Invasion information | ||
Range in Japan | Central to western part of Honshu, Shikoku, Kyushu, and Amami Islands (Amamioshima and Tokunoshima Is.). This species was temporarily established but eradicated immediately on Okinawajima Is. | |
Origin | Unknown. | |
Date | The first record in Japan was in 1907 at Nagasaki Pref. | |
Route | Unknown. | |
Impact | Damage on citrus agricultures. Native organism(s) affected: Various citrus. | |
Regulation in Japan | Diaspididae is designated as Quarantine Pest (the Plant Protection Law). | |
Introduced range in other countries | South Korea, continental China, Hong Kong, Taiwan, Philippines, Vietnam, Thailand, Malaysia, Myanmar, Indonesia, India, Pakistan, Armenia, Italy, France, Australia, Fiji, etc. Populations in Cheju Is., S Korea and Nice, France are assumed to be introduced from Japan. |
Reference | Notes |
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100 of the Japan’s Worst Invasive Alien Species Althoug this species seriously infested in past, it has been suppressed to low density at present, by the development of control technique (biological control and pesticides). The effort to control is still continued. In Okinawajima Is., this species was found in 1981 at Nago City, and controlled by several methods including biological control using parasitic wasps Aphytis yanonensis and Coccobius fulvus. Since 1989, this species have not been observed in Okinawajima. |