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Influence of temperature on the development and reproduction of Habrobracon hebetor (Say), as parasitoid of Opisina arenosella Walker

文献类型： 外文期刊

作者： Wu, Qiqi 1 ; Yan, Sanqiang 1 ; Lyu, Baoqian 1 ; Wu, Xiaoshuang 4 ; Lu, Hui 1 ; Tang, Jihong 1 ; Tang, Xue 1 ; Su, Hao 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Minist Agr & Rural Affairs, Key Lab Integrated Pest Management Trop Crops, Haikou, Hainan, Peoples R China

2.Chinese Acad Trop Agr Sci, Proving Ground, Danzhou, Peoples R China

3.Hainan Univ, Coll Forestry, Haikou, Hainan, Peoples R China

4.Chinese Acad Trop Agr Sci, Rubber Res Inst, Haikou, Hainan, Peoples R China

关键词： Opisina arenosella Walker; Habrobracon hebetor Say; reproduction; development; biological control

期刊名称：INTERNATIONAL JOURNAL OF PEST MANAGEMENT （ 影响因子：1.766； 五年影响因子：1.513 ）

ISSN： 0967-0874

年卷期：

页码：

收录情况： SCI

摘要： Opisina arenosella Walker is a coconut leaf-eating caterpillar that invaded the Hainan Province of China in 2013. Habrobracon hebetor Say is an ectoparasitoid used as a control agent of various lepidopteran pests. Laboratory experiments were conducted to determine the effects of constant temperatures (16, 20, 24, 28, and 32 degrees C) on the parasitism, development, survival, and reproduction of H. hebetor on O. arenosella. The results showed that developmental duration and adult longevity shortened with the increase in temperature. The preadult survival rates were higher at 20 to 32 degrees C (55 to 72%) than at other temperatures. The parasitism rate and the fecundity increased with the increase in temperature, and reached the highest value at 28 degrees C (82.03% and 325.17 eggs), then decreased at 32 degrees C (76.96% and 152.57 eggs). The developmental threshold (T-0) and effective accumulated temperature (k) for completing a generation of H. hebetor were 13.71 degrees C and 143.28 degree days, respectively. At 28 degrees C, net reproductive rate (R-0) and intrinsic rate of increase (r) were 65.03 and 0.229 d(-1), respectively. These results can provide a reference for mass rearing and field release of H. hebetor on O. arenosella.

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