Development patterns of necrophagous flies infesting rabbit carcasses decomposing in Mount Kapur cave and its surrounding primary forest habitats in Kuching, Sarawak

Development patterns of necrophagous flies infesting rabbit carcasses decomposing in Mount Kapur cave and its surrounding primary forest habitats in Kuching, Sarawak

Forensic entomological baseline data on the oviposition of necrophagous insects and completion of their life cycles in the Borneo region, as well as in secluded areas like caves remain unreported. Since entomological baseline data can differ from one biogeoclimatic region to another, the lack such d...

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Main Author: Nordin, Nurul Huda
Format: Thesis
Language:English
Published: 2019
Subjects:
Q Science (General)
Online Access:http://eprints.utm.my/id/eprint/81457/1/NurulHudaNordinMFS2019.pdf
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spelling my-utm-ep.814572019-08-23T05:21:49Z Development patterns of necrophagous flies infesting rabbit carcasses decomposing in Mount Kapur cave and its surrounding primary forest habitats in Kuching, Sarawak 2019 Nordin, Nurul Huda Q Science (General) Forensic entomological baseline data on the oviposition of necrophagous insects and completion of their life cycles in the Borneo region, as well as in secluded areas like caves remain unreported. Since entomological baseline data can differ from one biogeoclimatic region to another, the lack such data would limit the practical values of applying entomological evidence in estimating minimum postmortem interval (mPMI). Therefore, this present research that investigated the oviposition and completion of life cycles of necrophagous flies infesting rabbit carcasses decomposing in Mount Kapur Cave and its surrounding forest habitat in Kuching, Sarawak merits consideration. In general, 13 taxa of necrophagous flies were identified viz. Hypopygiopsis violacea, Hypopygiopsis. fumipennis, Hemipyrellia ligurriens, Hemipyrellia tagaliana, Chrysomya megacephala, Chrysomya villeneuvi, Chrysomya rufifacies, Chrysomya chani, Chrysomya pinguis, Chrysomya nigripes, Ophyra spinigera and Ophyra chalcogaster, as well as unidentified Sarcophagidae. While all these necrophagous flies were observed infesting carcasses in Mount Kapur Cave, Hem. ligurriens and Hem. tagaliana were not found infesting carcasses in the surrounding forest habitat. In addition, Hyp. violacea, Hyp. fumipennis were the two earlier necrophagous flies that oviposited in all rabbit carcasses decomposing in both habitats. Complete life cycles for six and five different necrophagous fly species were successfully observed in Mount Kapur Cave and its surrounding forest habitat, respectively. Significant delay in oviposition, as well as longer durations for completing the life cycles in several necrophagous fly species were observed in Mount Kapur Cave when compared to those of surrounding forest habitat (p < 0.05). These data deserve consideration as the first ever forensic empirical baseline data on oviposition and completion of life cycles for necrophagous flies in Sarawak, as well as in a cave habitat, in view of its practical values for estimating mPMI for forensic practical caseworks. 2019 Thesis http://eprints.utm.my/id/eprint/81457/ http://eprints.utm.my/id/eprint/81457/1/NurulHudaNordinMFS2019.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:125089 masters Universiti Teknologi Malaysia Biosciences and Medical Engineering
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic Q Science (General)
spellingShingle Q Science (General)
Nordin, Nurul Huda
Development patterns of necrophagous flies infesting rabbit carcasses decomposing in Mount Kapur cave and its surrounding primary forest habitats in Kuching, Sarawak
description Forensic entomological baseline data on the oviposition of necrophagous insects and completion of their life cycles in the Borneo region, as well as in secluded areas like caves remain unreported. Since entomological baseline data can differ from one biogeoclimatic region to another, the lack such data would limit the practical values of applying entomological evidence in estimating minimum postmortem interval (mPMI). Therefore, this present research that investigated the oviposition and completion of life cycles of necrophagous flies infesting rabbit carcasses decomposing in Mount Kapur Cave and its surrounding forest habitat in Kuching, Sarawak merits consideration. In general, 13 taxa of necrophagous flies were identified viz. Hypopygiopsis violacea, Hypopygiopsis. fumipennis, Hemipyrellia ligurriens, Hemipyrellia tagaliana, Chrysomya megacephala, Chrysomya villeneuvi, Chrysomya rufifacies, Chrysomya chani, Chrysomya pinguis, Chrysomya nigripes, Ophyra spinigera and Ophyra chalcogaster, as well as unidentified Sarcophagidae. While all these necrophagous flies were observed infesting carcasses in Mount Kapur Cave, Hem. ligurriens and Hem. tagaliana were not found infesting carcasses in the surrounding forest habitat. In addition, Hyp. violacea, Hyp. fumipennis were the two earlier necrophagous flies that oviposited in all rabbit carcasses decomposing in both habitats. Complete life cycles for six and five different necrophagous fly species were successfully observed in Mount Kapur Cave and its surrounding forest habitat, respectively. Significant delay in oviposition, as well as longer durations for completing the life cycles in several necrophagous fly species were observed in Mount Kapur Cave when compared to those of surrounding forest habitat (p < 0.05). These data deserve consideration as the first ever forensic empirical baseline data on oviposition and completion of life cycles for necrophagous flies in Sarawak, as well as in a cave habitat, in view of its practical values for estimating mPMI for forensic practical caseworks.
format Thesis
qualification_level Master's degree
author Nordin, Nurul Huda
author_facet Nordin, Nurul Huda
author_sort Nordin, Nurul Huda
title Development patterns of necrophagous flies infesting rabbit carcasses decomposing in Mount Kapur cave and its surrounding primary forest habitats in Kuching, Sarawak
title_short Development patterns of necrophagous flies infesting rabbit carcasses decomposing in Mount Kapur cave and its surrounding primary forest habitats in Kuching, Sarawak
title_full Development patterns of necrophagous flies infesting rabbit carcasses decomposing in Mount Kapur cave and its surrounding primary forest habitats in Kuching, Sarawak
title_fullStr Development patterns of necrophagous flies infesting rabbit carcasses decomposing in Mount Kapur cave and its surrounding primary forest habitats in Kuching, Sarawak
title_full_unstemmed Development patterns of necrophagous flies infesting rabbit carcasses decomposing in Mount Kapur cave and its surrounding primary forest habitats in Kuching, Sarawak
title_sort development patterns of necrophagous flies infesting rabbit carcasses decomposing in mount kapur cave and its surrounding primary forest habitats in kuching, sarawak
granting_institution Universiti Teknologi Malaysia
granting_department Biosciences and Medical Engineering
publishDate 2019
url http://eprints.utm.my/id/eprint/81457/1/NurulHudaNordinMFS2019.pdf
_version_ 1747818336512638976

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