What are two methods used to identify the species of insect from the eggs on human remains? describe the methods. critical thinking questions what are some of the challenges in determining the time of death using insects? why is entomology an important area of forensic science? how can this area criminal investigations? what is the process of collecting insect samples? what challenges are there in collecting samples of insects from human remains? why is the study of insects and their life cycles important for forensic entomologists? how is this information to criminal investigations? describe the life cycle of the blowfly. why is this information to forensic scientists?