| Influence of substrate tissue type on larval growth in Calliphora augur and Lucilia cuprina (Diptera: Calliphoridae). | |
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MedLine Citation:
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PMID: 16696716 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The size of fly larvae is an important variable in the use of these insects to estimate postmortem interval. Furthermore, the nutritional intake of larvae is likely to vary subject to the part of a corpse on which they are feeding. A study was therefore conducted to investigate the effect of type of food substrate on larval growth in two species of forensically important Australian blowflies. After collection on sheep's liver in the laboratory, different groups of larvae of Lucilia cuprina (Wiedemann) and Calliphora augur (Fabricius) were grown on sheep's liver, meat, and brains, and their body lengths compared. Results indicated that the development of larvae fed sheep's liver was adversely affected compared with larvae fed meat and brain; they moulted later, reached maximum length more slowly and sometimes produced significantly smaller pupae. These findings, similar to those of another recent study, have obvious implications for postmortem interval determinations. Estimates may be considerably skewed if the site of collection of larvae at a death scene contains tissue types different to those used in reference experiments. We therefore recommend caution in forensic analyses that interpret crime scene data using developmental studies performed with a single type of larval food substrate. |
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Authors:
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Donnah M Day; James F Wallman |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of forensic sciences Volume: 51 ISSN: 0022-1198 ISO Abbreviation: J. Forensic Sci. Publication Date: 2006 May |
Date Detail:
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Created Date: 2006-05-15 Completed Date: 2006-07-20 Revised Date: 2006-10-25 |
Medline Journal Info:
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Nlm Unique ID: 0375370 Medline TA: J Forensic Sci Country: United States |
Other Details:
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Languages: eng Pagination: 657-63 Citation Subset: IM |
Affiliation:
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Institute for Conservation Biology, School of Biological Sciences, University of Wollongong, New South Wales 2522, Australia. day1don@police.nsw.gov.au |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adipose Tissue
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pathology Animals Brain / pathology Diptera / growth & development* Entomology Epithelium / pathology Feeding Behavior* Female Forensic Anthropology / methods Larva / growth & development* Liver / pathology Male Sheep |
| Comments/Corrections | |
Erratum In:
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J Forensic Sci. 2006 Sep;51(5):1221 |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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