灰胸突鳃金龟子在樱桃园的发生规律及综合防治

Occurrence Regularity and Integrated Control of Hoplosternus Incanus Motschulsky in Cherry Orchard

为探明灰胸突鳃金龟子幼虫在土壤中全年的垂直移动动态、成虫的出土时期、药剂防治的最佳时期,作者于2019年对其进行研究。结果表明,其幼虫具有明显的垂直移动规律,在81~100 cm土层中越冬;在0~20 cm土层内集中分布区,用毒辛200倍或白僵菌50倍液灌根,防治效果分别达80.0%、42.6%;在其成虫的出土盛期,用药剂防治或者增加杀虫灯的数量,可减少成虫产卵数量。

In order to find out the vertical movement of the Hoplosternus Incanus Motschulskylarvae in soil all year round,the excavation time of adults,and the best period of chemical control,the authors conducted a study on it in 2019.The results showed that the larvae had obvious vertical movement and overwintered in 81~100 cm soil layer;In the 0~20 cm soil layer,the area is concentrated,the roots were irrigated with 200 times of toxin or 50 times of Beauveria bassiana,the control effect was 80.0%and 42.6%respectively;in the peak period of adult emergence,the number of eggs laid by adults can be reduced by using insecticides or increasing the number of insecticidal lamps.