Age-stage, two-sex life table, and population projection of Ostrinia furnacalis (Lepidoptera: Crambidae) at different temperatures

文献类型： 外文期刊

第一作者： Hu, Xiaohua

作者： Hu, Xiaohua;Wang, Zhenying;He, Kanglai;Wang, Yueqin;Hu, Xiaohua;Xie, Haicui

作者机构：

关键词： life table; temperature; population projection; development

期刊名称：JOURNAL OF ECONOMIC ENTOMOLOGY （ 影响因子：2.2； 五年影响因子：2.3 ）

ISSN： 0022-0493

年卷期： 2024 年 117 卷 3 期

页码：

收录情况： SCI

摘要： Ostrinia furnacalis (Guenee) (Lepidoptera: Crambidae), a highly destructive pest in Asia, poses a significant threat to maize production by causing substantial yield losses. However, there is a lack of information regarding the impact of temperature variations on its population dynamics and the age-stage and two-sex life table. This study aimed to investigate the impact of 4 temperatures (20 degrees C, 24 degrees C, 28 degrees C, 32 degrees C) on the development, reproduction, and survival of O. furnacalis under controlled laboratory conditions. Our results revealed that O. furnacalis successfully developed, survived, and laid eggs across the tested temperatures (20-32 degrees C). The shortest developmental duration for all immature stages was observed at 32 degrees C. Conversely, increasing temperatures led to decreased longevity. Among the temperatures tested, 28 degrees C proved to be optimal for O. furnacalis, exhibiting the highest intrinsic rate of increase, finite rate of increase, and net reproductive rate. Our findings indicate that O. furnacalis thrives within a wide temperature range of 20-32 degrees C, with 28 degrees C being the most favorable for reproduction. These insights are crucial for predicting population dynamics under diverse climatic conditions and developing effective control strategies against O. furnacalis. This study enhances our understanding of O. furnacalis' life-history traits and provides valuable information for targeted pest management approaches.

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