Mylothris yulei, the Yule's dotted border or fragile dotted border, is a butterfly in the family Pieridae. It is found in Nigeria, Cameroon, Ethiopia, the Democratic Republic of the Congo, Uganda, Kenya, Tanzania, Zambia, Malawi, Mozambique and Zimbabwe. The habitat consists of submontane and montane forests and dense woodland. Adults are very weak flyers and are often seen visiting flowers on the margins and in open glades of the forest. They are on wing from February to September and in November. The larvae feed on Hevea brasiliensis, Theobroma cacao and Santalales species.