Photo Gallery- Nine-mile Prairie
Photo Gallery- Homestead Prairie
Body slender, cylindroid
except at extremities. Lip
region plain, rounded, unstriated. Striae 1.2u apart except
near head and on tail. Lateral
field a bright band 1/5 body width, marked by 2 fine incisures. Amphid
transverse, near base of lip region. Cephalic framework obscure.
long, slender, with small round knobs, its muscles attached to a cuticular
band about base of lip region. Dorsal esophageal gland outlet
behind spear. Median bulb an outstanding feature, elongate-fusiform
with relatively small valve and weak radial musculature. Deirids
about opposite hemizonid. Cardia discoid. Intestine thick-walled
with narrow lumen. Ovary outstretched, the oocytes in single file
except for a short region of multiplication. Spermatheca almost twice
as long as body width, packed with spermatozoa.
Male slightly more slender than female. Testis outstretched. Spicula arcuate, cephalated, resting on a simple, trough-like gubernaculum. Bursa about twice as long as spicula.
Clavilenchus similis is distinguished from C. tumidus
by finer striae, larger spear and ellipsoid median bulb.
Habitat: Apple orchard 4 miles south of Watertown, South Dakota.
(Description from Thorne and Malek, 1968)
DNA Sequences Obtained
|KonzaIV AB-147||Konza Prairie, First survey|
|9Mile 3-5 LP1-01||9 Mile Prairie, Preliminary survey|