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.

Remotididymella destructiva (Plowright) Valenzuela-Lopez, J.F. Cano, P.W. Crous, J. Guarro & Stchigel

California Pest Rating Proposal for

Remotididymella destructiva
(Plowright) Valenzuela-Lopez, J.F. Cano, P.W. Crous,  J. Guarro & Stchigel

Black spot of tomato
Current Pest Rating: None
Proposed Pest Rating: B


Comment Period: 09/08/2026 through 10/23/2026


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Posted by tn

Rathayibacter tritici (Carlson and Vidaver 1982 ex Hutchinson 1917) Zgurskaya et al. 1993 Head blight of wheat/tundu disease

California Pest Rating Profile for

Rathayibacter tritici
(Carlson and Vidaver 1982 ex Hutchinson 1917) Zgurskaya et al. 1993
Head blight of wheat/tundu disease
Pest Rating: B


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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