Lethe dura (Marshall) is a species of butterfly in the genus Diptera in the family Ocera. The female is 62 mm in the wingspan and 55 mm in the male, the body and wings are black, slightly purple luster, the outer edge of the hindwing has a horn-like process in the middle, and the end half is light and gray, with 5-6 dark black round spots. The outer end of the opposite front wing is grayish brown, the basal half is brown, and the grayish white stripes of the hindwings are obvious, and the eye-like lines are obvious.
This butterfly species can occur in two generations a year in Guangdong. Adults occur from mid-May to mid-June and from mid-July to mid-August. The larval host is unknown, and the adults do not visit flowers and like to suck up sap. The flight path is changeable and often moves at the edge of the forest.
There is also a wing span of 55 mm, the body wing is black, there are 3-4 eye-like spots in the light area of the half of the front wing end of the opposite wing, and the middle stripe of the hindwing is black, and there are 7 outward eye-like stripes.
Distribution: Central China, South China, East China
According to the anime "Miss Sakurako's Feet Buried Corpse", Tena Dai-eye butterfly likes to eat carrion.
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