Category Archives: B-Rated

“B”
An pest of known economic or environmental detriment and, if present in California, it is of limited distribution. B-rated pests are eligible to enter the state if the receiving county has agreed to accept them. If found in the state, they are subject to state endorsed holding action and eradication only to provide for containment, as when found in a nursery. At the discretion of the individual county agricultural commissioner they are subject to eradication, containment, suppression, control, or other holding action.

Phytophthora elongata Rea, Stukely & Jung (2010)

California Pest Rating Proposal for

Phytophthora elongata Rea, Stukely & Jung (2010)
Current Pest Rating: None
Proposed Pest Rating: B


Comment Period: 06/11/2026 through 07/26/2026


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Posted by SK

Erwinia pyrifoliae Kim et al. 1999 Asian pear blight

California Pest Rating Proposal for

Erwinia pyrifoliae Kim et al. 1999
Asian pear blight
Current Pest Rating: None
Proposed Pest Rating: B


Comment Period: 06/08/2026 through 07/23/2026


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Posted by SK

Phaeotrichoconis crotalariae (M.A. Salam & P.N. Rao) Subram. (1956) Leaf spot of palms

California Pest Rating Profile for

Phaeotrichoconis crotalariae (M.A. Salam & P.N. Rao) Subram. (1956)
Leaf spot of palms
Pest Rating: B


Comment Period: 03/26/2026 through 05/10/2026


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Posted by SK

Cercospora hydrangeae Ellis & Everh. (1892) Cercospora leaf spot of hydrangea

California Pest Rating Profile for

Cercospora hydrangeae Ellis & Everh. (1892)
Cercospora leaf spot of hydrangea
Pest Rating: B


Comment Period: 03/19/2026 through 05/03/2026


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Posted by SK

Fusarium phalaenopsidis Tsao et al., 2024 Phalaenopsis leaf yellowing

California Pest Rating Profile for

Fusarium phalaenopsidis Tsao et al., 2024
Phalaenopsis
leaf yellowing
Pest Rating: B


Comment Period: 02/25/2026 through 04/11/2026


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Posted by SK

Pseudomonas cannabina pv. cannabina (Sutic & Dowson) Bull, Manceau, Lydon, Kong, Vinatzer & Fischer-Le Saux 2010 Leaf spot of hemp

California Pest Rating Profile for

Pseudomonas cannabina pv. cannabina (Sutic & Dowson)
Bull, Manceau, Lydon, Kong, Vinatzer & Fischer-Le Saux 2010
Leaf spot of hemp

Pest Rating: B


Comment Period: 01/07/2026 – 02/21/2026

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Posted by SK

Pseudomonas syringae pv. tagetis (Hellmers 1955) Young et al. 1978 Tagetes leaf spot

California Pest Rating Profile for

Pseudomonas syringae pv. tagetis (Hellmers 1955) Young et al. 1978
Tagetes leaf spot
Pest Rating: B


Comment Period: 01/07/2026 – 02/21/2026

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Posted by SK

Zasmidium citri-griseum (F.E. Fisher) U. Braun & P.W. Crous 2014 Greasy spot of citrus

California Pest Rating Profile for

Zasmidium citri-griseum (F.E. Fisher) U. Braun & P.W. Crous 2014
Greasy spot of citrus
Pest Rating: B


Comment Period: 12/11/2025 – 01/25/2026


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Posted by SK