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  • 1
    Online Resource
    Online Resource
    Public Speaking Attitudes: Does Curriculum Make a Difference?
    Elsevier BV ; 2010
    In:  Journal of Voice Vol. 24, No. 3 ( 2010-5), p. 302-307
    Details
    In: Journal of Voice, Elsevier BV, Vol. 24, No. 3 ( 2010-5), p. 302-307
    Type of Medium: Online Resource
    ISSN: 0892-1997
    URL: Article
    DOI: 10.1016/j.jvoice.2008.09.007
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2010
    detail.hit.zdb_id: 17459-2
    SSG: 7,11
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  • 2
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    Developmental Biology of Forensically Important Beetle, Necrophila (Calosilpha) brunnicollis (Coleoptera: Silphidae)
    Oxford University Press (OUP) ; 2020
    In:  Journal of Medical Entomology ( 2020-08-23)
    Details
    In: Journal of Medical Entomology, Oxford University Press (OUP), ( 2020-08-23)
    Abstract: The postmortem interval (PMI) estimation, in cases where the body was discovered in an advanced stage of decomposition, is predominantly based on entomological evidence. However, very few forensically important species are sufficiently known in detail to allow a practical application. One of them is the carrion beetle, Necrophila (Calosilpha) brunnicollis (Kraatz, 1877). Its development from egg to adulthood was studied under a range of ecologically relevant constant temperatures to find parameters of thermal summation models. Developmental sexual dimorphism and the presence of developmental rate isomorphy were investigated. Herein we present the lower developmental thresholds and sum of effective temperatures for all developmental stages of N. brunnicollis (egg, first–third larval instar, postfeeding stage, and pupae). We did not find any evidence of developmental sexual dimorphism nor was the presence of developmental rate isomorphy confirmed. Our results present the first thermal summation model of the East Asian carrion beetle that can be used for the PMI estimation.
    Type of Medium: Online Resource
    ISSN: 0022-2585 , 1938-2928
    URL: Article
    DOI: 10.1093/jme/tjaa170
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
    detail.hit.zdb_id: 410635-0
    detail.hit.zdb_id: 2031006-7
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  • 3
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    A preliminary investigation of rabbit carcass decomposition and attracted ants (Hymenoptera: Formicidae) on the seaward coastal beach of Al-Jubail City, Saudi Arabia
    Oxford University Press (OUP) ; 2024
    In:  Journal of Medical Entomology Vol. 61, No. 2 ( 2024-03-13), p. 318-330
    Details
    In: Journal of Medical Entomology, Oxford University Press (OUP), Vol. 61, No. 2 ( 2024-03-13), p. 318-330
    Abstract: The current study was carried out in the seaward coastal beach environment of Al-Jubail City, Saudi Arabia, to analyze the rabbit carcass decomposition process, the succession pattern of associated ants, and their potential utility in forensic investigation. Experiments were conducted over a 4-season course (from autumn 2018 to summer 2019). A total of 9 species belonging to the 2 subfamilies, Myrmicinae and Formicinae, were recorded. The myrmicine species were Crematogaster aegyptiaca Mayr, 1862; Messor ebeninus Santschi, 1927; Messor foreli Santschi, 1923; and Monomorium abeillei Andre, 1881. The formicine species were Camponotus xerxes Forel, 1904; Cataglyphis albicans (Roger, 1859); Cataglyphis hologerseniCollingwood & Agosti, 1996; Cataglyphis viaticoides (André, 1881); and Nylanderia jaegerskioeldi (Mayr, 1904). M. abeillei was the only species recorded in all 4 seasons, while M. abeillei and C. albicans were the dominant species in summer and C. aegyptiaca and C. albicans in spring. Diversity was lowest in the autumn, with only 4 species recorded. The COI gene sequences of 5 species have been successfully deposited in the GenBank database for the first time. In total, 4 carcass decomposition stages were observed, with the longest duration in winter (13 days), the shortest in summer (11 days), and in between for both autumn and spring. Most ant species were present during both decay and dry stages, while M. abeillei, C. aegyptiaca, M. ebeninus, and C. albicans were observed in all decomposition stages. These data may indicate that ants on this coastal beach showed seasonal and geographical succession patterns that could be taken into consideration in forensic investigations.
    Type of Medium: Online Resource
    ISSN: 0022-2585 , 1938-2928
    URL: Article
    DOI: 10.1093/jme/tjad162
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2024
    detail.hit.zdb_id: 410635-0
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  • 4
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    Chronobiological Effect on the Reproductive Behavior of Chrysomya megacephala (Diptera: Calliphoridae)
    Oxford University Press (OUP) ; 2022
    In:  Journal of Medical Entomology Vol. 59, No. 1 ( 2022-01-12), p. 135-146
    Details
    In: Journal of Medical Entomology, Oxford University Press (OUP), Vol. 59, No. 1 ( 2022-01-12), p. 135-146
    Abstract: The most widely used entomological method of determining the time since death (minimum postmortem interval, mPMI) has been calculating the developmental time of blow flies (Diptera: Calliphoridae) on the deceased body. However, because blow flies are known to be diurnal, nocturnal oviposition has been excluded from standard mPMI calculations. This has been challenged by recent studies demonstrating nocturnal oviposition due to an unknown reason. Therefore, this study investigated the role of chronobiology. We recorded the locomotion amount and pattern of Chrysomya megacephala (Fabricius, 1794) (Diptera: Calliphoridae) under different chronobiological conditions and examined whether Ch. megacephala can oviposit under nighttime conditions in field and laboratory settings. Subjects were found to have a daily activity pattern under normal darkness conditions (12:12 L:D) and under continuous darkness (DD), but they exhibited no pattern under continuous light (LL). Free-running period was approximately 1,341 min/d (22.35 h/d). In the field, no flies were observed during nighttime. Oviposition occurred in the laboratory setting during daytime with no lights and during nighttime with artificial lights. Free-running subjects oviposited in both active and resting periods, with more eggs laid during active than resting periods. The result of this study indicates it is possible to induce oviposition behavior during evening hours on Ch. megacephala. However, this was only observed in the laboratory setting and could only happen during the flies’ subjective day.
    Type of Medium: Online Resource
    ISSN: 0022-2585 , 1938-2928
    URL: Article
    DOI: 10.1093/jme/tjab173
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2022
    detail.hit.zdb_id: 410635-0
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  • 5
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    Seasonal distribution of Calliphoridae and Mesenbrinellidae (Diptera) associated with the decomposition of a clothed animal model in a forest reserve in the Central Amazon
    Oxford University Press (OUP) ; 2023
    In:  Journal of Medical Entomology Vol. 60, No. 5 ( 2023-09-12), p. 910-916
    Details
    In: Journal of Medical Entomology, Oxford University Press (OUP), Vol. 60, No. 5 ( 2023-09-12), p. 910-916
    Abstract: We evaluated the effects of seasonality on the richness and abundance of dipterans of the families Calliphoridae and Mesembrinellidae associated with the decomposition of a clothed Large White swine Sus scrofa domesticus(Artiodactyla: Suidae) carcass. Experiments were carried out in less rainy, rainy, and intermediate periods between 2010 and 2011 at Reserva Florestal Ducke, Manaus, Amazonas. Two pig carcasses, each weighing approximately 40 kg, were used in each period. A total of 63,872 individuals of 18 species of Calliphoridae and Mesembrinellidae were collected. The abundance and richness of these dipteran families were influenced by the interaction between period and decomposition stage. The compositions of the Calliphoridae and Mesembrinellidae assemblages differed among periods, with the fauna of the less rainy period being less similar to those of the intermediate and rainy periods than they were to each other. Three species were selected as indicators for the less rainy period, namely Paralucilia pseudolyrcea (Mello, 1969) (Diptera, Calliphoridae), Paralucilia nigrofacialis (Mello, 1969) (Diptera, Calliphoridae), and Eumesembrinella randa (Walker, 1849) (Diptera,Mesembrinellidae) while Chloroprocta idioidea (Robineau-Desvoidy, 1830) (Dipetra, Calliphoridae) was selected as an indicator species for the rainy period; no taxon was selected as an indicator of the intermediate period. Among decomposition stages, only fermentation and black putrefaction had indicator taxa, with Hemilucilia souzalopesi Mello, 1972 (Diptera, Calliphoridae and Chysomya putoria(Wiedemann, 1830) (Diptera, Calliphoridae), respectively. Clothes did not prevent the laying of eggs and became a kind of protection for immature stages. The clothed model presented a delay in decomposition compared to other studies developed in the Amazon region.
    Type of Medium: Online Resource
    ISSN: 0022-2585 , 1938-2928
    URL: Article
    DOI: 10.1093/jme/tjad082
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2023
    detail.hit.zdb_id: 410635-0
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  • 6
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    Interkingdom Cues by Bacteria Associated with Conspecific and Heterospecific Eggs of Cochliomyia macellaria and Chrysomya rufifacies (Diptera: Calliphoridae) Potentially Govern Succession on Carrion
    Oxford University Press (OUP) ; 2017
    In:  Annals of the Entomological Society of America Vol. 110, No. 1 ( 2017-01), p. 73-82
    Details
    In: Annals of the Entomological Society of America, Oxford University Press (OUP), Vol. 110, No. 1 ( 2017-01), p. 73-82
    Type of Medium: Online Resource
    ISSN: 0013-8746 , 1938-2901
    URL: Article
    DOI: 10.1093/aesa/saw090
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2017
    detail.hit.zdb_id: 2028805-0
    detail.hit.zdb_id: 338-4
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  • 7
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    Facultative Viviparity in a Flesh Fly (Diptera: Sarcophagidae): Forensic Implications of High Variability in Rates of Oviparity in Blaesoxipha plinthopyga (Diptera: Sarcophagidae)
    Oxford University Press (OUP) ; 2020
    In:  Journal of Medical Entomology Vol. 57, No. 3 ( 2020-05-04), p. 697-704
    Details
    In: Journal of Medical Entomology, Oxford University Press (OUP), Vol. 57, No. 3 ( 2020-05-04), p. 697-704
    Abstract: Flesh flies are major primary consumers of carrion and are commonly found on human remains. Due to this latter feeding habit, their development rates can be used to provide temporal information in forensic investigations. This is usually done by referencing published flesh fly development datasets. Flesh flies are typically assumed to be strictly viviparous and datasets reporting their development rates therefore start at the first larval instar. However, an increasing number of studies has identified oviposition by flesh flies, including the forensically relevant species Blaesoxipha plinthopyga Wiedemann. To assess the impact of egg-laying behavior on casework, oviparity rates and time before larval hatching were assessed under controlled laboratory conditions that reflect common casework conditions in Harris County, Texas. We demonstrated systematic deposition of viable eggs but at a very variable rate between samples. Similarly, the duration between oviposition and larval hatching was highly variable, with some eggs taking more than a day to hatch after deposition. These results highlight the need to account for embryonic development in forensic investigations including B. plinthopyga and advocates for the re-evaluation of the assumed strict viviparity of the Sarcophagidae.
    Type of Medium: Online Resource
    ISSN: 0022-2585 , 1938-2928
    URL: Article
    DOI: 10.1093/jme/tjz230
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
    detail.hit.zdb_id: 410635-0
    detail.hit.zdb_id: 2031006-7
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  • 8
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    Insects Associated to Crime Scenes in the Northeast of Brazil: Consolidation of Collaboration Between Entomologists and Criminal Investigation Institutes
    Oxford University Press (OUP) ; 2020
    In:  Journal of Medical Entomology Vol. 57, No. 4 ( 2020-07-04), p. 1012-1020
    Details
    In: Journal of Medical Entomology, Oxford University Press (OUP), Vol. 57, No. 4 ( 2020-07-04), p. 1012-1020
    Abstract: In Brazil, many studies on Forensic Entomology analyze the activity and succession of flies in animal models. Data on human corpses are always collected and evaluated in isolated cases. This study aimed to list the insect species associated with crime scenes investigated by the Technical-Scientific Institute of criminal expertise of the State of Rio Grande do Norte (ITEP-RN), in the Northeast of Brazil, a region exposed to high homicide rates. In total, 10 cases were investigated, of which 50% were in the initial stage of decomposition. The examined bodies were colonized by species of three orders of insects, Diptera, Coleoptera and Hymenoptera. The order Diptera represented 96% of the total insects, being represented by the following species: Chrysomya albiceps (Wiedemann) (Diptera: Calliphoridae), Chrysomya megacephala (Fabricius) (Diptera: Calliphoridae), Chrysomya putoria (Wiedemann) (Diptera: Calliphoridae), and Cochliomyia macellaria, (Fabricius) (Diptera: Calliphoridae); Musca domestica (Linnaeus) (Diptera: Muscidae); and unidentified females of the Sarcophagidae family. Among beetles, the occurrence of Dermestes maculatus (DeGeer) (Coleoptera: Dermestidae), Necrobia rufipes (De Geer) (Coleoptera: Cleridae), and Onthophagus sp. (Scarabaeidae), as well as unidentified specimens of the families Tenebrionidae and Histeridae were recorded. In addition, specimens of Ectatomma sp. (Formicidae) were also recorded. Considering that the Rio Grande do Norte state presents a high homicide rate and the last cadaver study was conducted over a decade ago, these records update the list of species associated with cadaveric decomposition and contribute to consolidate forensic entomology in the Northeast region.
    Type of Medium: Online Resource
    ISSN: 0022-2585 , 1938-2928
    URL: Article
    DOI: 10.1093/jme/tjaa040
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
    detail.hit.zdb_id: 410635-0
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  • 9
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    Dietary Effects on the Development of Calliphora dubia and Chrysomya rufifacies (Diptera: Calliphoridae): Implications for Postmortem Interval
    Oxford University Press (OUP) ; 2020
    In:  Journal of Medical Entomology ( 2020-07-29)
    Details
    In: Journal of Medical Entomology, Oxford University Press (OUP), ( 2020-07-29)
    Abstract: Forensic entomology relies on insect development data generated within a laboratory setting in the estimation of minimum postmortem interval (mPMI). The methodologies used to produce these data vary considerably within the field and there is no accepted standard approach to laboratory rearing of forensically relevant species. A wide range of rearing media are used across published studies, including different species of animal and types of tissue (e.g., muscle and liver). Differing methodologies, particularly rearing diet, can introduce considerable variation into the baseline data upon which forensic estimates of the mPMI are calculated. Consequently, research establishing a widely available, standard and/or optimal, rearing medium for blow fly development for forensic application is desirable. This study examined dietary effects on the development of two forensically relevant blow fly species: Calliphora dubia Macquart, 1855, and Chrysomya rufifacies Macquart 1842 (Diptera: Calliphoridae). Larvae of both species were reared on pork liver, pork mince, pork loin, beef liver, beef mince, and guinea pig carcass under two constant temperature regimes (24 ± 1°C and 30 ± 1°C; 70 ± 10% humidity; 12-h/12-h photoperiod) to assess the influence of temperature on developmental response to diet. Fundamental developmental data pertaining to both species are reported. Developmental response to diet was species-specific and influenced by temperature with indication that the optimal temperature for C. dubia development is below 30°C. Pork mince was the most appropriate dietary standard of the rearing media investigated for the formulation of forensic development data for both species investigated.
    Type of Medium: Online Resource
    ISSN: 0022-2585 , 1938-2928
    URL: Article
    DOI: 10.1093/jme/tjaa142
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
    detail.hit.zdb_id: 410635-0
    detail.hit.zdb_id: 2031006-7
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  • 10
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    Feeding Response to Select Monosaccharides, Sugar Alcohols, and Artificial Sweeteners Relative to Sucrose in Adult House Flies, Musca domestica (Diptera: Muscidae)
    Oxford University Press (OUP) ; 2020
    In:  Journal of Medical Entomology Vol. 57, No. 2 ( 2020-02-27), p. 511-518
    Details
    In: Journal of Medical Entomology, Oxford University Press (OUP), Vol. 57, No. 2 ( 2020-02-27), p. 511-518
    Abstract: Use of insecticidal baits risks the evolution of resistance to the feeding stimulant in the bait, not just to the active ingredient (toxicant). Sucrose-based baits are widely used against house flies, Musca domestica L. The baits are applied as dry granules, but readily liquefy. The proboscis extension reflex (PER) and consumption of alternative sweeteners, dry or in solution, were examined. Fructose, glucose, and xylitol merit further study as alternatives to sucrose. Dry, fructose, glucose, and xylitol elicited PER much more than sucrose, although not when in solution. Furthermore, dry or in solution, females and males ate as much or more fructose as sucrose. In solution, flies ate as much glucose as sucrose; although when dry, consumption was much less for glucose than sucrose. Dry, xylitol elicited as much consumption as sucrose for females, though less for males. In solution, for both sexes, xylitol elicited less consumption than sucrose did. Acesulfame potassium, sodium cyclamate, and sucralose do not look promising as they did not often elicit PER, whether dry or in solution. Erythritol also does not look promising. Erythritol elicited PER no more than sucrose did when dry and elicited PER much less than sucrose when in solution. Flies ate much less erythritol than sucrose whether dry or in solution.
    Type of Medium: Online Resource
    ISSN: 0022-2585 , 1938-2928
    URL: Article
    DOI: 10.1093/jme/tjz195
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
    detail.hit.zdb_id: 410635-0
    detail.hit.zdb_id: 2031006-7
    SSG: 12
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