Mosquitoes Life cycle Egglarvae pupa adult Anopheles vector

Mosquitoes

• Life cycle Egg—larvae–- pupa--- adult. • Anopheles vector of malaria and filariasis, breed in clear water • Culex vector of filariasis and viruses, breed in polluted water (cities) • Aedes vector of yellow fever, dengue fever, rift valley fever.

Pulex irritans Xenopsylla cheopis

Medical importance of fleas 1 - Transmision of Plague 2 - fleas born typhus endemic or murine typhus Rickettsia mooseri 3 - Flea nuisance 4 - Shigoe flea Tunga penetrance skin disease chigger (Jegger) disease

Pediculus humanus capitis

disease transmission: lice act as a vector for - Epidemic typhus - Epidemic relapsing fever, - Trench fever. Pediculosis, irritation and pruritus.

Phthirus pubis • No disease transmission

Bed bugs (Cimex lectularius)

• Bed bugs (Cimex lectularius) • Brown, wingless , dorsoventral flattened. • Adult-eggs-nymph , adult. • Only irritant , not disease vector

Winged Bug (triatoma spp) – Large insect , • small narrow head with strong mouth parts , and antenna • laterally spotted abdomen • vector of American trypanosomiasis (chaga`s disease)

Scorpion • Cephalothorax with median and lateral eyes , pedipalps, 4 pair legs. • anterior and posterior abdomen end with stinger

Hard tick

Soft Tick

• Hard tick hard cuticle - babesiosis, Quneensland fever, Rocky mountain spotted fever, tick paralysis • Soft tick soft cuticle - Relapsing fever Borrelia duttoni - Tick paralysis

Cyclops (water flea) • Aquatic arthropod • Cephalothoraxe & abdomen • 2 antenna • Swimming appendages • Vector for: Dracunculus medinensis