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Integrating temperature-dependent demography, predation rate, and computer simulation for using Arma custos as a biological control agent against Ectropis grisescens

文献类型： 外文期刊

作者： Liu, Qi 1 ; Wang, Lin-Lin 1 ; Zhou, Yu 1 ; He, Si-Yu 3 ; Lin, Chang-Jin 1 ; Jiang, Chen-Nan 4 ; Zhou, Zi-Qin 1 ; Zhou, Yu-Chen 1 ; Chi, Hsin 1 ; Chen, Li-Lin 1 ;

作者机构： 1.Fujian Agr & Forestry Univ, Coll Plant Protect, State Key Lab Agr & Forestry Biosecur, Fuzhou 350002, Fujian, Peoples R China

2.Fujian Agr & Forestry Univ, Coll Hort, Fuzhou 350002, Fujian, Peoples R China

3.Fujian Agr & Forestry Univ, Coll Resources & Environm, Fuzhou 350002, Fujian, Peoples R China

4.Fujian Agr & Forestry Univ, Coll Transportat & Civil Engn, Fuzhou 350002, Fujian, Peoples R China

5.Fujian Acad Agr Sci, Coll Qual Stand & Testing Technol Agroprod, Fujian Prov Key Lab Qual & Safety Agr Prod, Fuzhou 350003, Peoples R China

关键词： predatory stink bug; tea geometrid; age-stage; two-sex life table; predation rate; biological control

期刊名称：ENTOMOLOGIA GENERALIS （ 影响因子：4.6； 五年影响因子：4.4 ）

ISSN： 0171-8177

年卷期： 2025 年 45 卷 2 期

页码：

收录情况： SCI

摘要： Understanding the effect of temperature on the demographic characteristics and predation rate of a predator on the target pest is crucial for an effective biological control. In this study, the life table and predation rate of Arma custos reared on Ectropis grisescens were studied at three temperatures (22, 26, and 30 degrees C). The raw data were analyzed based on the age-stage, two-sex life table theory. The preadult duration and total preoviposition period (TPOP) were significantly shortened at higher temperatures. Although there were no significant differences in the mean fecundity and the net reproductive rate among three temperatures, the intrinsic rate of increase (r) and finite rate of increase (2) at 26 degrees C (r = 0.0549 d-1, 2 = 1.0565 d-1) and 30 degrees C (r = 0.0609 d-1, 2 = 1.0628 d-1) were significantly higher than those at 22 degrees C (r = 0.0281 d-1, 2 = 1.0285 d-1). The highest net predation rate (C0 = 73.95 prey/predator) observed at 26 degrees C was significantly greater than that at 22 degrees C (C0 = 47.92 prey/predator) and 30 degrees C (C0 = 39.63 prey/predator). There were no significant differences in the transformation rate (Qp), the stable predation rate (psi beta) and the finite predation rate (omega beta) among the three temperatures. Computer simulation indicated that population growth and predation potential were higher at 26 and 30 degrees C than at 22 degrees C. In order to optimize the release strategies and the control efficacy using A. custos against E. grisescens, field trials are needed to consider the possible differences between data collected under the laboratory condition and actual tea plantations.

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