Fig. 1. Steinernema neocurtillae Nguyen & Smart. Males. A,C-G) First generation male. A)Anterior region. C,E) Variation of spicules. D) Entire body. F)Posterior region showing 23 papillae arranged as eleven pairs and one single. G) Anlargement of anterior end of A. B,H,I) Second generation males. B) Anterior region. H) Entire body. Variation in spicules.