The carrion beetle Oxelytrum discicolle (Coleoptera: Silphidae) and the estimative of the minimum post-mortem interval in a forensic case in Brasília, Brazil

Lira, Luiz Antonio; Barros-Cordeiro, Karine Brenda; Figueiredo, Beatriz Marques de Jesus; Galvão, Malthus Fonseca; Frizzas, Marina Regina

doi:10.1590/1806-9665-rbent-2019-92

Cited by 13 publications

(7 citation statements)

References 15 publications

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“…This is in line with field observations and experiments where typically D. osculans was present (see 12,46,49,57 ). Like other genera of the subfamily Silphinae e.g., Necrodes 58,59 , Necrophila Kirby & Spence, 1828 60 , Oxelytrum 61 or Thanatophilus 4,62 , species of the genus Diamesus, therefore might be used in forensic entomology to estimate time of colonization, which is crucial information for medico-legal casework 63 . This is further supported by observations of the species (D. osculans) feeding as adults and larvae on human corpses 64 .…”

Section: Discussionmentioning

confidence: 99%

Integrative taxonomy and species distribution models of the genus Diamesus Hope, 1840 (Coleoptera: Staphylinidae: Silphinae)

Růžička

Jakubec

Mahlerová

et al. 2023

Sci Rep

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Integrative taxonomy of Diamesus Hope, 1840 (Coleoptera: Silphinae) is presented. Adults of D. bimaculatus Portevin, 1914 (endemic to Taiwan) and D. osculans (Vigors, 1825) (widely distributed from northern India to Australia) are redescribed, keyed and figured, including characters of the male and female genitalia of both species. Variation in elytral maculation in D. osculans is discussed and illustrated. The absence of diagnostic differences of D. osculans var. reductus Pic, 1917 from D. osculans is discussed, and the former name is confirmed as a junior subjective synonym of D. osculans. Types of all three names available were studied; a lectotype and paralectotypes are designated for the name D. osculans var. bimaculatus Portevin, 1914. Molecular phylogenetic analysis confirms the genus Diamesus is sister group to the genus Necrodes Leach, 1815, and D. osculans and D. bimaculatus are two, well supported clades. Detailed data on the distribution of D. bimaculatus and D. osculans are presented and mapped. Species distribution models for both species were created and interpreted. Diamesus osculans is reported for the first time from India: Uttarakhand, China: Anhui, Hainan, Hunan, Jiangxi, Shaanxi and Zhejiang Provinces, and Australia: Victoria; it is also recently confirmed from Taiwan, being sympatric in distribution there with D. bimaculatus. Available data on the ecology and seasonality of both species of Diamesus are also discussed.

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Section: Discussionmentioning

confidence: 99%

Integrative taxonomy and species distribution models of the genus Diamesus Hope, 1840 (Coleoptera: Staphylinidae: Silphinae)

Růžička

Jakubec

Mahlerová

et al. 2023

Sci Rep

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“…This study is the first to investigate the effect of these chemicals on the decomposition of remains in this locality during autumn, winter and spring, and how it may impact the estimation of the PMI. Despite insect species differing between locality, the higher-level taxa observed in this study are observed in decomposition situations globally 1,4,24,32,[35][36][37][38][39] .…”

Section: Discussionmentioning

confidence: 99%

The effects of hydrated lime and bleach on carrion decomposition and associated insect succession

McIntyre

Conlan

Harvey

2022

Australian Journal of Forensic Sciences

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Necrophagous insect species are used in forensic entomology to assist with the estimation of the minimum post-mortem interval (PMImin). However, chemical substances applied to a corpse in a bid to conceal remains may affect the attractiveness of a corpse to insects, and the consequently the insect succession and decomposition. This study investigated the potential for two readily obtainable substances, hydrated lime and bleach to affect decomposition and associated insect succession on porcine remains outdoors and above ground during autumn, winter and spring in the Geelong region of Victoria, Australia. The substances were correlated with a significantly longer pre-appearance interval (PAI) (>12 hours) and delayed oviposition during colder months. Further, remains deposited during autumn and spring did not skeletonise when substances were present. These findings show the importance of considering the presence of bleach and hydrated lime on remains when estimating PMI.

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“…Silphidae are scavengers that contribute to recycling organic matter [ 21 ] and are able to consume dead vertebrates [ 22 ]. They are frequently found on human remains [ 7 , 23 , 24 , 25 ] and on experimental animal models [ 26 , 27 , 28 , 29 ]. Several forensic studies have reported their presence in insect successional patterns but little attention has been devoted to their role as forensic indicators in human cases [ 27 , 30 ].…”

Section: Discussionmentioning

confidence: 99%

First report of the presence of Necrodes littoralis (L.) (Coleoptera: Silphidae) on a human corpse in Italy

Bonacci

Mendicino

Carlomagno

et al. 2021

Journal of Forensic Sciences

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Among insect orders, Coleoptera are relevant for forensic investigations, together with Diptera. Some species of this order directly feed on corpses but others predate necrophagous fauna, interfering with the colonization of remains. Forensic entomologists rely both on age of immature insects found on corpses and on the arthropod successional pattern associated with different decay stages [1][2][3][4][5].Necrodes littoralis (L.) (Coleoptera: Silphidae) is of forensic interest because it colonizes and breeds on human and vertebrate remains. This necrophagous species is also a predator of dipteran larvae [6,7]. Although common in Europe, it has never been reported in Italy as colonizer of human bodies. Here, we describe for the first time the presence and activity of N. littoralis on a well-decomposed human corpse discovered indoors in an abandoned sports facility in a suburban area of Cosenza (Calabria, Southern Italy).

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The carrion beetle Oxelytrum discicolle (Coleoptera: Silphidae) and the estimative of the minimum post-mortem interval in a forensic case in Brasília, Brazil

Cited by 13 publications

References 15 publications

Integrative taxonomy and species distribution models of the genus Diamesus Hope, 1840 (Coleoptera: Staphylinidae: Silphinae)

Integrative taxonomy and species distribution models of the genus Diamesus Hope, 1840 (Coleoptera: Staphylinidae: Silphinae)

The effects of hydrated lime and bleach on carrion decomposition and associated insect succession

First report of the presence of Necrodes littoralis (L.) (Coleoptera: Silphidae) on a human corpse in Italy

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