板栗雪片象Niphades sp.是板栗上新发现的一种蛀果害虫。主要发生在深山区,为害板栗、油栗、茅栗等。为害严重的果实被害率达80—90％。1974年起对此虫进行了观察研究,现将初步结果分述于后。 一、形态特征 成虫 体长9—11毫米(头管除外),栗褐色,全身密被黄色绒毛。头管较短粗,长2.5—3 Chestnut Snow Flake-like Niphades sp. Is a newly found borer pest on the chestnut. Mainly occurred in the mountains, the damage chestnut, oil chestnut, chestnut and so on. Harmful fruit damage rate of 80-90%. The pest was observed and studied since 1974, and the preliminary results will now be described later. First, morphological characteristics Adult body length 9-11 mm (except for the head tube), chestnut brown, the body densely yellow hair. Short thick head tube, length 2.5-3