Analysis of temperature adaptability of Eocanthecona furcellata (Wolff) (Hemiptera: Pentatomidae) based on age-stage, two-sex life table and predatory functional response
Lingyi Liu, Mengshuang Yao, Runa Zhao, Wenlong Chen
TL;DR
This study examines how temperature affects the development and predatory behavior of Eocanthecona furcellata, a key predator of agricultural pests.
Contribution
The study provides new insights into the temperature-dependent life table and functional response of E. furcellata for pest control.
Findings
Development duration of E. furcellata decreases with increasing temperature.
Predation ability and maximum daily predation are highest at 32°C.
E. furcellata shows strong predation preference for fourth-instar larvae of Spodoptera frugiperda.
Abstract
Eocanthecona furcellata (Wolff) (Hemiptera: Pentatomidae) is a key natural predator of agricultural and forestry pests. In nature, temperature affects the growth, development and predation ability of predators. Therefore, this study assessed the growth, development, and reproduction of E. furcellata at 20, 23, 26, 29, and 32°C. Age-stage, two-sex life table analysis showed that the development duration of each stage decreased with increasing temperature. At 20°C, individuals reached adulthood but females did not oviposit. At 29°C, intrinsic and finite rates of increase and fecundity were higher, with values of 0.12, 1.13 and 41.59, respectively. Moreover, the mean generation time was relatively short at 29.98 d. Spodoptera frugiperda (Smith) (Lepidoptera: Noctuidae) is a highly destructive invasive pest that causes severe economic losses to crops. Therefore, this study evaluated the…
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Taxonomy
TopicsHemiptera Insect Studies · Insect-Plant Interactions and Control · Insect Resistance and Genetics