Variation in the Performance of Larvae Capturing Traps/Substrate during Larviciding on Domasi River in Zomba, Malawi

Research was carried out on performance of larvae capturing traps during larviciding on Domasi River in Zomba. The study was aimed at assessing the impact of Bacillus thuringiensis israelensis (Bti) on black fly larvae colonization of different traps/substrates. Data on black fly larval density on the substrates were collected before and after Bti application. The monitoring was done using three different types of substrates: nylon strips, rocks and debris. The river was divided into three strata and breeding sites were determined