| anopheles culicifacies: siblings species composition and its relationship to malaria incidence. | entomological and epidemiological surveys in may, august and november 1985 and march 1986 were conducted in villages in bulandshahr, a western district in uttar pradesh and in three eastern districts, jaunpur, ballia and saran. in bulandshahr, anopheles culicifacies sibling species a and b were found, with a predominance of species a. both plasmodium vivax and p. falciparum were present and the malaria incidence remained high (spr, 6-50%) indicating an active transmission. in contrast, in three ... | 1988 | 3057115 |