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Effect of temperature on the development time and life‐time fecundity of Trichopria anastrephae parasitizing Drosophila suzukii
Journal of Applied Entomology ( IF 1.9 ) Pub Date : 2020-07-26 , DOI: 10.1111/jen.12799
Julia G. A. Vieira 1 , Alexandra P. Krüger 1 , Tiago Scheuneumann 1 , Amanda M. Garcez 1 , Maira C. Morais 1 , Flávio R. M. Garcia 2 , Dori E. Nava 3 , Daniel Bernardi 1
Affiliation  

The aim of this study was to evaluate the effect of temperature (10, 15, 20, 25, 30 and 35°C), on the development time and life‐time fecundity of Trichopria anastrephae Lima, 1940 (Hymenoptera: Diapriidae) parasitizing Drosophila suzukii (Matsumura, 1931) (Diptera: Drosophilidae). D. suzukii pupae that were up to 24‐hr old were submitted to T. anastrephae parasitism for 24 hr. They were placed in plastic containers (50 ml) (ten pupae per container) in climatic chambers at temperatures of 10, 15, 20, 25, 30 and 35°C ± 1°C with a relative humidity of 70% ± 10% and a 12 hr photoperiod. For the adult phase, T. anastrephae couples that were up to 24 hr old were each placed in plastic cages (300 ml) and kept at the same temperatures cited above until their deaths. The higher numbers of parasitism and offspring production were obtained at temperatures between 15 and 25ºC. At the temperatures of 10 and 35ºC, there was no emergence of individuals. The lower thermal threshold (Tt) for the egg to adult period was ≈ 14.6°C for males and females with thermal constants (K) of 384.61 and 432.90, respectively. In terms of the fertility life table, T. anastrephae at 20 and 25°C presented shorter generation time (T) and higher net reproductive rates (Ro) in relation to other temperatures. The data show the ability of T. anastrephae to adapt to different thermal conditions, which is important for biological control programmes of D. suzukii.

中文翻译:

温度对寄生铃木果蝇发育期和终生繁殖力的影响

本研究的目的是评估温度(10、15、20、25、30 和 35°C)对寄生果蝇的 Trichopria anastrephae Lima, 1940(膜翅目:Diapriidae)的发育时间和终生繁殖力的影响suzukii (Matsumura, 1931) (双翅目:果蝇科)。D. suzukii 蛹在 24 小时内被提交给 T. anastrephae 寄生 24 小时。将它们置于气候室中的塑料容器(50 毫升)(每个容器 10 只蛹)中,温度为 10、15、20、25、30 和 35°C ± 1°C,相对湿度为 70% ± 10% 和12 小时光周期。对于成年阶段,最多 24 小时的按实蝇夫妇被分别放入塑料笼子(300 毫升)中,并保持在上述相同的温度下,直到它们死亡。在 15 到 25ºC 之间的温度下获得更多的寄生和后代产量。在10和35ºC的温度下,没有个体出现。雄性和雌性从卵到成年期的较低热阈值 (Tt) 约为 14.6°C,热常数 (K) 分别为 384.61 和 432.90。在生育生命表方面,与其他温度相比,在 20 和 25°C 的 T. anastrephae 表现出更短的世代时间 (T) 和更高的净繁殖率 (Ro)。数据显示了按实蝇适应不同热条件的能力,这对铃木果蝇的生物控制程序很重要。男性和女性的温度为 6°C,热常数 (K) 分别为 384.61 和 432.90。在生育生命表方面,与其他温度相比,在 20 和 25°C 的 T. anastrephae 表现出更短的世代时间 (T) 和更高的净繁殖率 (Ro)。数据显示了按实蝇适应不同热条件的能力,这对铃木果蝇的生物控制程序很重要。男性和女性的温度为 6°C,热常数 (K) 分别为 384.61 和 432.90。在生育生命表方面,与其他温度相比,在 20 和 25°C 的 T. anastrephae 表现出更短的世代时间 (T) 和更高的净繁殖率 (Ro)。数据显示了按实蝇适应不同热条件的能力,这对铃木果蝇的生物控制程序很重要。
更新日期:2020-07-26
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