Mesodorylaimus pseudobastiani
Loof, 1969
Synonym: Dorylaimus bastiani (T. & S., 1936 & Thorne, 1961)
Photo Gallery- Konza Prairie

Measurements (from Thorne, 1974)
L = 1.4-1.8 mm; a = 34; b = 4.4 c = 14-28; V = 53
L = 1.5 mm; a = 39; b = 5.1; c = 68; T = 57

Description (from Thorne, 1974)
    Body cylindroid except at extremities, straight to slightly arcuate when relaxed.  Lateral fields 1/5 - 1/7 body width.  Lip region set off by slight depression, the lips somewhat variable in prominence with the usual number of easily seen papillae.  Spear 13-15 um long, with aperture 1/3 to 2/5 its length.  Guiding ring single.  Esophagus enlarged near middle by rather abrupt expansion.  Hemizonid just anterior to nerve ring.  Cardia elongate conoid, variable in length from 1/2 to more than one body width.  Microvilli present but frequently difficult to see.  Intestinal granules fine, dark brown.  Vulva transverse, ovaries reflexed about halfway to vulva.  Spermatheca and sperms absent.  Rectum 1 1/2 - 2 times anal body width.  Prerectum 2-3 times body width.  Tail form variable.
    A single male was collected from prairie sod near Fargo, North Dakota.  Vas deferens filled with sperms but none found in associated females.
    Habitat: A frequent species from practically all types of habitat throughout the Northern Great Plains.

DNA Sequences Obtained
Specimen: Collected:
KonzaII BD-23 Konza Prairie, First survey