Hadronotus circus (Kozlov & Le) comb. nov.
Gryon circum Kozlov & Lê, 1992: 223, 227 (original description, assigned to Gryon insulare species group, keyed).
Gryon circus Kozlov & Lê, 1996: 10 (description); Lê, 2000: 97, 107 (description, keyed, type information).
Comments.
The frons of this species suggests close relation to H. watshami .