Invasion information | ||
Range in Japan | Nagasaki (mainland and Fukuejima Is. of Goto Islands) and Kagoshima (mainland) Prefs. | |
Origin | From continental China or Korean Peninsula to Nagasaki. From Okinawa to Kagoshima. Unknown origin for Fukuejima Is. | |
Date | By the end of 17 C (Nagasaki). By 1820s (Kagoshima). Unknown for Fukuejima (the first record in Fukuejima was after W.W.II). | |
Route | Accidental: Hitchhiking on trades. | |
Impact | Unknown impact. | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries | Philippine, Borneo, Indonesia, Guam, Middle East, eastern Africa, Madagascar, Moldives, Mauritius, Reunion, Comoro, etc. |
Reference | Notes |
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The three non-native populations in Japan (Nagasaki, Kagoshima, and Fukuejima) have been declined. |