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Diaprepes abbreviatus (Coleoptera: Curculionidae) Origin: The root weevil (Diaprepes abbreviatus) is a pest species originating in the Caribbean and first reported in Florida in 1964, in Los Angeles and Orange counties in 2005 and in San Diego County in 2006.
Asian citrus psyllid (Diaphorina citri Kuwayama) The Asian citrus psyllid, Diaphorina citri, is a tiny, mottled brown insect about the size of an aphid. This insect poses a serious threat to California's citrus trees because it vectors the pathogen that causes huanglongbing disease (HLB).