Elmahdi, Z.A. Nugud, A.A. Elhassan, I.M. 2012 Understanding the behaviour of malaria vectors is crucial for planning mosquito control programmes. The aim of this study was to estimate the malaria transmission intensity in 2 different ecological zones in a highly endemic malaria area of Sennar state in central Sudan over the main transmission period. Species confirmation by PCR indicated that Anopheles arabiensis was the only malaria vector in the study area, with high anthropophilic behaviour 84.9 human feeding . ELISA studies showed Plasmodium falciparum sporozoite rates rose from 1.8 ...