anterior end of intestine crowded by a large glandular
body 1 or 2 times as long as body width. Vulva
elevated labia. Uterine tract with spermatheca
at anterior end but sperms not observed and males not collected.
Ovary outstretched with oocytes in single line. An egg was 16 x 72u.
Posterior uterine branch less than half as long as body width. Body
narrowed behind vulva. Hyaline intestinal cells adjacent to rectum,
similar to those Siddiqi, 1964, refers to as a "prerectum".
Boleodorus acutus is imediately distinguished by uniformly conoid tail and large gland crowding base of esophagus and intestine. Most closely related to B. impar Siddiqi from which it differs in positions of amphid and gland crowding esophagus base and intestine.
Habitat: Native grass sod near Fergus Falls, Minnesota.