Hadronotus tridentatus (Masner) comb. nov.

Gryon tridentatus Masner, 1979: 793, 796 (original description, keyed); Sarazin, 1986: 979 (type information).

Gryon tridentatum Masner: Johnson, 1992: 397 (cataloged, type information).

Comments.

This species is transferred based on placement in Gryon variicorne group. From the original description, "All 15 species described in this paper share the following characters in common … frontal depression very shallow … its sculpture consisting of a chain of transverse polygons above antennal insertion; clypeus small, receding, unarmed"