Effects of Ultrasound-Stress on Antioxidant Enzyme Activities of Helicoverpa Armigera (Hübner) (Lepidoptera: Noctuidae)

Zha, Yu-Ping; Lei, Chaoliang

doi:10.3954/1523-5475-28.1.34

Cited by 10 publications

(5 citation statements)

References 33 publications

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“…Thus, FM calls might pose a higher predation risk than CF calls. Noise is also a common abiotic environmental stress factor affecting organisms, which has a significant negative impact on the physiological ecology of organisms (Zha and Lei, 2012). In our study, the white noise frequency was 0-100 kHz which was wider than the bandwidth of two bats echolocation calls.…”

Section: Discussionmentioning

confidence: 69%

“…M. fuliginosus prefers to forage in open farmland (Alberdi et al, 2020), R. sinicus prefers to forage in complex habitats (Aldridge and Rautenbach, 1987), and the former has a broader range of calls. The tympanic membranes of nocturnal moths can detect ultrasound frequencies from 10 to 100 kHz, but they are better at detecting frequencies between 20 and 50 kHz (Zha and Lei, 2012). The bandwidth of the echolocation calls of M. fuliginosus was larger than that of the CF bat R. sinicus.…”

Section: Discussionmentioning

confidence: 90%

“…However, our results were contrary to this pattern. Predation risk can increase stress in prey, decrease antioxidant defenses, and result in oxidative damage (Zha and Lei, 2012;Stoks, 2013, 2014;Roux et al, 2021;Venkanna et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

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Effects of predation risks of bats on the growth, development, reproduction, and hormone levels of Spodoptera litura

et al. 2023

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Predation is a powerful selection pressure that shapes predator–prey interactions. Due to long-term interactions, moths have developed hearing to detect the echolocation calls of bats. This allows bats to impose the non-consumptive effects of predation on moths. However, information on the changes in the growth, development, reproduction, and hormones of moths that are vulnerable to bat predation is limited. In this study, we used Spodoptera litura (Lepidoptera: Noctuidae) to determine the effects of the predation risks of bats on their growth, development, reproduction, and hormone titers. Our results showed that the larvae of S. litura increased food intake, accelerated the development of the larval stages, increased mortality and metamorphosis failure, and had a smaller body size under the risk of predation by bats. Additionally, the reproductive activity and fecundity decreased in the adults of S. litura, but the juvenile hormone titers and 20-Ecdydysone hormone titers increased. These results suggested an adaptive response in S. litura under bat predation risks at the cost of lower survival and reproduction. Finally, we found that S. litura moths showed different responses to different predation risk cues, which suggested that they might assess the magnitude of different predation risks to make the most suitable decision for survival and reproduction. Our results highlight the importance of the predation risk imposed by bats to negatively regulate the population dynamics of moths. Our findings indicated that the biological control of bugs using bats is a promising strategy.

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Section: Discussionmentioning

confidence: 69%

Section: Discussionmentioning

confidence: 90%

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Effects of predation risks of bats on the growth, development, reproduction, and hormone levels of Spodoptera litura

et al. 2023

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“…Prey can also use tactile and visual cues to sense predator presences [ 14 ] or distinguish vibrational cues from predators vs. non-predators [ 58 ]. For example, the tympanic membranes of nocturnal moths can detect bat-like ultrasound frequencies from 10 to 100 kHz, but they are better at detecting frequencies between 20 and 50 kHz [ 59 ]. And fruit fly D. melanogaster adults perceived parasitic wasps primarily by visual cues [ 10 ].…”

Section: Discussionmentioning

confidence: 99%

Non-Consumptive Effects of Harmonia axyridis on the Reproduction and Metabolism of Spodoptera frugiperda

Fan,

Lv,

Huang

et al. 2024

Insects

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An increasing body of research has underscored the significant impact of non-consumptive effects on the dynamics of prey pests, encompassing growth, development, reproduction, and metabolism across various vertebrate and invertebrate taxa, rivaling the influence of consumption effects. In our investigation, we delved into the non-consumptive effects exerted by the natural predatory enemy Harmonia axyridis on the reproductive capacity and metabolism of Spodoptera frugiperda adults. Our findings revealed a substantial decrease in the reproductive ability of S. frugiperda adults when exposed to the non-consumptive effects of H. axyridis. Concurrently, we observed an elevation in hydrogen peroxide (H2O2) content and the activities of antioxidant enzymes such as superoxide dismutases (SODs), catalases (CATs), and peroxidases (PODs). Furthermore, notable alterations were detected in energy metabolism, characterized by heightened triglyceride levels and diminished glycogen and trehalose concentrations. These outcomes underscored the adaptive response of the pest aimed at mitigating non-consumptive adverse effects by augmenting antioxidant enzyme activity to counteract oxidative stress and minimize cellular damage. Nonetheless, this defensive mechanism entails a significant expenditure of energy resources, resulting in shifts in energy utilization. Elevated triglyceride levels and reduced glycogen and trehalose concentrations diminish available resources for reproductive processes, such as egg laying, ultimately culminating in decreased fecundity. This study contributes novel insights into the non-consumptive effects observed in insects, while also furnishing valuable insights into the mechanisms underlying insect stress responses.

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“…The application of acoustic technology in pest management is increasingly very rapidly based on techniques for producing signals that disrupt vibrational communication, as well as the development of control treatments by combining pheromones with precisely patterned sonic or vibrational signals 15 . Ultrasound can significantly affect insects, where it can reduce the amount of eggs laid and the mating time for adult Plodia interpunctella (Hübner) (Lepidoptera: Pyralidae), as well as modulating the acetylcholinesterase and antioxidant enzyme systems in Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) [16][17][18] . The ultrasound (60-80 kHz) also had a significant influence on the flight behavior of Myrmeleon hyalinus (Neuroptera Myrmeleontidae) 19 .…”

mentioning

confidence: 99%

Influence of ultrasound on juvenile hormone titers in Monochamus alternatus Hope (Coleoptera: Cerambycidae)

Zha

Zhang

et al. 2021

Sci Rep

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Abiotic stress factors can significantly affect insects. In particular, the stressful effects of exposure to ultrasound on insects are considered important. In the present study, we investigated the effects of ultrasound on the important global pest Monochamus alternatus (Coleoptera: Cerambycidae), which is the main vector of the pinewood nematode. We exposed M. alternatus adults (aged 1 day, 3 days, and 5 days) to ultrasound at different frequencies (using two ultrasonic devices, i.e., LHC20 with a mixture of frequencies at 35 kHz, 70 kHz, and 105 kHz; and GFG-8016G at two separate frequencies of 30 kHz and 60 kHz) for different periods of time (1 h, 12 h, and 24 h), before evaluating the juvenile hormone III (JHIII) titers. All of the ultrasound treatments significantly decreased the JHIII titers in M. alternatus adults. The decreases in the JHIII titers due to ultrasound exposure did not differ according to sex, but the effects on beetles of different ages differed significantly depending on the duration of exposure. The decreases in the JHIII titers were highest in male and female beetles after exposure to ultrasound for 12 h. Following exposure to ultrasound for any time period, the decreases in the JHIII titers were lower in adults aged 3 days than those aged 1 day and 5 days. The different ultrasonic frequencies led to variable decreases in the JHIII titers in M. alternatus adults, where the greatest decreases occurred in beetles exposed to ultrasound at 60 kHz. Our results indicate that ultrasound can negatively affect the normal JHIII levels and it may further disrupt sexual maturation by M. alternatus adults.

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Effects of Ultrasound-Stress on Antioxidant Enzyme Activities of Helicoverpa Armigera (Hübner) (Lepidoptera: Noctuidae)

Cited by 10 publications

References 33 publications

Effects of predation risks of bats on the growth, development, reproduction, and hormone levels of Spodoptera litura

Effects of predation risks of bats on the growth, development, reproduction, and hormone levels of Spodoptera litura

Non-Consumptive Effects of Harmonia axyridis on the Reproduction and Metabolism of Spodoptera frugiperda

Influence of ultrasound on juvenile hormone titers in Monochamus alternatus Hope (Coleoptera: Cerambycidae)

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