安康市核桃果实害虫种类调查研究

Investigation on the Pest Species of Juglans regia in Ankang

采用生长期定点定株定期果实害虫调查和贮藏期室内常温贮藏观测法,对安康市核桃果实害虫种类进行了调查。结果为安康市核桃果实生长期害虫有13种,隶属5目11科;核桃果实贮藏期害虫有3种,隶属2目3科;核桃生长期危害较大的果实害虫主要是核桃举肢蛾、核桃长足象、双鬃尖尾蝇和桃蛀螟;贮藏期危害较大的果实害虫是印度谷螟;首次发现并记录了角斑古毒蛾幼虫为害核桃幼果。

To find out the pest species of Juglans regia in Ankang during the growth and storage period,systematic investigation method with fixed plant during certain period of Juglans regia growth and the method of indoor temperature storage observation were applied to investigate postharvest pest species attacking Juglans regia.The result showed that there are13 species of pest belonging to 11 families and 5 orders attacking Juglans regia fruits during the growing season,and 3 species belonging to 3 families in 2 orders during the period of storage.The most harmful pests to Juglans regia during the growth period are Atrijuglans hetauhei Yang,Conogethespunctiferalis Guenée,Alcidodes juglans Chao and Silba sp.The most severe pests during storage are Plodia interpunctella(Hubener).Orgyia gonostigma L.was first recorded to feed on young fruit of Juglans regia in China.