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Animalia >Arthropoda >Insecta >Lepidoptera >Zygaenidae >Elcysma >

Like other zygaenid moths, the white tailed zygaenid moth is diurnal. Its host plants are species from the family Rosaceae, for example, cherry trees, plum trees and peach trees. It is univoltine and the mating season is from mid-September to mid-October. In the breeding season, many flying males are observed in the early morning, from about 0600 to 0800. Females release sex pheromone and males fly and search for females to copulate with. Mating behavior is observed only during this period. The male perches beside the female, courts her with his wings fluttering and then tries to grasp her abdomen with his forceps-like clasper. But she does not accept him easily, bending her abdomen to avoid his clasper and often walking away. When the copulation is established, the male sets all of his wings vertically. Copulation usually continues until noon or the afternoon.

(Data No.momo051010ew01b)

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