Cryptolarynx oberlanderi is a species of beetle of the family Curculionidae. It is found in South Africa, where it is only known from the Hex River valley and the Worcester area.
Adults reach a length of about 2.1âÂÂ3 mm and have an integument black body, with the scapes and tarsi reddish.
Specimens were collected in July, at the base of plants of Oxalis depressa.
This species is named in honour of Kenneth Oberlander, specialist of the taxonomy of the genus Oxalis.