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vectors

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mechanical vector
arthropod is a passive carrier
biological vector
arthropod is a part of the organism's life cycle
what is the arthropod protected by?
chitinous exoskleton
what type of circulatory system do arthropods have?
open, tubular heart pumps hemolymph
how is uric acid expelled?
malphigian tubules
what kind of metamorphosis do dipterans go through?
complete
culicidae
culex, mansonia, aedes
culicidae
eggs dont have floats
anopheles
cigar shaped eggs with side floats
black fly (simulium)
onchocerciasis
black fly
deposits eggs into fast-flowing fresh water
black fly
adult females feed on blood of animals, butes produce severe reactions
sand fly
leishmaniasis, remain close to breeding grounds
tsetse fly
trypanosomiasis
tsetse fly
both male and female bite, leave large painful welts. larva develop in soil
mango/deer fly
chrysops- loaloa
reduviid bug
chagas disease
reduviid bug
assassin bug, itchy swellings due to toxins released at bite
reduviid bug
bites at night
ixodes
babesia, lyme disease
ixodes
hard tick
ixodes
lyme dz is the most common tick infecton in the US