DEET (N,N‐Diethyl‐meta‐toluamide) Induced Delay of Blowfly Landing and Oviposition Rates on Treated Pig Carrion (<i>Sus scrofa</i>L.)

Shelomi, Matan; Matern, Leia M.; Dinstell, Jenna M.; Harris, Daren W.; Kimsey, Robert B.

doi:10.1111/j.1556-4029.2012.02159.x

Cited by 9 publications

(8 citation statements)

References 34 publications

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“…However, they are irrelevant for the current results; hence, they will not be discussed here. The second class are abiotic mediators of insect activity, e.g., air temperature or humidity [ 36 , 37 ], repellents [ 38 – 40 ], or the time of the day [ 41 – 45 ] and biotic mediators of insect activity, e.g., group oviposition effects [ 46 ] or ovarian development status. From this point of view, air temperature seems to be particularly important for the current results.…”

Section: Discussionmentioning

confidence: 99%

Temperature-dependent appearance of forensically useful flies on carcasses

2013

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Flies are frequently used for postmortem interval (PMI) estimations. These estimates are usually based on the age of larval or pupal specimens. However, the age defines only the minimum PMI. In order to move forensic entomology further, a method useful for the estimation of an interval preceding insect appearance on a corpse called the pre-appearance interval (PAI) is needed. Recently, it was demonstrated that the PAI of several carrion beetles is closely related to the temperature prevailing throughout this interval. Hence, it was postulated to estimate PAI from temperature. In order to check premises for using this approach with flies, a test of the relationship between adult or oviposition PAI and temperature was made for nine species of European flies. Data on PAI originated from pig carcasses decomposing under various temperatures. Adult PAI of Hydrotaea dentipes, Hydrotaea ignava, Hydrotaea similis, Phormia regina, and Stearibia nigriceps and oviposition PAI of S. nigriceps were exponentially related to temperature. Only S. nigriceps revealed a close relationship, demonstrating solid premises for PAI estimation from temperature alone. Adult and oviposition PAI of Calliphora vomitoria and adult PAI of Hydrotaea pilipes were not related to temperature. Adult and oviposition PAI of Lucilia sericata and Lucilia caesar responded similarly, with an abrupt and large increase in a narrow range of low temperatures and no response in a broad range of high temperatures. Probably, different mechanisms form the basis for the response of PAI to temperature in flies colonizing carcasses shortly after death and flies colonizing carcasses later in the decomposition process.

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Section: Discussionmentioning

confidence: 99%

Temperature-dependent appearance of forensically useful flies on carcasses

2013

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“…In other contexts, though, the mite can potentially become a protective mutualist by defending burying beetle reproductive success when it is threatened by an enemy species ( Wilson, 1983 ). Blowflies (Calliphoridae) are a particular competitive threat for burying beetles ( Scott, 1994 ; Sun et al, 2014 ) because they can locate the newly dead more rapidly than burying beetles (within a few hours: Shelomi et al, 2012 ); personal observations) and start to lay eggs within minutes of arriving on the dead body ( Bornemissza, 1957 ; Matuszewski et al, 2010 ; Payne, 1965 ). Mites can potentially prevent burying beetles from losing fitness to rival blowflies by eating blowfly eggs ( Springett, 1968 ).…”

Section: Introductionmentioning

confidence: 99%

Temperature stress induces mites to help their carrion beetle hosts by eliminating rival blowflies

Sun

Kilner

2020

eLife

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Ecological conditions are known to change the expression of mutualisms though the causal agents driving such changes remain poorly understood. Here we show that temperature stress modulates the harm threatened by a common enemy, and thereby induces a phoretic mite to become a protective mutualist. Our experiments focus on the interactions between the burying beetle Nicrophorus vespilloides, an associated mite species Poecilochirus carabi and their common enemy, blowflies, when all three species reproduce on the same small vertebrate carrion. We show that mites compete with beetle larvae for food in the absence of blowflies, and reduce beetle reproductive success. However, when blowflies breed on the carrion too, mites enhance beetle reproductive success by eating blowfly eggs. High densities of mites are especially effective at promoting beetle reproductive success at higher and lower natural ranges in temperature, when blowfly larvae are more potent rivals for the limited resources on the carcass.

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“…Larval development can be accelerated by diazepam 26 , codeine 39,40 , heroin 41 , methamphetamine and its metabolite, p-hydroxymethamphetamine 42 . However, hydrocortisone and a barbiturate -sodium methohexital 43 and the insecticide DEET -N, N-Diethyl-meta-toluamide 44 can delay the development of y larvae. Ketamine has no signi cant effect on the larvae's length and weight 45 .…”

Section: Discussionmentioning

confidence: 99%

Reduced body length and morphological disorders in Chrysomya albiceps (Wiedemann, 1819) (Diptera: Calliphoridae) larvae reared on aluminum phosphide-treated rabbits

El‐Ashram¹,

Na²,

Ae³

et al. 2021

Preprint

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Assessing the post-mortem interval (PMI) based on the growth and development of insects is a critical task in forensic entomology. The rate of larvae development can be affected by a variety of toxins, including pesticides. Aluminum phosphide (AlP) is a low-cost insecticide that has yet to be entomotoxicologically tested, despite the fact that it is frequently the cause of fatal poisoning. In this study, we measured the body length of Chrysomya albiceps larvae reared on the carcasses of rabbits poisoned with AlP and analyzed the morphological changes of the larvae reared on the carcasses of rabbits poisoned with AlP. The concentration of AlP in the body of the larvae was significantly lower than in rabbit tissues. Insects from the AlP group had a significantly lower gain in body length. Furthermore, deformities in the larvae were found. Small respiratory spiracles were found, as well as a deformed small posterior end with hypogenesis of the posterior respiratory spiracles. Thus, disturbed growth and development of carrion flies found at a crime scene could indicate pesticide poisoning, such as aluminum phosphide.

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DEET (N,N‐Diethyl‐meta‐toluamide) Induced Delay of Blowfly Landing and Oviposition Rates on Treated Pig Carrion (Sus scrofaL.)

Cited by 9 publications

References 34 publications

Temperature-dependent appearance of forensically useful flies on carcasses

Temperature-dependent appearance of forensically useful flies on carcasses

Temperature stress induces mites to help their carrion beetle hosts by eliminating rival blowflies

Reduced body length and morphological disorders in Chrysomya albiceps (Wiedemann, 1819) (Diptera: Calliphoridae) larvae reared on aluminum phosphide-treated rabbits

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