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首页> 外文期刊>Journal of Economic Entomology >Interactive influence of temperature and relative humidity on egg parasitoids of Riptortus pedestris (Hemiptera: Alydidae)
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Interactive influence of temperature and relative humidity on egg parasitoids of Riptortus pedestris (Hemiptera: Alydidae)

机译：温度和相对湿度对立达臭虫卵半寄生虫的相互作用的影响（半翅目：天蛾科）

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摘要

Previous studies reported that of the two egg parasitoids of Riptortus pedestris (F.) (Hemiptera: Alydidae) found in Korea, Gryon japonicum (Ashmead) (Hymenoptera: Scelionidae) appears in soybean fields much earlier than Ooencyrtus nezarae Ishii (Hymenoptera: Encyrtidae). To explain this phenomenon, we evaluated the interactive influence of temperature and relative humidity (RH) on the biological attributes of these parasitoids, including adult parasitoid longevity and survival. Temperature had significant effects on all the biological attributes examined for both parasitoids, while RH only affected rates of parasitism and adult emergence. Interaction between temperature and species, but not RH and species was found to affect significantly on parasitism. G. japonicum showed higher relative increment in parasitism than O. nezarae at temperatures higher than 25°C. No significant differences in progeny sex ratio were detected for either species at any temperature X humidity combination. RH had no effect on the developmental time of O. nezarae but on the developmental time of G. japonicum, which was longer at low RH. Although the biological attributes of adult parasitoids of both species showed a wide range of adaptability, but it did not explain the patterns of occurrence of these species in the field. However, G. japonicum showed greater longevity than O. nezarae at all combinations of temperature and RH and this may partially explain the seasonal pattern of occurrence of adult parasitoids in the field previously observed.
机译：先前的研究报告说，在韩国发现的两个拟南芥（F.）（半翅目：Alydidae）卵寄生虫中，Gr豆（Ashmead）（膜翅目：Scelionidae）出现在大豆田中的时间要早​​于Ooencyrtus nezarae Ishii（膜翅目：Encyrtidae）。 。为了解释这种现象，我们评估了温度和相对湿度（RH）对这些寄生虫的生物学属性（包括成年寄生虫的寿命和存活）的交互影响。温度对两种寄生虫的所有生物学特性均具有显着影响，而相对湿度仅影响寄生虫和成虫的发生率。发现温度和物种之间的相互作用，但相对湿度和物种之间没有相互作用，对寄生虫有显着影响。在温度高于25°C的情况下，日本锦葵在寄生虫中的相对增幅高于ne。nezarae。在任何温度×湿度组合下，两种物种均未检测到后代性别比的显着差异。相对湿度对ne.aezarae的发育时间没有影响，但是对日本鹅气菌的发育时间没有影响，在低湿度条件下，其生长时间更长。虽然这两个物种的成虫寄生生物的生物学特性均显示出广泛的适应性，但并未解释这些物种在田间的发生方式。然而，在温度和相对湿度的所有组合下，日本刺槐的寿命都比鼠尾草更长，这可能部分解释了以前观察到的田间寄生虫发生的季节性模式。

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