Geographical variation of cuticular hydrocarbon profiles of adult flies and empty puparia amongst three populations of Calliphora vicina (Diptera: Calliphoridae)

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dc.contributor.authorKula, Canan
dc.contributor.authorAmendt, Jens
dc.contributor.authorDrijfhout, Falko P.
dc.contributor.authorMoore, Hannah E.
dc.date.accessioned2022-11-21T15:47:43Z
dc.date.available2022-11-21T15:47:43Z
dc.date.issued2022-11-14
dc.description.abstractBlowflies (Diptera: Calliphoridae) are of great importance in forensic entomology and in determining the minimum post-mortem interval, as they may be the first group of insects to colonise decomposing remains. Reliable species identification is an essential prerequisite. Classically, morphological characters or DNA sequences are used for this purpose. However, depending on the species and the condition of the specimen, this can be difficult, e.g. in the case of empty fly puparia. Recent studies have shown that cuticular hydrocarbon (CHC) profiles are species-specific in necrophagous taxa and represent another promising tool for identification. However, the population-specific variability of these substances as a function of e.g. local climatic parameters has not yet been sufficiently investigated. The aim of this study was to determine the geographical variation of CHC profiles of the blowfly Calliphora vicina depending on different countries of origin. Flies were reared in the UK, Germany and Turkey in common garden experiments under ambient conditions. CHC profiles of the resulting adult flies and their empty puparia were analysed using gas chromatography-mass spectrometry. Data were visualised by principal component analysis and clustered by population. The populations of the UK and Germany, both having similar climates and being geographically close to each other, showed greater similarities in CHC profiles. However, the CHC profile of the Turkish population, whose climate is significantly different from the other two populations, was very different. Our study confirms the high potential of CHC analysis in forensic entomology but highlights the need to investigate geographical variability in chemical profiles.en_UK
dc.identifier.citationKula C, Amendt J, Drijfhout FP, Moore HE. (2023) Geographical variation of cuticular hydrocarbon profiles of adult flies and empty puparia amongst three populations of Calliphora vicina (Diptera: Calliphoridae). Journal of Medical Entomology, Volume 60, Issue 1, January 2023, pp. 14–23en_UK
dc.identifier.issn0022-2585
dc.identifier.urihttps://doi.org/10.1093/jme/tjac167
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/18723
dc.language.isoenen_UK
dc.publisherOxford University Pressen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectCalliphoridaeen_UK
dc.subjectadult flyen_UK
dc.subjectempty pupariaen_UK
dc.subjectcuticular hydrocarbonsen_UK
dc.subjectGC-MSen_UK
dc.subjectTurkeyen_UK
dc.subjectGermanyen_UK
dc.subjectUnited Kingdomen_UK
dc.titleGeographical variation of cuticular hydrocarbon profiles of adult flies and empty puparia amongst three populations of Calliphora vicina (Diptera: Calliphoridae)en_UK
dc.typeArticleen_UK

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