New almond and pistachio pest found in the San Joaquin Valley

Written By Phoebe Gordon

By Houston Wilson, UC Riverside

Jhalendra Rijal, UCANR Stanislaus, San Joaquin, and Merced Counties

David Haviland, UCANR Kern County

Growers and pest control advisers (PCAs) should be on the lookout for a new pest called carpophilus beetle (Carpophilus truncatus). This pest was recently found infesting almonds and pistachios in the San Joaquin Valley, and is recognized as one of the top two pests of almond production in Australia. Damage occurs when adults and larvae feed directly on the kernel, causing reductions in both yield and quality.

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Phoebe Gordon
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