Pyramus Opal (Poecilmitis pyramus) là một loài butterfly in the Lycaenidae family. It is endemic to South Africa, ở đó nó is found on the northern slopes of the Swartberg, the Kammanassie Mountains and the Langeberg in the West Cape.
The wingspan is 32–36 mm for males and 32–38 mm for females. Adults are on wing from October to January, with a peak in November. There is one extended generation per year.
The larvae feed on Thesium, Osteospermum asperulum and Dimorphotheca montana. They are attended to by Crematogaster peringueyi ants.
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