In the course of current studies on the Asiatic Chrysomelidae, the author has come to the conclusion that a citrus flea beetle, described by CHÛJÔ in 1958 under the name of
Clitea citri from the Okinawa Is. is no doubt identical with
C. metallica CHEN, originally described from Tonkin and known also from Central and Southern China as a serious pest of citrus trees and the species is widely distributed in the Ryukyu Archipelago. The following list is compiled from references and the data obtained by the author from the collections of insects in Naturhistorisches Museum in Vienna and the entomological survey of the Ryukyu Archipelago in 1953∼1954 under the Japan-U.S. Cooperative Science Program.
1) Ryukyu Archipelago: Okinawa Is. (Izumi, Nakijin and Nakasone). Ishigaki Is. (Banna-dake, Omoto-village, Kabira-Yoshiwara and Toro-gawa). Iriomote Is. (Kanpire-daki, Inaba, Shirahama-Sonai and Ushikumori).
2) Taiwan: Takao (after KIMOTO, in press)
3) China Szechuan (after GRESSITT & KIMOTO, 1963). Hunan (after GRESSITT & KIMOTO, 1963). Chekiang (after PENG, 1935). Kiangsi (after GRESSITT & KIMOTO, 1963). Kwangsi (after CHEN, 1939). Kwangtung (after HOFFMANN, 1935; after GRESSITT & KIMOTO, 1963). Hainan (after GRESSITT & KIMOTO).
4) N. Vietnam: Hanoi and Hoa-Binh (after CHEN, 1933, 1934).
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