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Published online by Cambridge University Press: 31 May 2012
In Entomological News, Vol. IX., pp. 95–96, Mr. T.D.A. Cockerell states that Mr. Alexander Craw, quarantine officer at San Francisco, California, had “two or three times” found Aspidiotus perniciosus on trees from Japan, and notably, on a plum tree that arrived January 25th, 1898.