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==昆虫と非昆虫==
*Invertebrate
***Insects including mosquito
***Tick
*animalia
**arthropoda
***insecta
***arachnida
*外骨格 exoskelton
**骨に比べて外骨格は重量物を支持するのが困難なため，虫類は一定以上の大きさを持てない
*変温動物 poikilothermic
*完全変態 complete metamorphosis
**egg (ovo) - larva - pupa - adult
*不完全変態 incomplete metamorphosis
**egg (ovo) - nymph - adult
==Arthropod-borne diseases==
Arthropod-borne diseasesは50以上ある
*半分はmosquito-borne
*残り半分近くがtick-borne
*Chagas d.
**true bugs: ''Triatoma'', ''Rhodnius''
*Onchocerciasis
**blackflies: ''Simulium''
*Leishmaniasis
**sand flies:''Phlebotomus''
*Sleeping sickness
**tse tse flies:
感染経路
*blood feeding
*mechanical transmission
**direct mechanical transmission
***thru wound by biting or scratching
**indirect mechanical transmission
***Chagas via ''Triatoma'''s feces
==Mosquitos==
*mosquito species > 3,500
*disease-transmitting mosquito species ≈ 300
==Non-venomous invertebrates==
*Bedbug
**''Cimex lectularius''
**insecticide-resistant bedbug is becoming problem worldwide
==blood-sucking vectors==
*mono-directional between host and vector
**''Phthiraptera'' (lice)
**''Hemiptera'' (kissing bug)
*bi-directional between host and vector
*''Diptera'' (mosquito, fly)
*''Siphonaptera'' (flea)
*''Lepidoptera''
