Diagnosis of <i>Trichodorus obtusus</i> and <i>Paratrichodorus minor</i> on Turfgrasses in the Southeastern United States

Fig. 9. The anterior region of Paratrichodorus minor. In this common occurrence, the esophageal shape of stubby-root nematodes is difficult to distinguish. However, the curved onchiostyle is clearly visible.



Image from Plant Health Progress article:
Diagnosis of Trichodorus obtusus and Paratrichodorus minor on Turfgrasses in the Southeastern United States