Males of the mole cricket nematode, Steinernema scapterisci Nguyen & Smart n. sp.
A) Spicules of the first-generation male showing angular head, ribs, and gubernaculum with anterior end bent upward. B) Variation in the tail shape of the first-generation males. C) Tail of the second-generation male showing elongae spicule head. D) Variation in tail shape of second-generation males. E) Entire body of the first-generation male.