Myiasis, Maggot therapy, Forensic entomology Prof. Abdelwahab A. - PowerPoint PPT Presentation

House flies, Myiasis, Maggot therapy, Forensic entomology Prof. Abdelwahab A. Ibrahim Entomology Department, Faculty of Science, Benha University

Scientific classification Insecta Class ss: Diptera Orde der: Cyclorrhapha Suborde rder: Muscidae. Family ly:  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. Prof. Abdelwahab Ibrahim

Morphology Prof. Abdelwahab Ibrahim

Prof. Abdelwahab Ibrahim

Life cycle Prof. Abdelwahab Ibrahim

Food Breeding sites Ecology Behavior Control Prof. Abdelwahab Ibrahim

Diseases Prof. Abdelwahab Ibrahim Prof. Abdelwahab Ibrahim

Medical Importance • Transmission of pathogens  Protozoa  Helminthes  Viruses  Bacteria  Fungi • Fate and persistence of pathogens Prof. Abdelwahab Ibrahim

Myiasis

sites Cu Cutaneous neous Nasal l myia iasis sis Aural l m myia iasis sis Oral l myia iasi sis s Ophthal thalmi mic c myia iasi sis s Wound d myiasi iasis s Intestin stinal al myi yiasis asis Prof. Abdelwahab Ibrahim

Types Ob Obliga igatory tory Fac acultat ultative ive or Accidental Ac cidental or Pseudo udo my myias asis is Specific ecific Semi mi s specific ecific Prof. Abdelwahab Ibrahim

Prof. Abdelwahab Ibrahim

 Dete tentio ntion  Hi History tory  Mo Mode of of acti tion on  Adva vantages ntages  Limi mitations tations  Flie ies s us used Prof. Abdelwahab Ibrahim

 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

 Def efini nition tion  Att ttraction action to to th the re rema mains ins  Sta tages ges of of decomp omposition osition  Factors tors aff ffec ecting ting on on Su Succe cessi ssion on  The he applica pplication tion of of For orensi nsic c ent ntom omology ology 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

 Findi ding ng Bodie ies s or Body Parts   Estima imate te Time of D f Death and Postmorte ortem Interv rval al   Determine ine Cause e of D f Death   Identify ify or Exclude ude Crimina nal l Suspect cts   Determine ine If a f a Body Has Been Moved d or Disturbe urbed d Aft fter Death  Prof. Abdelwahab Ibrahim