Abstract
A new species of the genus Digitivalva Gaedike, 1970 from Japan, D. bella Zhang, Yagi & Hirowatari, sp. nov., is described. The host plant of this species is identified as Carpesium divaricatum Sieb. & Zucc. (Asteraceae). Larvae of this species pupate beneath the host tissue; this habit is for the first time reported for the genus Digitivalva in Japan. Adult specimens with male and female genitalia and pupae are illustrated and described in detail. Although the wing markings differ, the new species is considered closely related to D. arnicella (Heyden, 1863) from Europe, with which it shares similar biological and morphological features.
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