NOTE: This is not on a real time scale and is not the true life cycle of any of these insects.

1. TABLE 1: The development of body length in millimeters of fly species during their life cycle at 72 degrees. L = Larvae (maggot) P = Pupa A = Adult fly NOTE: This is not on a real time scale and is not the true life cycle of any of these insects. TABLE 2: The number of days that the development is delayed or accelerated based on changes in temperature, habitat, lighting, and drug use.

2. Name ___________________________________________________ Date _______________ • Use the insect life cycles and reaction to temperature tables to determine the time of death in the following scenarios. • There were multiple insects found on a body that died inside of a bedroom in the summer. The weather was at least 85 degrees for the last couple of weeks and there were many windows open. The following were found on the body (remember to change the age based on the weather): House fly larva 8 mm long Age = _______ daysHouse fly adults 31 mm long Age = _______ daysBlow fly larva 13 mm long Age = _______ daysBlow fly larva 27 mm long Age = _______ daysFlesh fly adults 43mm long Age = _______ days • A body was discovered in a forest under some shady trees in a Genesee county park. There were maggots of all types on the body. The temperature averaged 70 degrees for the last few weeks but it was about 5 degrees cooler in the shade.The following were found on the body (remember to change the age based on the weather): Blow fly larva 22 mm long Age = _______ daysHouse fly larva 18 mm long Age = _______ daysFlesh fly larva 27 mm long Age = _______ daysSkipper fly eggs Age = _______ days • A body was found in a basement with maggot activity concentrated at the neck. The air conditioner in the house was set at 72 degrees.The following were found on the body:House fly larva 32 mm long Age = _______ daysHouse fly pupa Age = _______ daysBlow fly larva 18 mm long Age = _______ daysFlesh fly larva 10 mm longAge = _______ days What is the approximate time of death of the person? ____________ Judging on the number of days, what stage of decomposition might they be in? (use the decomposition notes to decide) _____________________ What is the approximate time of death of the person? ____________ What do cooler temperatures do to the speed of decomposition? ___________________________________________________ What is the approximate time of death of the person? ____________ How do you know there was foul play involved? ________________________________________________________________ ____________________________________ ____________________________________