Filenchus hamatus
Tylenchus hamatus
(Thorne & Malek,1968) Raski & Gereart, 1986
Photo Gallery- Konza Prairie
Photo Gallery- Nine-Mile Prairie

L = 0.66 mm; a = 30; b = 7.3; c = 8.2; V = 70;
Bodyarcuate when relaxed, especially in caudal portion.  Cuticle with striae about 1u apart. Lateral field marked by 4 fine lines occupying about 1/5 body width. Lip regionsomewhat truncate, not striated. Spear8u-9u long with small, sloping knobs, its muscles attached to arches of cephalic framework.  Intestine packed with coarse refractive granules, obscuring details of gonads. Vulva-anus distance 2.5 times tail length. Terminus bluntly rounded, sometimes hooked. Males not collected.

Tylenchus hamatus is distinctive because of the short spear with sloping knobs and arcuate body ending in a bluntly rounded, hooked terminus.

Habitat: Cultivated field, Southeast South Dakota Experiment Farm, Centerville, South Dakota.

DNA Sequences Obtained
Specimen: Collected:
KonzaIII GG-150 Konza Prairie, First survey