Hadronotus acuteangulatus (Mineo) comb. nov.
Gryon acuteangulatum Mineo, 1991: 3 (original description, assigned to Gryon acuteangulatum species group).
Comments.
We transfer this species based the paratype specimen that we examined as well as characters and Figures 1a-b from the original description, "clava of six antennomeres... the sculpture of the head consists of irregular polygons."