Chrysoritis trimeni, the Trimen's opal, is a species of butterfly in the Lycaenidae family. It is endemic to South Africa, where it is found in the Northern Cape.
The wingspan is 26–30 mm for males and 28–34 mm for females. Adults are on wing from August to March, with a peak in November.
The larvae feed on Zygophyllum species. They are attended to by Crematogaster ants.
- ^ Woodhall, Steve (2005). Field Guide to Butterflies of South Africa. Cape Town, South Africa: Struik. ISBN 978-1-86872-724-7.
- Gimenez Dixon, M. 1996. Poecilmitis trimeni. 2006 IUCN Red List of Threatened Species. Downloaded on 31 July 2007.