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Performance and population prediction of Opisina arenosella on four species of palm plants

文献类型： 外文期刊

作者： Yan, Sanqiang 1 ; Lin, Nanfang 2 ; Xiang, Kaiping 5 ; Kuang, Fuping 2 ; Lyu, Baoqian 2 ; Lu, Hui 2 ; Tang, Jihong 2 ; Zhang, Qikai 2 ; Qiu, Haiyan 2 ; Tang, Xue 2 ; Liu, Zhuo 2 ;

作者机构： 1.Hainan Univ, Coll Forestry, Haikou, Peoples R China

2.Environm & Plant Protect Inst, Chinese Acad Trop Agr Sci, Haikou 571101, Hainan, Peoples R China

3.Chinese Acad Trop Agr Sci, Sanya Res Inst, Sanya, Peoples R China

4.Hainan Univ, Coll Trop Crops, Haikou, Hainan, Peoples R China

5.Hainan Univ, Coll Plant Protect, Haikou, Hainan, Peoples R China

关键词： Arecaceae; caterpillar; coconut; Cocos nucifera; Elaeis guineensis; Lepidoptera; life cycle; Livistona chinensis; Oecophoridae; palm plants; population size forecast; Roystonea regia

期刊名称：ENTOMOLOGIA EXPERIMENTALIS ET APPLICATA （ 影响因子：1.9； 五年影响因子：2.1 ）

ISSN： 0013-8703

年卷期： 2023 年 171 卷 3 期

页码：

收录情况： SCI

摘要： Opisina arenosella Walker (Lepidoptera: Oecophoridae) is a major pest of coconut, Cocos nucifera L. (Arecaceae), but also of other palm plant species. Information on its life history on hosts other than coconut is missing. Age-stage two-sex life tables and a population prediction model were used to assess the development, survival, reproduction, and population growth potential of O. arenosella populations bred from four palm plants: C. nucifera, Livistona chinensis (Jacq.) R.Br. ex Mart., Roystonea regia (Kunth) O.F. Cook, and Elaeis guineensis Jacq. The results revealed that O. arenosella could complete a generation on all four hosts. Still, they showed relatively high fitness on L. chinensis, second to that on C. nucifera, with the shortest generation time (egg to pupa, 71.1 days), higher stage survival (egg: 0.89; larva: 0.74; pupa: 0.56), fecundity (176.3 eggs), and population growth potential. On L. chinensis, net reproductive rate, R-0, was 35.1, gross reproduction rate, GRR = 88.8, intrinsic rate of increase, r = 0.049 per day, finite rate of increase, lambda = 1.050 per day, mean generation time, T = 72.1 days, and doubling time, DT = 14.1 days. Based on 10 eggs, the population prediction model showed that larval populations on L. chinensis could develop to the third generation in 180 days and reached the peak value (9870.2 larvae) on day 158. Besides coconut, all three palm plant species can support O. arenosella to complete the life cycle. The outcomes of this research may be beneficial in formulating pest management strategies for palm crops.

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