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What is the disease cycle for Yellow Fever?
Mosquito -> Man -> Mosquito
What is the definition of an arbovirus?
Viruses that multiply in both vertebrate and invertebrate hosts
What is the vector of Yellow Fever?
True or False: All arboviruses are zoonotic?
Humans and horses are what type of host?
Dead end host
What is Encephalitides?
viral disease which affects CNS of man and horses
What is the most important communicable disease in the world?
What is the species of Malaria?
Plasmodium, four types
What is the vector of Malaria?
What is the cycle for malaria?
- Sporozoites enter the human after being injected by infected mosquito
- They enter the liver cells and reproduce asexually
- They then travel and enter the red blood stream and reproduce sexually
- The mosquito can become infected when it feed on a person undergoing the gameotycte phase
What is the vector of dog heartworms?
What is the cycle for dog heartworms?
- A mosquito becomes infefcted when microfilaria are injested
- After three weeks the larval stage moves to mouthparts
- The mosquito deposits infective larvae
- Larvae live in dog's tissue for 3-4 months before moving to heart
- Mature heartworms, in heart, produce microfilaria which circulate in bloodstream
What are the defining characteristics of the female mosquito?
Elongated mouth parts adapted for sucking blood, antennae with few short hairs
What are the defining characteristics of the male mosquito?
Elongated mouthpart, but does not suck blood, antenna very plumose
What are the two suborders of mosquito?
What are the characteristics of the subfamily anophelinae?
Generally have spotted wings, rest with body at 40-90 degree angle to the resting surface
What are the characteristics of the subfamily culicinae?
Wing without spots, rest with body help parallel to resting surface
What are the two important stages in mosquito development?
- Larvae - wigglers
- Pupae - tumblers
Both breathe through air tube - siphon
What is an example of a transient habitat?
Roadside ditches, canals, ground pools
What is an example of a Treehole habitat?
Tree hole, tires
What is the scientific name of the common malaria mosquito?
What is the scientific name of the Yellow Fever mosquito?
What is the scientific name of the Asian tiger mosquito?
What is the scientific name of the southern house mosquito?
Culex pipen quinqufasciatus
What is the scientific name of the Gallinipper?
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