![]() ![]() First detected in Florida in 1998, ACP spread to Texas in 2001, California in 2008, and Arizona in 2009. Huanglongbing (HLB) is spread by a tiny insect, the Asian citrus psyllid (ACP, Diaphorina citri). One or more of these pests and diseases has the potential to harm every acre of citrus in the United States. USDA collaborates with state departments of agriculture and the citrus industry to safeguard the future of the American citrus industry.įive exotic citrus pests have been established in the United States and threaten the domestic citrus industry: huanglongbing (HLB), Asian citrus psyllid (ACP), citrus canker (CC), citrus black spot (CBS), and sweet orange scab (SOS). CHRP protects the American consumer’s access to domestically-produced citrus fruit and nursery trees with regulations that limit the spread of pests to uninfested areas. To achieve its goals, CHRP performs multi-pest surveys in commercial and residential citrus areas to identify early infestations of exotic citrus pests for eradication, and to ensure that quarantine boundaries accurately reflect infested areas. ![]() Citrus-producing regions in the United States are at high risk for the introduction and establishment of invasive pests and diseases due to their close proximity to international ports of entry and warm climatic conditions. The goal of the Citrus Health Response Program (CHRP) is to sustain the United States citrus industry, maintain grower access to export markets, and safeguard citrus-producing areas against citrus diseases and pests. ![]()
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