Life History and Population Parameters of Arimania komaroffi Ragonot (Lepidoptera: Pyralidae) on Different Pistachio Cultivars

S. M. Mansouri, B. Naseri
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Abstract

ABSTRACT. Pistachio fruit hull borer, Arimania komaroffi (Rogonot) (Lepidoptera: Pyralidae), is a damaging insect pest of pistachio (Pistacia vera L.) cultivars in Iran and some other areas of the world. In this research, A. komaroffi was reared on the fruit hull of different commercial pistachio cultivars (Ahmad Aaghaei, Akbari, Kaleghochi, Momtaz and Ohadi) at 25±2°C, 45±5% R.H. and a photoperiod of 16:8 (L: D) h, and its life history and life table parameters were investigated. To evaluate the development, survival and body weight of pre-adult stages, sixty first instar larvae were reared on the fruit hull of each pistachio cultivar. Also, the weight of shelters made by larvae was measured on each cultivar. After emergence of adults, fecundity (number of eggs deposited), incubation period, and adult longevity were recorded. Based on the obtained results, cultivar Ohadi was unsuitable for population increase of A. komaroffi, because a prolonged immature period and the lowest values of food consumption (FC), larval weight gained (LW), shelter weight (SW), and population growth of the pest were on this cultivar. However, cultivar Momtaz was relatively suitable for this pest, since the shortest immature period, and the highest FC, LW, SW, and population growth were on this cultivar. There were significant positive correlations between SW of larvae and FC, LW and intrinsic rate of increase (rm). Our results showed that Ohadi was relatively resistant, and Momtaz was relatively susceptible cultivars to A. komaroffi development and population increase.
不同开心果品种上小圆蛾的生活史及种群参数
摘要开心果壳螟(Arimania komaroffi (Rogonot))(鳞翅目:皮蛾科)是伊朗和世界上一些地区开心果(Pistacia vera L.)品种的危害害虫。在25±2°C、45±5% R.H.、16:8 (L: D) h的光周期条件下,在不同商品开心果品种(Ahmad Aaghaei、Akbari、Kaleghochi、Momtaz和Ohadi)果皮上饲养a . komaroffi,对其生活史和生命表参数进行了研究。为评价开心果各品种果实壳上1龄幼虫60只的发育、成虫期存活率和体质量。测定了各品种幼虫筑窝的重量。成虫羽化后,记录产卵量(产卵数)、孵化期和成虫寿命。综上所示,Ohadi品种幼龄较长,食用量(FC)、幼虫增重(LW)、遮蔽重(SW)和种群生长量均在该品种上最低,不适合用于小蛾种群的增加。品种“蒙塔孜”成熟期最短,FC、LW、SW和种群生长量均最高,是较适宜的品种。幼虫的SW与FC、LW和内在增重率(rm)呈极显著正相关。结果表明,奥哈迪对小叶麻虱的发育和种群增长具有相对的抗性,而蒙塔兹对小叶麻虱的生长和种群增长相对敏感。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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