Description of a New Predatory Soil Nematode Prionchulus sturhani sp. nov. (Nematoda: Mononchida)

Prionchulus sturhani sp. nov. is described and illustrated from Germany. This new species is characterized by medium body length (1.63–1.88 mm), rounded head, cephalic papillae bigger than labial ones, cylindrical and medium sized (35.1–39.7 × 19.2–20.0 μm) buccal cavity, lower position of dorsal tooth (17.6–20.0% of the buccal cavity length), relatively short tail (77.3–87.7 μm, c=20.5–24.4, c'=1.7–2.2) with rounded tip, female genital branches without spermatheca and valvular apparatus between uterus and oviduct, pars refringens vaginae with close and poorly marked, almost transparent, narrow drops-shaped sclerotizations, relatively long and thick walled pars distalis vaginae.