House flies, Myiasis, Maggot therapy, Forensic entomology
Transcript of House flies, Myiasis, Maggot therapy, Forensic entomology
House flies,
Myiasis,
Maggot therapy,
Forensic entomology
Prof. Abdelwahab A. Ibrahim
Entomology Department, Faculty of Science, Benha University
Class: Insecta Order: Diptera Suborder: Cyclorrhapha Family: Muscidae.
Musca domestica, lives in close association with people
all over the world.
The insects feed on human foodstuffs and wastes.
In warmer climates, the filth fly, M. sorbens is closely
related to the housefly and is important in the spread of
eye infections.
Blowflies (Calliphoridae) and other flies have been
associated with the transmission of enteric infections.
Scientific
classification
Prof. Abdelwahab Ibrahim
Prof. Abdelwahab Ibrahim
Morphology
Prof. Abdelwahab Ibrahim
Prof. Abdelwahab Ibrahim
Life cycle
Prof. Abdelwahab Ibrahim
Food
Breeding sites
Ecology
Behavior
Control
Diseases
Prof. Abdelwahab Ibrahim Prof. Abdelwahab Ibrahim
Prof. Abdelwahab Ibrahim
• Transmission of pathogens
Protozoa
Helminthes
Viruses
Bacteria
Fungi
• Fate and persistence of pathogens
Medical Importance
Myiasis
Prof. Abdelwahab Ibrahim
sites
Cutaneous
Nasal myiasis
Aural myiasis
Oral myiasis
Ophthalmic myiasis
Wound myiasis
Intestinal myiasis
Prof. Abdelwahab Ibrahim
Types
Obligatory
Facultative or
Accidental or
Pseudo myiasis Specific
Semi specific
Prof. Abdelwahab Ibrahim
Prof. Abdelwahab Ibrahim
Detention History Mode of action Advantages Limitations Flies used
Ancient Civilizations ◦ Maya, China, Australia
Army War Surgeons ◦ Napoleon, Civil War
William Baer ◦ John Hopkins
Ronald Sherman
Prof. Abdelwahab Ibrahim
Diversity of wound types
Remove necrotic flesh
Antimicrobial properties (MRSA)
Promote Wound Healing
Any open purulent sore ◦Diabetic ulcers ◦Bed sores ◦Burns ◦Abscesses ◦Basal cell carcinoma ◦Vein and artery diseases ◦Many more
Prof. Abdelwahab Ibrahim
Make Pattern of Wound
Place maggots inside
Cover with mesh
Place gauze bandage for drainage
Prof. Abdelwahab Ibrahim
Definition
Attraction to the remains
Stages of decomposition
Factors affecting on Succession
The application of Forensic entomology
Prof. Abdelwahab Ibrahim
Fresh Bloat Decay Post decay Dry (Skeletal)
Geographical region
Season
Sun exposure
Urban Vs. Rural scenarios
Bodies found inside buildings
Burial
Scavenging
Presence or absence of clothing
Finding Bodies or Body Parts
Estimate Time of Death and Postmortem Interval
Determine Cause of Death
Identify or Exclude Criminal Suspects
Determine If a Body Has Been Moved or Disturbed After Death
Prof. Abdelwahab Ibrahim