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

Class ss:

Insecta

Orde der:

Diptera

Suborde rder:

Cyclorrhapha

Family ly:

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 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 Ac Accidental 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

• f acti

tion

• n
• Adva

vantages ntages

• Limi

mitations tations

• Flie

ies s us 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

 Def

efini nition tion

 Att

ttraction action to to th the re rema mains ins

 Sta

tages ges of

• f decomp
• mposition
• sition

 Factors

tors aff ffec ecting ting on

• n Su

Succe cessi ssion

• n

 The

he applica pplication tion of

• f For
• rensi

nsic c ent ntom

• mology
• logy
• 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

• rtem 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