Takagi, S. 2023a Outbreak of Aulacaspis yasumatsui in Japan (Sternorrhyncha:Coccoidea: Diaspididae). Insecta Matsumurana (New Series) 79: 81-84
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Notes: Serious damage caused by Aulacaspis yasumatsui Takagi was found on Cycas revoluta in the island of Amami-Ôsima, Japan, in 2022. In this article, the material of CAS forwarded to the author from various areas for identification has been re-examined for tracing the invasion into Amami-Ôsima.
