Effects of temperature on the development and fecundity of <i>Microplitis similis</i> (Hymenoptera: Braconidae), a parasitoid of <i>Spodoptera litura</i> (Lepidoptera: Noctuidae)

Yi, Si‐Jia; Hopkins, Richard; Chen, Xuyang; Chen, Zhuang‐Mei; Wang, Xing; Huang, Guo‐Hua

doi:10.1111/phen.12321

Cited by 7 publications

(6 citation statements)

References 30 publications

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“…The results showed that, when the temperature in the growth chamber was raised from 27 °C to 36 °C, the pupal developmental duration of A. bambawalei was significantly shortened from 7.05 to 5.63 days, and the fecundity and growth rate increased by 40%. The above results are consistent with those of Yi et al [ 30 ]; that is, at higher temperatures, rapid ovarian maturation and acceleration of egg and embryonic development of insects were observed. These results indicate that high temperatures may be conducive to A. bambawalei [ 31 ].…”

Section: Discussionsupporting

confidence: 93%

The Effects of Temperature on the Development, Morphology, and Fecundity of Aenasius bambawalei (=Aenasius arizonensis)

Zhang¹,

Tang²,

Huang

2021

Insects

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The effects of high temperature on the developmental, morphological, and fecundity characteristics of insects, including biological invaders and their accompanying natural enemies, are clear. Phenacoccus solenopsis (Homoptera: Pseudococcidae) is an aggressive invasive insect pest worldwide. Aenasius bambawalei (=Aenasius arizonensis Girault) (Hymenoptera: Encyrtidae) is a predominant accompanying parasitoid of this mealybug. Our previous studies showed that temperature change induced an increase in the female offspring ratio of A. bambawalei. However, whether this increase is the result of a shortened or enhanced development period of the reproductive systems of A. bambawalei remains unknown. Here, we compared the pupal development, hind tibia of female adults, and fecundity of A. bambawalei under different temperatures to clarify the development and morphological changes induced by high temperature and to better understand its potential as an accompanying natural enemy. Our results showed that, at a high temperature (36 °C), the pupal developmental duration of A. bambawalei was only 0.80 times that of the control, and the length of the hind tibia was 1.16 times that of the control. Moreover, high temperature accelerated the developmental rate of gonads and increased the numbers of eggs and sperm. These results indicated that experimental warming shortened the pupal developmental duration, altered the hind tibia length of female adults, and facilitated the fecundity of A. bambawalei. These findings will help to understand the adaptation mechanisms of accompanying natural enemies. Furthermore, these findings will help to make use of this behavior to effectively control invasive pests.

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Section: Discussionsupporting

confidence: 93%

The Effects of Temperature on the Development, Morphology, and Fecundity of Aenasius bambawalei (=Aenasius arizonensis)

Zhang¹,

Tang²,

Huang

2021

Insects

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“…The larvae of S. litura are hosts for the parasitoid wasp M. similis, which is an important biological control agent of the herbivore. M. similis can reduce the weight gain and feed intake of the S. litura larvae and can increase larval mortality [26,27]. In addition, M. similis is a vector of insect ascoviruses-vesicle virus.…”

Section: Introductionmentioning

confidence: 99%

Chinese Cabbage Changes Its Release of Volatiles to Defend against Spodoptera litura

Shi

Zhao

et al. 2022

Insects

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Plants respond to herbivorous insect attacks by releasing volatiles that directly harm the herbivore or that indirectly harm the herbivore by attracting its natural enemies. Although the larvae of Spodoptera litura (the tobacco cutworm) are known to induce the release of host plant volatiles, the effects of such volatiles on host location by S. litura and by the parasitoid Microplitis similis, a natural enemy of S. litura larvae, are poorly understood. Here, we found that both the regurgitate of S. litura larvae and S. litura-infested cabbage leaves attracted M. similis. S. litura had a reduced preference for cabbage plants that had been infested with S. litura for 24 or 48 h. M. similis selection of plants was positively correlated with the release of limonene; linalool and hexadecane, and was negatively correlated with the release of (E)-2-hexenal and 1-Butene, 4-isothiocyanato. S. litura selection of plants was positively correlated with the release of (E)-2-hexenal, 1-Butene, 4-isothiocyanato, and decanal, and was negatively correlated with the release of limonene, nonanal, hexadecane, heptadecane, and octadecane. Our results indicate that host plant volatiles can regulate the behavior of S. litura and M. similis.

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“…A life table is an essential research method for dissecting the impact of environmental factors on insect population dynamics (Chi & Getz, 1988;Chi & Su, 2006;Tuan et al, 2016). The life table parameters have been widely used to evaluate the development and reproduction of pests (Qiu et al, 2012;Yi et al, 2020). The net reproductive rate, generation time, gross reproductive rate and fecundity of T. flavus were the highest at 19 C (Table 2).…”

Section: Discussionmentioning

confidence: 99%

Effect of temperature on the development and reproduction of Thrips flavus (Thysanoptera: Thripidae)

Gao

Ding

Wang

et al. 2022

Agri and Forest Entomology

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In Northeast China, thrips have long been considered a secondary pest of soybean until recent years. No study has provided clear reports regarding the effects of temperature on the development and reproduction of Thrips flavus Schrank (Thysanoptera: Thripidae). Our aim was to study whether the population dynamics of T. flavus were affected by temperatures. Thus, the development, reproduction and growth of T. flavus populations reared on soybean leaves were studied at five different constant temperatures. The temperature and rate of development from eggs to adults were linearly related between 19 and 31°C. The developmental threshold temperature and effective accumulated temperature were 11.60°C and 273.89 degree‐days for the whole generation. The viability of adult survival decreased with the increase in temperature between 19 and 31°C. The value of life expectancy of females ranged from 7.47 days (at 31°C) to 16.66 days (at 22°C), while the life expectancy value of males ranged from 5.33 days (at 19 and 31°C) to 17.0 days (at 25°C). The mean fecundity per female was highest at 19°C, with 7.85 eggs/day. The intrinsic rate of increase was the highest (0.102) at 31°C. The results obtained indicate that temperature is a key factor associated with the development and reproduction of T. flavus on soybean.

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Effects of temperature on the development and fecundity of Microplitis similis (Hymenoptera: Braconidae), a parasitoid of Spodoptera litura (Lepidoptera: Noctuidae)

Cited by 7 publications

References 30 publications

The Effects of Temperature on the Development, Morphology, and Fecundity of Aenasius bambawalei (=Aenasius arizonensis)

The Effects of Temperature on the Development, Morphology, and Fecundity of Aenasius bambawalei (=Aenasius arizonensis)

Chinese Cabbage Changes Its Release of Volatiles to Defend against Spodoptera litura

Effect of temperature on the development and reproduction of Thrips flavus (Thysanoptera: Thripidae)

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