Entomology (Parasitology)

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By DR: MUHAMMED NAJEEB Assist: Professor Faculty of Community Medicine & Public Health Sciences LUMHS, Jamshoro Sind, Pakistan e mail mnajeeb80@gmail.com :

By DR: MUHAMMED NAJEEB Assist: Professor Faculty of Community Medicine & Public Health Sciences LUMHS, Jamshoro Sind, Pakistan e mail mnajeeb80@gmail.com

Parasitology:

Parasitology Protozoa Amoeba Entamoeba histolytica Naegleria Acanthamoeba Flagellates Giardia lamblia Trichomonas vaginalis Trypanosoma Leishmania Ciliates Balantidium coli Sporozoa Plasmodium Cryptosporidium Toxoplasma Helminths Roundworms Intestinal Ascaris lumbricoides Enterobius vermicularis Necatur americanus Tissue Trichinella spiralis Wucheraria bancrofti Flatworms Flukes Schistosoma Tapeworms Taenia Arthropods Insects Arachnids

Medical Entomology:

Medical Entomology Branch of preventive Medicine The study of diseases caused by arthropods . public health entomology - arthropods and human health

WINGED WINGLESS :

WINGED WINGLESS 1. Mosquito (Anopheles, Culex, A. Egypti) 2. Housefly (Musca Domestica) 3. Sand fly (Phlebotomus Papataisi) 4.TseTse (Glossina Palpitis) 5. Black fly 6. Reduvlid bugs 7.Cockroach 1. Flea (Xenopsylla Cheopis) 2. Mite (Chigers) Itch mite (Sarcoptes Scabei ) 3. Ticks Head (Pediculus Humanis Capitis 4. louse Body: ( = = Corporis Pubic ( Pthirus Pubis )

Arthropods of Medical Importance:

Arthropods of Medical Importance Class Insecta Class Arachnida Class Crustacea 1. Mosquitoes 1. Ticks 1. Cyclopes 2. Flies 2. Mites 3. Human lice 4. Fleas 5. Reduvlid bugs

Why study of this is important?:

Why study of this is important? 1 Mosquito Malaria, Filaria, JE, Dengue Fever, Yellow Fever Chikungunya 2 Housefly Typhoid, Cholera, Diarrhea & Dysentery, Poliomyelitis, Gastroenteritis, Trachoma, Amob 3 Itch Mite Scabies 4 Cyclops Guinea worm disease 5 Sand fly Kala- azar, Oriental sore, sand fly fever 6 Tsetse fly Sleeping sickness 7 Louse Epidemic Typhus, Relapsing fever, trench fever 8 Rat flea Bubonic Plague, Endemic typhus, chiggerosis 9 Reduvig bug Chagas disease 10 Tick (Hard ) Tick typhus, Viral hemorg: fever, tularemia 11 Tick (Soft ) Q fever, Relapsing fever 12 Cyclops Guinea-worm disease, Fish tape worm

Mosquito:

Mosquito

Mosquito:

Mosquito Diseases transmitted: Malaria, Filaria, JE, Dengue Fever, Yellow Fever, Chikungunya

House fly:

House fly Typhoid, Cholera, Diarrhea & Dysentery, Poliomyelitis, Gastroenteritis, Trachoma, Amoebiasis

Sand fly:

Sand fly Kala- azar, Oriental sore, sand fly fever

Sand fly bites:

Sand fly bites

Tse Tse Fly:

Tse Tse Fly Sleeping sickness

Flea (Rat):

Flea (Rat) Bubonic Plague, Endemic typhus, chiggerosis

Louse:

Louse Epidemic Typhus, Relapsing fever, trench fever Body Louse

Mite (Itch mite):

Mite (Itch mite) Scabies Burrows

Ticks:

Ticks Hard Tick: Tick typhus, Viral hemorg: fever, tularemia Soft Tick: Q fever, Relapsing fever

Transmission of Arthropod borne diseases:

Transmission of Arthropod borne diseases Transmissions Direct Contact From man to man Scabies pediculosis Mechanical Diarrhea Dysentery Typhoid Trachoma Biological Propagative Only multiplication No developmental Plague bacilli in rat Flea Yellow f virus in Aedes mosq: Cyclo propagative Multiplication developmental Malaria parasites in mosquito Cyclodevelopmental No multiplication developmental Filaria parasite In mosquito Guinea worm embryo in cyclops

Insect Development or Metamorphosis:

Insect Development or Metamorphosis Two forms of development (change ) 1. Incomplete Metamorphosis (Hemimetabola) / Simple / Partial / Primitive 2. Complete Metamorphosis ( Holometabola) / Advanced

Incomplete Metamorphosis :

Incomplete Metamorphosis E.g:- Louse, Ticks Egg- nymph- adult

Complete Metamorphosis:

Complete Metamorphosis Egg - Larvae- Pupae- Adult E.g:- Mosquito, Fly, Flea

Principles Of Arthropod Control:

Principles Of Arthropod Control 1. ENVIRONMENTAL 2. CHEMICAL 3. BIOLOGICAL 4. GENETIC 5. NEWER METHODS

Principles Of Arthropod Control:

Principles Of Arthropod Control 1. Environmental Control Elimination of breeding places Filling & Drainage operation Proper disposal of refuse & water management Health education & cleanliness in & around homes 2. Chemical control: BY insecticides like DDT 3. Biological Control: Use of Larvi vorous fish 4. Genetic Control: Sterile male technique Chromosomal translocations Cytoplasmic incompatibility 5. Newer Methods: Insect growth regulators Sex attractants or Pheromones Chemosterilants

Malaria Control:

Malaria Control 1. Environmental Control Elimination of breeding places Filling & Drainage operation Proper disposal of refuse & water management Health education & cleanliness in & around homes

2. Chemical Control:

2. Chemical Control

3. Biological Control:

3. Biological Control Larvi vorous Fish

4. Genetic Control: :

4. Genetic Control: Sterile male technique ( Reproduction) Chromosomal translocations ( Breaking down of chromosomes ) Cytoplasmic incompatibility (Sperms , egg unable to form viable offsprings)

5. Newer Methods:

5. Newer Methods Insect growth regulator (Adulticide) Chemosterilants ( chemical compound causes reproductive sterility )

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