Match causing agent/vector of column A with disease? spread/transmit by m in column B.

Column A	Column B
A- Culex pipiens	1- Yellow fever/Breakbone fever
B- Aedes aegypti	2- Elephantasis or filariasis
C- Glossina palpalis	3- Kala-azar/Leishmaniasis
D- Phlebotomus	4- Sleeping sickness/Trypnosomiasis

Culex pipiens and Aedes aegypti are the species of mosquitoes and carry causative agent of elephantiasis and yellow fever respectively. Culex pipiens also carries agent causes meningitis and urticaria. Glossina palpalis is the species of Tse-Tse fly that carries causing agent of sleeping sickness. It lives in the most humid area and thus such disease is most common in Africa. Phlebotomus is the genus of sand fly and is most common in the Mediterranian region. It is a vector of Kala-azar. Thus, the correct answer is option B.