Which of the following is the seed gall nematode?

Answer: Option A

A. tritici is the seed gall nematode.
Anguina tritici commonly referred to as wheat seed gall nematode, is the cause of ear-cockle disease.
It was the first plant-parasitic nematode to be described in the scientific literature in 1743. Its host range includes wheat, triticale, rye, and related grasses; the primary host is wheat.