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Abstract
The experiment was carried out in the city of Kut, Al-Karadiya zone, Iraq on 9th May and 18th February 2020, to investigate the effect of corpse weight and temperature on the attraction of Calliphora vicina. The speed and density of C. vicina adults were recorded on May 9th, 2020 where the density of insects was 9.5% in the corpse weighing 20-15kg, while the best time was morning (39±2°C), with an average of 9-12 insects. The percentage of presence in the corpse weighing 5-3kg was 3.3%, while the best time for their presence was morning (39±2°C) with an average of 3-5 insects. The temperature had a clear effect on the attraction of C. vicina to the carrions, where 39±2°C (morning) was the most appropriate degree for the attraction for all weights (7.1%), while 42±2°C (noon) was the lowest (4.8%). On the 8th of February, the presence rate of C. vicina on the carrion 20-15kg was 3.0%, with the best time at noon (18±2°C) with an average of 4 insects. The percentage of its presence on the corpse 5-3kg was 0.3%, with the best time at noon (18±2°C), with an average was 1 insect. The temperature of 18±2°C (noon) was the best in all weights of the carrion, with a rate of 2.6%, while its presence was 1.3% at 16±2°C (morning).
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References
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References
Gruner, S.V. 2004. The forensically important Calliphoridae (Insecta: Diptera) of pig carrion in rural north-central Florida. Master of Science, University of Florida 120: 32-36.
Harvey, M.L.; Mansel L.M.W.; Villet, M.H. & Dadour I.R. 2003. Molecular identification of some orensically important blueflies of southern Africa and Australia fac. Medical and Veterinary Entomology 17: 363-69
Hauther, K.A.; Cobaugh, K.L.; Jantz, L.M.; Sparer, T.E. & De Bruyn, J.M. 2015. Estimating time since death from postmortem human gut microbial communities. Journal of Forensic Sciences, 60 (5): 1234-1240.
Mendt, J.; Zehner, R. & Reckel, F. 2008. The nocturnal oviposition behaviour of blowflies (Diptera: Calliphoidae) in Central Europe and its forensic implications. Forensic Science International 175: 61-84.
Ody, H.; Bulling, M. T. & Barnes, K.M. 2017. 'Effects of environmental temperature on oviposition behavior in three blow fly species of forensic importance, Forensic Science International 275: 138.
Salimi, M.; Yavar R.; Mohamadali O.; Omid C.; Mojtaba L. & Sayena R. 2018. Temperature requirements for the growth of immature stages of blowflies species, Chrysomya Albiceps and Calliphora vicina (Diptera: Calliphoridae) under laboratory conditions. Egyptian Journal of Forensic Sciences 8: 28.
Vogt, W.G. 1988. Influence of weather on trap catches of Chrysomya rufifacies (Macquart) (Diptera: Calliphoridae). Journal of the Australian Entomological Society 27: 99-103.
Watson E.J. & Carlton, C.E. 2003. Spring succession of necrophilous insects on wildlife carcasses in Louisiana. Journal of Medical Entomology 40: 338-47.
Whitwrth T. 2010. Keys to genera and species of blue flies (Diptera: Calliphoridae) of the West Indian and description of a new species Of Lucilia Robineau Desvoidy. Zootaxa 2663: 1-35.