AN INVESTIGATION INTO THE RECENT MALARIA OUTBREAK IN DISTRICT GURGAON, HARYANA, INDIA

We present results of entomological and parasitological surveys carrie d out on a recent outbreak of malaria in district Gurgaon, Haryana, An , culicifacies sensu into the major vector of malaria was found in hig h densities and was incriminated. The species was resistant to DDT and dieldrin and was susceptible to malathion and deltamethrin in laborat ory tests and these results were in agreement with the observations on their field-efficacy, High incidence of P. falciparum, break down of surveillance, favourable mosquitogenic conditions were some factors re sponsible for this outbreak, Suggestions for measures to avoid such ou tbreaks in future are discussed.