Myrina silenus, the common fig-tree blue, is a butterfly of the family Lycaenidae. It is found in Sub-Saharan Africa, southern Arabia and northern Oman.
The wingspan is 26.5–34 mm for males and 33–41 mm for females. Adults are on wing year-round with peaks from September to October and from April to June in the eastern part of the range.
The larvae feed on Ficus species, including F. capensis, F. stipulate, F. cordata, F. sur, F. pumila and F. ingens.
- Range: Senegal, Gambia, Guinea-Bissau, Guinea, Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Benin, Nigeria, Cameroon, Congo, Angola, DRC, Chad, Sudan, Uganda, north-western Zambia
- M. s. nzoiae d'Abrera, 1980
- Range: Ethiopia, Yemen, Saudi Arabia, United Arab Emirates, northern Oman, western and northern Kenya
- M. s. ficedula (Trimen, 1879)
- Range: southern Kenya, Tanzania, Zambia, Mozambique, Zimbabwe, Botswana, Namibia: Caprivi, Swaziland, South Africa: Limpopo, Mpumalanga, North West, Gauteng, Free State, KwaZulu-Natal, Eastern Cape and Western Cape provinces
- M. s. penningtoni Dickson & Stephen, 1971
- Range: western South Africa: Western Cape to Northern Cape
- M. s. suzannae Larsen & Plowes, 1991
- Range: northern Namibia
- ^ Myrina at Markku Savela's Lepidoptera and Some Other Life Forms
- ^ Woodhall, Steve (2005). Field Guide to Butterflies of South Africa. Cape Town, South Africa: Struik. ISBN 978-1-86872-724-7.