核桃举肢蛾,又名“核桃黑”,是危害核桃果实的主要害虫。被害果早期脱落,不落者种仁也成为干缩的黑仁,质量极差。 此虫一年只发生一代,以老熟幼虫在树下2至3厘米深的土内结茧越冬。5月中旬至6月中旬化蛹,6月上 Walnut Lifting moth, also known as “walnut black” is a major pest endanger walnut fruit. Victims of early fall off, who do not fall into the seeds have become shrinking black kernel, poor quality. This pest occurs only one generation a year, overwintering by cocooning with mature larvae in soil 2-3 cm deep under the tree. Mid-May to mid-June pupation, on June