Fig. 4. Pristionchus occultus n. sp. Drawings are of live specimens (non-types) from temporary mounts. (A) Stenostomatous female, right lateral view. (B) Stenostomatous male, right lateral view. (C) Anterior end of stenostomatous male, right lateral view. (D) Stomatal region of stenostomatous female, right lateral view; below (from left to right) are dorsal tooth and right subventral denticle. (E) Stomatal region of stenostomatous female, left lateral view; below are left subventral ridge and dorsal tooth. (F) Stomatal region of stenostomatous female, ventral view; below are right subventral denticule, dorsal tooth and left subventral ridge. (G) Stomatal region of eurystomatous female, right lateral view; below are dorsal tooth and right subventral tooth. (H) Stomatal region of eurystomatous female, left lateral view; below are left subventral ridge and dorsal tooth. (I) Pharyngeal region of stenostomatous female, right lateral view. (J) Body surface showing longitudial striations and relative position of deirid and secretory pores.