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South San Diego County Under Pest Quarantine

State and federal authorities have placed part of southern San Diego County under quarantine to regulate the movement of citrus and citrus-related plants in and out of the area.

State and federal authorities have placed part of southern San Diego County under quarantine to regulate the movement of citrus and citrus-related plants in and out of the area.

Agricultural agencies say they took the step Thursday after more than 250 Asian citrus psyllids - a sap-sucking, aphid-like insect - were discovered during the last two weeks in the South Bay Terrace area of San Diego.

Officials say the quarantine does not affect the county's major-citrus producing region, which lies to the north of the quarantine boundary.

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The quarantine area includes 1,181 square miles and extends from the border with Mexico north to state Highway 78 and east to Ramona.