Entomology Review

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Forensic Entomology

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The application of the study of insects to legal cases.

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Indication of Body Movement

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The presence of insects on the body that are not found in the area suggests the body may have been moved.

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Life Cycle of a Blow Fly

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The correct order is: egg, larva (1st instar, 2nd instar, 3rd instar), pupa, adult.

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Time Since Death Indicated by Eggs

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If only eggs are found in the orifices of the body, the person has been dead for approximately 1-24 hours.

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Evidence of Body Presence for Several Days

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Adult blowflies with straight wings, eggs, larvae at all stages, empty pupa casings and full pupa casings, blowflies with crumpled wings.

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Role of Forensic Entomologist

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A forensic entomologist uses insect evidence to estimate the time of death and other circumstances surrounding a death.

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Instars of Larvae

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The stages of larval development in blowflies are referred to as instars, typically including 1st, 2nd, and 3rd instars.

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Pupa Stage

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The pupa stage is a transitional phase in the life cycle of insects where larvae develop into adults.

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Blowfly Characteristics

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Blowflies are often the first insects to arrive at a decomposing body, and their life cycle stages can provide crucial forensic information.

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Factors Affecting Insect Development

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Temperature, humidity, and the presence of other organisms can affect the rate of insect development and the decomposition process.