Photo Gallery- Forensic Nematology Photo Gallery- Nine-mile Prairie |
Description (from Thorne, 1974)
Body
slightly arcuate, slender cylindroid. Cuticle greatly thickened near
anterior end. Lips
set off by deep constriction, angular. Spear
22 um long, its aperture about 3/7 of length. Lateral fields
1/8 body width, with prominent cells in tandem, each with a distinct pore.
Esophagus enlarged in posterior 3/5 by a very gradual expansion. Cardia
discoid,
then conoid. Intestinal cells with scattered, dark refractive granules.
Vulva
transverse, the labia appearing more muscular than refractive. Ovaries
reflexed about halfway to vulva. Egg length about twice body diameter.
Prerectum
length
about 3 times body width. Rectum slightly longer than anal body diameter.
Tail
with hyaline area occupying about 1/2 width of its core.
Aporcelaimellus placus is immediately distinguished
by the thick cuticle near the head, narrow lateral field and hyaline area
occupying ventral portion of tail.
Habitat: About root of American elm in windbreak
2 miles east of White, South Dakota, collected by R. B. Malek.
DNA Sequences obtained
Specimen: | Collected: |
9Mile 3/30 LP1-39 | 9-Mile Prairie, first survey |