Academic literature on the topic 'Necrophilous'

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Journal articles on the topic "Necrophilous"

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Wang, Bo, Shan Ha, Jifeng Cai, et al. "Exploratory Study on DNA Barcode Combined with PCR-HRM Technology for Rapid and Accurate Identification of Necrophilous Fly Species." Insects 16, no. 6 (2025): 590. https://doi.org/10.3390/insects16060590.

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Molecular species identification plays an increasingly important role in forensic entomology and is centered on selecting appropriate DNA barcodes, which there are not yet enough of. Such identification is decisive in discovering a better DNA barcode for the identification of necrophilous fly species. Here, we analyzed 10 common necrophilous fly species found on Hainan Island; designed 12 pairs of fly-specific primers from different mitochondrial regions; screened two fly DNA barcodes with better results than those of published studies, which were used as controls; and employed a high-resolution melting (HRM) curve to construct PCR-HRM technology systems for rapid and efficient necrophilous fly species identification. The results showed that, among the 14 DNA barcoding PCR-HRM systems, the newly designed COXII-519/COXII-615 primer was the best, which identified 10 necrophilous fly species in one test. The second-best system was the C1-J-2495/C1-N-2800 primer published in the literature, which identified six fly species in one test. Moreover, since the COXII-519/COXII-615 primer system performed successfully in both stale (stored over two years) and larval samples due to its short amplificated fragment (shorter than 97 bp), it may serve as a new efficient DNA barcode for necrophilic fly species identification. The new DNA barcoding PCR-HRM system established in this study enables the rapid and accurate identification of necrophilic fly species.
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Cruise, Angela, Madhavi L. Kakumanu, David W. Watson, and Coby Schal. "Effects of Carrion Relocation on the Succession of Newly Arriving Adult Necrophilous Insects." Journal of Medical Entomology 57, no. 1 (2019): 164–72. http://dx.doi.org/10.1093/jme/tjz164.

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Abstract Ecological succession of necrophilous insects follows a predictable sequence, related to their differential attraction to changing odor profiles associated with carrion and colonizing insects. However, the dependency of insect arrival on the duration of the carrion’s residency at a location has not been investigated. To assess the fidelity of necrophilous insects to carrion of specific decomposition ages, independent of its location, we monitored the decomposition of neonate pigs in one field and then simultaneously relocated carcasses of different decomposition ages to an ecologically similar but remote field. We examined the effects of decomposition age and relocation on the assembly of the necrophilous insect community, using a novel vented-chamber trap, which excluded all sensory cues except odors. Community composition differed over a 4-d decomposition period, showing that insects were differentially attracted to pigs of different decomposition ages. There was overall concordance between respective decomposition ages in the two fields, with similar relative abundances of taxa before and after transfer. Although different decomposition ages continued to attract different insects, differentiation of the necrophilous insect communities relative to the age of decomposition was less pronounced after transfer. The results of this study demonstrate that translocating a decomposing body to a new, but geographically and ecologically similar location continues the predicted insect succession, albeit with greater variance, based on olfactory cues alone. Several rare taxa were sampled only prior to relocation, including the first documentation of the invasive hairy maggot blow fly, Chrysomya rufifacies (Macquart) (Diptera: Calliphoridae), in central North Carolina.
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Leong, Chi-Man, Matan Shelomi, Chung-Chi Lin, and Shiuh-Feng Shiao. "Necrophilous Ants (Hymenoptera: Formicidae) in Diverse Habitats in Taiwan." Sociobiology 66, no. 2 (2019): 209. http://dx.doi.org/10.13102/sociobiology.v66i2.3491.

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Ants are a highly diverse group that not only are often strongly associated with certain habitat types, but also can be found on carcasses and, therefore, in crime scenes. In the present study, a survey of the necrophilous ants in Taiwan was conducted and a preliminary species checklist was provided for the first time. The aim of this study was primarily to offer information on Taiwanese ant species of forensic significance. A total of 50 ant species/morphospecies from 26 genera were collected from large scale regions in Taiwan using combination pig liver bait and pitfall traps, bringing the Taiwanese necrophilous ants up to 55 species from 33 genera within the known Taiwanese ant fauna of 288 species from 71 genera. Seventeen species found in this study are tramp or potentially exotic species, which often dominated the baits. Use of pitfall traps increased the diversity of ants collected relative to hand-collecting from the carcass, adding useful data. These necrophilous ants may play important roles in carcass decomposition and can be useful in reconstructing crime scenes, as certain ants are more common in certain habitat types. This checklist and accompanying habitat information of these ants is likely the first such comprehensive data in Taiwan applying ants to the field of forensic entomology.
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Psarev, A. M. "Materials for the study of the fauna of Coleoptera specially protected natural areas of the Altai territory (the mouth of the Peschanaya river)." Bulletin of Nizhnevartovsk State University, no. 2 (June 20, 2020): 97–101. http://dx.doi.org/10.36906/2311-4444/20-2/12.

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The Altai Territory is notable for its poorly studied entomofauna of specially protected natural areas. The work first provides the results of the study of the fauna of necrophilous Coleoptera on the territory of the natural monument "The Mouth of the Peschanaya River". The collection was conducted with the help of soil traps with bait. 51 species from 7 Coleptera families were found. Carabidae and species of other families not belonging to the ecological group under study were not taken into account. Staphylinidae was the most numerous in terms of species (54,9% of the total number of species), significantly inferior to Silphidae and Scarabaeidae (13,7% and 9,8% respectively), the share of the remaining four families (Histeridae, Leiodidae, Hydrophilidae, Dermestidae) was 21,6% in total. Silphidae (Nicrophorus vespillo, Oiceoptoma thoracicum, etc.) dominated the numbers. The dominant species (Nicrophorus vespilloides) belongs to the same family. Common and numerous were Anoplotrupes stercorosus, Aphodius rectus (Scarabaeidae), Sciodrepoides watsoni (Leiodidae). Of staphilinids, the most numerous in terms of species were not dominant, only three species (Philonthus cruentatus, Aleochara curtula, Drusilla canaliculata) had the second class of abundance, the rest were single species, from 1 to 4 individuals. In Staphylinidae, in addition to the usual herpetobionic and necrophilous species, species characteristic of the banks of reservoirs (Philonthus quisquiliarius, Bledius sp.), fungi (Oxyporus maxillosus, Gyrophena sp.) were present in the collections. An assessment of species richness, dominance and equilibrium in the community of necrophilous Coleoptera showed average values of Shannon index (H = 2,2), Berger-Parker index (d = 0, 0,43) and Pielou’s evenness index (E = 0, 0,57).
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Correa, Rodrigo C., Fernando W. T. Leivas, Daniel P. Moura, and Lucia M. Almeida. "Necrophilous Histeridae (Insecta: Coleoptera): What do We Know after 200 Years?" Coleopterists Bulletin 74, no. 2 (2020): 375–83. https://doi.org/10.1649/0010-065X-74.2.375.

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Correa, Rodrigo C., Leivas, Fernando W. T., Moura, Daniel P., Almeida, Lucia M. (2020): Necrophilous Histeridae (Insecta: Coleoptera): What do We Know after 200 Years? The Coleopterists Bulletin 74 (2): 375-383, DOI: 10.1649/0010-065X-74.2.375, URL: http://dx.doi.org/10.1649/0010-065x-74.2.375
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Watson, E. J., and C. E. Carlton. "Spring Succession of Necrophilous Insects on Wildlife Carcasses in Louisiana." Journal of Medical Entomology 40, no. 3 (2003): 338–47. http://dx.doi.org/10.1603/0022-2585-40.3.338.

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Baldridge, Robert S., Susan G. Wallace, and Ryan Kirkpatrick. "Investigation of Nocturnal Oviposition by Necrophilous Flies in Central Texas*." Journal of Forensic Sciences 51, no. 1 (2006): 125–26. http://dx.doi.org/10.1111/j.1556-4029.2005.00022.x.

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von Hoermann, Christian, Tomáš Lackner, David Sommer, Marco Heurich, M. Eric Benbow, and Jörg Müller. "Carcasses at Fixed Locations Host a Higher Diversity of Necrophilous Beetles." Insects 12, no. 5 (2021): 412. http://dx.doi.org/10.3390/insects12050412.

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In contrast to other necromass, such as leaves, deadwood, or dung, the drivers of insect biodiversity on carcasses are still incompletely understood. For vertebrate scavengers, a richer community was shown for randomly placed carcasses, due to lower competition. Here we tested if scavenging beetles similarly show a higher diversity at randomly placed carcasses compared to easily manageable fixed places. We sampled 12,879 individuals and 92 species of scavenging beetles attracted to 17 randomly and 12 at fixed places exposed and decomposing carcasses of red deer, roe deer, and red foxes compared to control sites in a low range mountain forest. We used rarefaction-extrapolation curves along the Hill-series to weight diversity from rare to dominant species and indicator species analysis to identify differences between placement types, the decay stage, and carrion species. Beetle diversity decreased from fixed to random locations, becoming increasingly pronounced with weighting of dominant species. In addition, we found only two indicator species for exposure location type, both representative of fixed placement locations and both red listed species, namely Omosita depressa and Necrobia violacea. Furthermore, we identified three indicator species of Staphylinidae (Philonthus marginatus and Oxytelus laqueatus) and Scarabaeidae (Melinopterus prodromus) for larger carrion and one geotrupid species Anoplotrupes stercorosus for advanced decomposition stages. Our study shows that necrophilous insect diversity patterns on carcasses over decomposition follow different mechanisms than those of vertebrate scavengers with permanently established carrion islands as important habitats for a diverse and threatened insect fauna.
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Márquez, Juan. "ECOLOGICAL PATTERNS IN NECROPHILOUS STAPHYLINIDAE (INSECTA: COLEOPTERA) FROM TLAYACAPAN, MORELOS, MÉXICO." ACTA ZOOLÓGICA MEXICANA (N.S.), no. 89 (August 18, 2003): 69–83. http://dx.doi.org/10.21829/azm.2003.89891775.

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Se estudiaron los Staphylinidae necrófilos en cinco sitios de Tlayacapan, Morelos, México. Se colectaron 5,192 ejemplares de 76 especies, utilizando necrotrampas modelo NTP-80. Los sitios 1 (bosque de pino-encino), 3 (bosque mesófilo de montaña) y 4 (bosque tropical caducifolio) presentaron menor grado de perturbación, poca variación de temperatura y alta humedad; en contraste, los sitios 2 (bosque de pino) y 5 (ecotono entre cultivos y bosque tropical caducifolio) presentaron mayor perturbación, alta variación de temperatura y baja humedad. La mayor riqueza de especies, abundancia y diversidad se registró en los primeros sitios (1, 3 y 4) posiblemente debido a la mayor abundancia de alimento, refugios y a las condiciones abióticas más estables y favorables. La mayor riqueza de especies y abundancia ocurrió durante la época de lluvias en todas los sitios, excepto en el sitio 4, donde el mayor pico de abundancia fue en la época seca debido a que los recursos se concentran en la parte más húmeda de este lugar. Los resultados sugieren que los estafilínidos necrófilos se distribuyen preferentemente en sitios poco perturbados y muy húmedos. Los niveles de humedad durante la época seca pueden ser un factor limitante en la distribución y/o actividad de algunas especies.
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Correa, Rodrigo C., Fernando W. T. Leivas, Daniel P. Moura, and Lucia M. Almeida. "Necrophilous Histeridae (Insecta: Coleoptera): What do We Know after 200 Years?" Coleopterists Bulletin 74, no. 2 (2020): 375. http://dx.doi.org/10.1649/0010-065x-74.2.375.

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Dissertations / Theses on the topic "Necrophilous"

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(7041968), Kelie C. Yoho. "Necrophilous Insect Attraction to Cadaveric Volatile Organic Compounds." Thesis, 2019.

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<p> Though it is well established that insects are attracted to decomposing vertebrates, little is known about the mechanism of attraction. Olfaction is thought to be the primary sense involved in resource location by necrophilous insects, and several studies have attempted to identify cadaveric-produced volatile organic compounds (VOCs) that contribute to insect attraction. This previous research has been completed almost exclusively in lab settings, with no field studies to verify these findings. </p><p> The goal of my thesis was to test necrophilous insect attraction to nine cadaveric VOCs (1-butanol, 1-pentanol, <i>p­</i>-xylene, <i>o</i>-xylene, ethanol, cyclohexanone, acetamide, dimethyl disulfide, and dimethyl trisulfide) in a field setting. Pitfall traps at six research locations were baited with the chemicals for one week. Specimens collected from the traps were identified and species assemblages were compared to those of a pig carcass. Replicates were conducted in fall 2018 and spring 2019. </p><p> Two chemicals were identified as important attractants for a variety of necrophilous insects: dimethyl disulfide and dimethyl trisulfide. These chemicals were especially attractive to <i>Phormia regina</i>, a blow fly (Diptera: Calliphoridae) found worldwide. VOC insect communities did not include all of the insects found on carcasses, possibly indicating the necessity of chemical blends for effective attraction. This study is only the second study to test necrophilous insect attraction in a field setting. </p>
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Wei, Yu-shan, and 魏妤珊. "Necrophilious Bondage between Mothers and Children in Flannery O''Connor''s Short Stories." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/20133677855155136537.

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碩士<br>國立臺灣大學<br>外國語文學研究所<br>105<br>Flannery O’Connor’s literary world is filled with conflicts between mothers and their children which usually end up with unfortunate incidents, unexpected loss or violent death. The mutual destructiveness of these interdependent family members indicated attraction to and longing for death, a state of ultimate certainty which ends the unbearable human sufferings. Applying Erich Fromm’s analysis of necrophilia and mother fixation, this paper is set to survey the necrophilious traits of mother figures and the love-fear complex of their children derived from the shadow of death in O’Connor’s short stories. Suppressed by the mottos of southern womanhood, the mothers appear to be more than caring and loving for their children. However, the underlying motivation for their unconditional love is often desire for the power to control and self-satisfaction. Obsessed with their children’s illness, failure and unfavorable development, these mothers strangled the younger generation’s potential for growth, success and real joy. Fantasies of the glorious past, power to dominate and possession of material things provide a simulative certainty when physical death is too much to ask. With the suffocating power of love, these necrophilious mothers O’Connor portrayed use the allure of the past and manipulative “guilt-trick” to render their children powerless and dependent. Diminished by the mothers’ love and protection as well as death-obsessed nature, their adult offspring become insensitive to changes and opportunities in life, leading their lives in need and in fear of the mothers’ love and protection. Under the influence of their necrophilious life-givers, these children are often physically unhealthy, emotionally alienated and socially isolated. Entrapped by their dependence on their mothers and often tested by their care-givers’ guilt-trick, these children seek violence as a self-defensive mechanism. In this paper, Fromm’s notions of necrophilia and mother fixation are applied to explore the love-hate relationship between a necrophilious mother and her daughter in “Good Country People”, the death-seeking wish fulfillment of a nostalgic motherly figure in “A Good Man Is Hard to Find”, the violent competition between sibling-like children for the love and attention of a disaster-loving mother in “The Comforts of Home”, the struggle to matter in the strange present of a pair of past-fixated mother and son in “Everything That Rises Must Converge” and the extended shadow of death within the alternative mother-son stories from “The Geranium” to “Judgement Day”. Writing in the era of shattered faith in God and in life, O’Connor depicts the necrophilious orientation among characters lacking the power to shield against the sense of uncertainty as the world changes. The violence they partake, however, is a paradoxical proof of their love of death as well as their desire to confront the enervating struggle for life.
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Books on the topic "Necrophilous"

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Modrow, John. Triumph of the Necrophiles: A Critique of the Mechanical Worldview. iUniverse, Incorporated, 2011.

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Book chapters on the topic "Necrophilous"

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Tracy, Robert. "Loving You All Ways: Vamps, Vampires, Necrophiles and Necrofilles in Nineteenth-Century Fiction." In Sex and Death in Victorian Literature. Palgrave Macmillan UK, 1990. http://dx.doi.org/10.1007/978-1-349-10280-8_3.

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"necrophilous, adj." In Oxford English Dictionary, 3rd ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/9388156129.

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"Chapter Twelve. Necrophilous and Biophilous Elements." In Manifesto of the Critical Theory of Society and Religion (3 vols.). BRILL, 2010. http://dx.doi.org/10.1163/9789004191259_015.

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"Resisting necrophilous white patriarchy: Elegies about racial injustice." In Radical Elegies. Bloomsbury Academic, 2022. http://dx.doi.org/10.5040/9781350236097.ch-2.

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West, Sara G., and Phillip J. Resnick. "Necrophilia." In Unusual and Rare Psychological Disorders. Oxford University Press, 2016. http://dx.doi.org/10.1093/med:psych/9780190245863.003.0009.

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Necrophilia consists of erotic fantasies about and/or sexual contact with the dead. The practice of necrophilia has been documented since ancient times, and there appears to have always been both a recognition and a fear of it. The chapter opens by discussing well-known cases of necrophilia and several etiological theories. The numerous classification systems for necrophilia are summarized, and the authors also present some potential commonalities. .Unfortunately, research into the world of necrophiles is hampered by the secrecy of their desires and difficulties in detecting their activities. Given its clandestine nature, the chapter suggests that clinicians more frequently screen for the presence of necrophilia when evaluating individuals who present with other deviant sexual behaviors.
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