Aplosonyx nigricollis is a species of beetle belonging to the family Chrysomelidae. It can be found in Malay Peninsula and in Indonesia (Nias, Mentawai Islands, Batu Islands).
References Synopsis of the described Chrysomelidae of the world Chrysomelidae Galerucinae at Sciences Naturelles Kimoto, Shinsaku - Chrysomelidae (Coleoptera) of Thailand, Cambodia, Laos and Vietnam Christopher Taylor Variety of Life