Daily Archives: March 5, 2026

Managing flatheaded borer in Sacramento Valley walnut orchards

Over the past few years, Sacramento Valley Orchard Advisors have received several calls about flatheaded borer damage concerns in walnut orchards. While most of those farm visits were found to be unrelated to flatheaded borer, it certainly underscored the need for awareness and accurate diagnosis of flatheaded borer and other problems. Continue reading