• Korean journal of applied entomology
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• v.58 no.3
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• pp.225-228
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• 2019

The genus Chrysaster Kumata is one of the members in Lithocolletinae of Gracillariidae (Lepidoptera: Gracillarioidea). Chrysaster hagicola Kumata, 1961 has been the only known species of the genus in Korea so far. In this study, we report another species, Chrysaster ostensackenella (Fitch, 1859) for the first time from Korea. The samples of C. ostensackenella were collected as larvae and adults on Robinia pseudoacacia L. (Fabales: Fabaceae). Diagnostic characteristics with a brief description are given, as well as, photographs of adults and genitalia of both sexes are provided. A further study on C. ostensackenella is strongly recommended, especially for the business of honey, as this species is recently known to be a serious pest on acacias (black locust) in China.

• Korean journal of applied entomology
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• v.22 no.3 s.56
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• pp.213-227
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• 1983

Thirteen species distributed over 3 genera of the subfamily Lithocolletinae are reported from Korea. Of them 8 species are new to the Korean fauna. Two genera, Hyloconis and Chrysaster, are recorded from the Asian continent for the first time. Fore wings of all the species and male and female genitalia of some ones are illustrated. Besides these Korean species, one North American species, Argyromiges ostensackenella Fitcher, 1859, is newly transferred to the genus Chrysoster.