Predator-induced stress responses in insects: A review

Cinel, Scott D; Hahn, Daniel A.; Kawahara, Akito Y.

doi:10.1016/j.jinsphys.2020.104039

Cited by 27 publications

(25 citation statements)

References 174 publications

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“…We applied a non-lethal simulated bird attack stimulus in the predator treatment. We used a simulated predator handling to assume a predator induce response, as it has been shown in other studies that a physical non-lethal simulated predator attack induce prey responses to the perceived risk (Watson et al, 2004;Adamo et al, 2017;Bucciarelli et al, 2017;Cinel et al, 2020). Typical bird attack toward a hairy caterpillar include multiple pecking, dropping, and billing, which we tried to stimulate by taking the larva and gently handling it (squeezing) with soft tweezers (to avoid damaging the skin) 20 times.…”

Section: Experimental Designmentioning

confidence: 99%

“…Hence, predator-induced plasticity is perhaps one of the most relevant plastic responses, and has been shown to stimulate changes in prey morphology, behavior and life history for a variety of taxa (Tollrian, 1995;Tollrian and Dodson, 1999;Roff, 2002;Benard, 2004;Hammill et al, 2008). For example, studies using a variety of predator-simulated attack mechanisms have led to inducible variation in prey responses such as immunosuppression or variation in chemical defenses concentration (toxins) (Watson et al, 2004;Adamo et al, 2017;Bucciarelli et al, 2017;Cinel et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

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Predator-Induced Plasticity on Warning Signal and Larval Life-History Traits of the Aposematic Wood Tiger Moth, Arctia plantaginis

2021

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Predator-induced plasticity in life-history and antipredator traits during the larval period has been extensively studied in organisms with complex life-histories. However, it is unclear whether different levels of predation could induce warning signals in aposematic organisms. Here, we investigated whether predator-simulated handling affects warning coloration and life-history traits in the aposematic wood tiger moth larva, Arctia plantaginis. As juveniles, a larger orange patch on an otherwise black body signifies a more efficient warning signal against predators but this comes at the costs of conspicuousness and thermoregulation. Given this, one would expect that an increase in predation risk would induce flexible expression of the orange patch. Prior research in this system points to plastic effects being important as a response to environmental changes for life history traits, but we had yet to assess whether this was the case for predation risk, a key driver of this species evolution. Using a full-sib rearing design, in which individuals were reared in the presence and absence of a non-lethal simulated bird attack, we evaluated flexible responses of warning signal size (number of orange segments), growth, molting events, and development time in wood tiger moths. All measured traits except development time showed a significant response to predation. Larvae from the predation treatment developed a more melanized warning signal (smaller orange patch), reached a smaller body size, and molted more often. Our results suggest plasticity is indeed important in aposematic organisms, but in this case may be complicated by the trade-off between costly pigmentation and other life-history traits.

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Section: Experimental Designmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Predator-Induced Plasticity on Warning Signal and Larval Life-History Traits of the Aposematic Wood Tiger Moth, Arctia plantaginis

2021

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“…A large number of literature have reported that RLPN has a better resection outcome than the open surgery in treating renal tumors not less than 4 cm in diameter [ 19 , 20 ], because laparoscopy can provide doctors with a clear view of operation for comprehensively observing and magnifying the lesions, so that the intraoperative tissue dissection and lesion resection are more accurate and the surgical operation damage to surrounding tissues and nerves is reduced. At the same time, using the ultrasonic knife can quickly excise the lesions, reduce intraoperative blood loss, and more benefit the recovery of intestinal function in patients, thus shortening the hospital stay [ 21 , 22 ]. However, despite all the advantages of RLPN, it still has the disadvantages of longer learning curve, higher demand for doctors’ operational level, and longer operative time.…”

Section: Discussionmentioning

confidence: 99%

Clinical outcomes and effect on intraoperative blood loss and postoperative pain of patients undergoing retroperitoneal laparoscopic partial nephrectomy for complex renal tumors

Guo

Chen

et al. 2021

World J Surg Onc

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Objective To explore the clinical outcomes and effect on intraoperative blood loss and postoperative pain of patients undergoing the retroperitoneal laparoscopic partial nephrectomy (RLPN) for complex renal tumors. Methods Fifty patients with complex renal tumor admitted to our hospital from February 2017 to February 2019 were selected as the research object and divided into the RLPN group (given the retroperitoneal laparoscopic partial nephrectomy, n = 24) and the OPN group (given the open partial nephrectomy, n = 26) by number table method to compare their various perioperative indicators and serum stress response and analyze the clinical effect of different surgical methods on the complex renal tumor. Results The clinical information of patients in both groups were not significantly different (P > 0.05); in addition to the operative time, the intraoperative blood loss, hospital stay, warm ischemia time, and numerical rating scale (NRS) scores of the RLPN group were clearly lower than those of the OPN group (P < 0.05); after treatment, patients in the RLPN group obtained significantly lower white blood cell (WBC) count, cortisol, and c-reactive protein (CRP) levels than the OPN group (P < 0.05); the renal glomerular filtration rate (GFR) of the affected side, quality of life scores, and 3-year overall survival rate of treated patients in the RLPN group were obviously higher than those in the OPN group (P < 0.05); and patients in the RPLN group had significantly lower incidence rate (P < 0.05). Conclusion Compared with OPN, RLPN is more worthy of promotion and application, because it has better treatment outcomes, significantly reduces intraoperative blood loss, alleviates the body stress response and postoperative pain, and improves the quality of life.

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“…While each predation event only influences a single prey per unit of time, the risk introduced by the mere presence of a predator could have more widespread effects by causing many prey individuals to significantly alter their foraging behaviour in that same period of time (Cinel et al, 2020). Moreover, trade-offs are probably included in insect prey responding to various threats.…”

mentioning

confidence: 99%

“…Understanding of such nonlethal effects of insectivorous predators is especially important as insects are the most dominant animal group on Earth (Stork et al, 2015), serve as prey for many different predators and consume up to 70% of total leaf area in some habitats. Although insects have an extraordinary diversity of anti-predator behavioural and physiological responses, predator-induced stress has not been studied extensively in insects (Cinel et al, 2020).…”

mentioning

confidence: 99%

Nonlethal effects of predation: Presence of insectivorous birds affects the behaviour and level of stress in insects

Kollross,

Jancuchova-Laskova,

Kleckova

et al. 2022

Preprint

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Insect exposure to their predators can affect individuals and community processes, through direct consumption or nonlethal (i.e., nonconsumptive) effects. However, the links between behavioural and physiological responses and stimuli needed for development of the fear are not clear. We therefore subjected the desert locusts (Schistocerca gregaria) to three nonlethal treatments, using the great tits (Parus major) as a potential predator. The treatments involved: (1) bird - presence of a live great tit and its calls, (2) call - great tit calls only, (3) control - without any treatment. In the first behavioural laboratory experiment, hungry locusts were kept in an experimental cage with a shelter and food on opposite sides of the cage. The duration of hiding and feeding were considered as an indicator of fear responses. In the second laboratory experiment with the same three treatments, levels of the adipokinetic hormone (AKH) were evaluated in the central nervous system (CNS) and haemolymph. In the third experiment in an outdoor aviary, birds were free to fly in larger distances from locusts, before hormone levels were measured as response to bird and control treatments. In the first behavioural experiment, the presence of tits and their call resulted in significantly longer hiding time and significantly shorter feeding time than in the call/control treatments. The proximity of birds and locusts in the laboratory experiment elicited a significant increase in the AKH levels in the CNS and haemolymph as compared to the call/control treatments. In the outdoor experiment, the AKH levels were significantly higher in the CNS of locusts exposed to the bird than to control; no difference was recorded in their haemolymph. We showed that predator exposure quickly affected behavioural responses and physiological processes of locusts. Playback of the avian calls was not an appropriate stimulus to induce stress responses in desert locusts.

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Predator-induced stress responses in insects: A review

Cited by 27 publications

References 174 publications

Predator-Induced Plasticity on Warning Signal and Larval Life-History Traits of the Aposematic Wood Tiger Moth, Arctia plantaginis

Predator-Induced Plasticity on Warning Signal and Larval Life-History Traits of the Aposematic Wood Tiger Moth, Arctia plantaginis

Clinical outcomes and effect on intraoperative blood loss and postoperative pain of patients undergoing retroperitoneal laparoscopic partial nephrectomy for complex renal tumors

Nonlethal effects of predation: Presence of insectivorous birds affects the behaviour and level of stress in insects

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