Invasion information |
Range in Japan |
Amamioshima, Okinawajima, Miyakojima, Ishigakijima, and Daito Islands. |
|
Origin |
Taiwan. |
Date |
The first record in Japan was in 1976 at Urazoe, Okinawajima Is. After, the establishment was confirmed by occurrence of many larvae of this species at Shuri, Okinawajima Is. |
Route |
Accidental: Possibly hitchhiking on ornamental trees. |
Impact |
Potentially: Competition and hybridization with native flower beetles. Native organism(s) affected: Competition: Native congeners P. exasperata, P. pryeri, P. lewisii, P. ishigakia etc.; Competition and hybridization: Native conspecific populations P. o. sabmarumorea, P. o. tokarana |
Regulation in Japan |
No action for prevention, mitigation, control, or eradication. |
Introduced range in other countries |
Saipan and Guam Islands. |