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Review of the Genus Litochila (Hymenoptera: Ichneumonidae: Cryptinae) from South Korea
Genus Litochila Momoi belonging to the tribe Hemigasterini is represented by eight species from Korea, China, Japan, Taiwan and India. Modern taxonomic revision of this genus was carried out by Kaur (1988). He and Chen (1996) enlarged the genus by adding one species, L. guizhouensis He & Chen from the oriental part of China. They provided a key to Chinese species and descriptions without including L. sinensis Kaur which was previously reported from Fujian, China by Kaur (1988). As a part of a large revisionary work of the subfamily Cryptinae, four species, L. nohirai (Uchida), L. carbonaria (Smith), L. jezonica (Uchida) and L. sinensis, are recognized from Korea. L. carbonaria. L. sinensis and L. jezonica are reported from Korea for the first time. The species L. guizhouensis is synonymized with L. sinensis. The distinction of females of two closely resembling species, L. carbonaria and L. jezonica, is possible by the number of flagellar segments, the shape of mesopleurum and second tergite, but males are difficult to identify. Momoi and Okamoto (1965) relied on the number of tyloids to identify them, and Kaur (1988) used the shape of postpetiole except for such character. However, our observations revealed these characters are not useful in relating these males, because many variations were found in these characters. Therefore, further DNA studies will be required to resolve this controversy.
