Medical Entomology

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Medical Entomology:

Medical Entomology

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A study of the arthropods of Medical importance is known as Medical Entomology.

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CLASS

Characters::

4 Characters: Insecta Arachnida Crustacea Body division: Head Thorax & Abdomen Cephalo-thorax & Abdomen Cephalo-thorax & Abdomen Legs: 3 pairs 4 pairs 5 pairs Antennae: 1 pair - 2 pairs Wings: 1 pair or Wingless - - Habitat: Land Land Water

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1 Mosquito Malaria, Filaria, JE, Dengue Fever, Chikungunya 2 Housefly Typhoid, Cholera, Diarrhea & Dysentery, Poliomyelitis, Gastroenteritis, Trachoma 3 Itch Mite Scabies 4 Cyclops Guinea worm disease 5 Sand fly Kala-azar 6 Tsetse fly Sleeping sickness 7 Louse Epidemic Typhus 8 Rat flea Bubonic Plague 9 Reduvig bug Chagas disease 10 Hard tick Tick typhus, Viral encephalitis 11 Soft Tick Q fever, Relapsing fever

Mosquitoes General Features :

6 Mosquitoes General Features

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Body consist of 3 parts: Head : Thorax : Large & rounded in appearance. Bears pair of wings dorsally which produces buzzing noise. Three pair of legs ventrally. Abdomen : Long & narrow, composed of 10 segment, last two segments are modified to form external genitalia. Head

Mosquito Life Cycle :

Mosquito Life Cycle

adult:

adult

Anopheles female:

Anopheles female Note black ring

Anopheles male :

Anopheles male

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13 Anopheles female Anopheles male Culex female Culex male

?culex female:

? culex female

Culex:

Culex Note square cover slip

Larva :

Larva

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No siphon

Mansonia:

Mansonia

Mansonia:

Mansonia

Aedes:

Aedes

Eggs:

Eggs Anopheles Aedes Culex

Culex:

Culex

Anophelus pupa:

Anophelus pupa

Sandfly :

Sandfly

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Sand flies are small insects. Their length, including in females the head, thorax and abdomen and in males the coxites , is 1.2-3.7 mm Head, thorax, abdomen and appendages are covered with hairs which give a "fluffy" appearance. The wings are raised above the body. The apex of the wings is directed posteriad and laterad . Legs are long and slender

Cyclops :

Cyclops

Cyclops :

Cyclops

Echinococcus granulosus:

Echinococcus granulosus

Tick ? hard:

Tick ? hard

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Thank you

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