Forensic values and seasonal variation of temperature on the developmental stages of life cycle Sarcophagidae fly, Sarcophaga crassipalpis.
Keywords:
Forensic Insect, PMI season, lifecycle duration, Temp changeAbstract
Sarcophaga Crassipalpis, is one of the hairy maggot flesh flies which feeds on meat carrion, and dead and decaying matter of animals to the completes its life cycle which is the useful for post mortem interval (PMI). Determination in forensic investigations. The actual life cycle hours and days are calculated due to their morphological parameter of their life cycle of Oxysarcodexia terminalis were studied in different seasons; Life cycle in rainy season was completed in 270 ± 1.25 hrs (11.25 ± 0.40 days), when the maximum temperature was 27.02°C and the minimum temperature was 26.4°C; in summer season when the maximum temperature was 36.6°C and the minimum temperature 33.2°C, the life cycle was completed in 220± 1.17 hrs (6.16. ± 0.10 days), while in cycle was completed in 310 ± 1.35hrs (12.91 ± 0.21 days) when the maximum and minimum winter season life cm temperatures were 27.4°C and 17.2°C respectively. The temperature is the important role to determine the developmental stages of life cycle of Oxysarcodexia terminalis which should be considered during PMI determination. The external parameters of different stages differ from season to season. Larvae were healthy and bigger in size in rainy season but in summer were short and small sized. The size of larvae in winter season was also smaller than the size in both summer and rainy seasons.
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