Medical entomology: medically important invertebrates. Arthropods: 80% of macroscopic species. Mainly insects and ticks. Mosquitoes are important vectors.

Arthropod: invertebrate (no backbone) animal with exoskeleton () and segmented body, paired jointed appendages: include insects, arachnids, myriapods, crustaceans.

Anatomy

• Proboscis (long nose, snout)

Mosquitoes

• 2-winged insects

• Proboscis (long):

• Antennae

• ...

• Anopheles: appearance..... vector of: malaria

• Aedes: appearance, ... vector of dengue, albopictus (in Japan), bit less of a vector for flavirus / aegypti (not in Japan) primary vector for flavivirus...

• Culex: appearance,,,, vector of.....Japanese encephalitis

Lice

• Louse-borne endemic typhus

• trench fever

• louse-borne relapsing fever

Fleas

• Plague

• Endemic typhus

• Tapeworm infections

• Jigger fleas (tunga penetrans)

Arachnida

• ...

Mites

• ...Mite (tiny compared to tick): scrub typhus ... eschar as site of inoculation

• 
  

Ticks

• ...SFTS, Rickettsia, Helvetica Spotted fever, Lyme, Crimean-Congo....MORE

Chiggers (Trombiculid mites)

• ...

Sandflies

• ...Larval habitat in the ground

Triatomine bugs

• ...Chagas

Tsetse flies

• ...trypanosomiasis / male and female blood feeding

Blackflies

• ...Simulium fly... onchocerciasis