Tuesday, November 18, 2008

Practice quiz

Try your hand at three questions that were on our Vector Biology Revision Quiz.
Hit the "comment" button at the end of the post to see the answers.

Q #1: What is this?

Q #2: Pic at left. Which mosquitoes may commonly be associated with this environment? What mosquito-born infections may be transmitted by these vectors?

Q#3: Which two insect vectors breed in this environment (pic below)? What diseases do they transmit?

1 comment:

nomad said...

A #1: This is a "decoy" for tsetse flies. It's shape and synthetic odour--delivered from bottles at its base-- simulate a large animal. It attracts host-seeking tsetse flies of the Glossina morsitans group. The flies land and contact a lethal insecticide dose; a highly effect, cheap, and simple control method.

A #2: The environment is a rice field. The vectors are Anopheles and Culex tritaeniorhynchus mosquitoes. The infections are malaria and various arboviruses, particularly Japanese Encephalitis.

A#3: The Environment is a tire dump. The vectors are (1) the Aedes aegpti mosquito, which transmits Yellow Fever in Africa and south America; and (2) The Aedes albopictus mosquito, which transmits Dengue in SE Asia. The Albopictus mosquito was apparently introduced into the US by a used tire shipment.