Scientific name Pontia daplidice Linnaeus Lepidoptera, Pieridae. Alias ​​pink butterfly, pollen butterfly, North Korea white butterfly. Synonyms Leucoch10e daplidice Linnaeus. The distribution was not seen in Fujian, Taiwan, Guangdong, and Hainan but in other provinces.
The host is rape, cabbage, cauliflower, cabbage and other cruciferous vegetables and wild plants.
The culprit features occur together with the cabbage white butterfly. The larvae feed on the leaves and excrete the feces to contaminate the vegetable strains. Morphological characteristics Adult body length 15-18mm, gray-black, wings 40-48mm, wing white, a group of dark spots in the top wing of the male butterfly, a black spot at the central transverse vein, black spots on the back of the hind wing are faintly visible; Black spots are larger than males and there is a dark spot between the central black spot and the outer edge. There is a black spot on the outer edge of the hind wings. Egg-shaped bottle, more pointed, the surface with a vertical and horizontal grid (with 16 vertical ridges reach the fine hole area; flap decoration 5, there are 3 columns; 30-32 horizontal ridges). The mature larvae are about 30mm long, blue-gray, with purple-black projections on the head and body surface, short hairs, and yellow vertical lines on the chin. The beak is similar to the cabbage butterfly, but the body surface is scattered with dark spots.
Living habits are mainly distributed in the northern regions of China. They occur in the North China region for 3-4 generations in order to survive over winter. Occurs with the cabbage white butterfly, but the proportion is different in different regions in different years and generally occurs sporadically.
See control method cabbage butterfly.
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