Cross-sectional entomological surveys were carried out during the 2006 dry and rainy seasons in Lagdo, Cameroon to measure the impact of rice cultivation on malaria transmission and to monitor vector susceptibility to insecticides. Adult anopheline mosquitoes were captured on human volunteers and by pyrethrum spray collections. A total of 4740 mosquitoes was collected during the study. Anophele...

BACKGROUND & OBJECTIVE Insecticide treated mosquito nets are increasingly being used in malaria control programmes. One of the problems with the treatment of bed nets with conventional formulations of insecticides was that regular washing of treated nets diminish insecticidal effect. Lambdacyhalothrin 2.5 capsule suspension (CS) (2.5% a.i., w/v), a new water-based microencapsulated formulation ...

malaria has recently been resurged in some parts of iran which is bordered with armenia, naxcivan and turkey. an attempt was made to asses the current status of insecticide resistance in the main malaria vector , an.sacharovi. adult engorged mosquitoes were collected from dwellings during the seasonal activity of the vector, which is synchronized in summer 2001. mosquitoes were subjected to the...

two organochlorine, one organophosphate, two carbamate and two pyrethroid insecticides have been studied for their comparative study against fieldcollected an.pulcherrimus. the trail was conducted in ghasreghand district, sistan and baluchistan province, southeastern iran using who impregnated papers at the diagnostic dose. results revealed that this species exhibit resistant to 0.4% dieldrin (...

Background Malaria vector control efforts have taken malaria related cases down to appreciable number per annum after large scale of intervention tools. Insecticides-based tools remain the major control option for malaria vectors in Kenya and, therefore, the potential of such programs to be compromised by the reported insecticide resistance is of major concern. The objective of this study was t...

BACKGROUND AND OBJECTIVES Kahnooj district in south of Iran is an endemic area for malaria where Anopheles stephensi (Liston) is a main malaria vector and An. dthali (Patton) a secondary vector. According to the national strategy plan on monitoring of insecticides resistance, this study was performed on susceptibility and irritability levels of An. stephensi and An. dthali to different insectic...

background: we aimed to evaluate different fibres of bednets impregnated with various pyrethroids. the stability of insecticide on the bednet was measured using different methods of washings as well as local made detergents. methods: the entire test was carried out according to the who-recommended methods. in addition, the impact of the numbers of washes on the stability of the insecticides was...

background: during recent years transmission of dirofilaria immitis (dog heart worm) by culex pipiens and west nile virus have been reported from iran. the present study was preformed for evaluating the susceptibility status of cx. pipiens collected from capital city of tehran, iran . methods: four insecticides including: ddt 4%, lambdacyhalothrin 0.05%, deltamethrin 0.05% and cyfluthrin 0.15 %...

The insecticidal activity and residual effect of two formulations of lambdacyhalothrin were evaluated with Rhodnius prolixus; laboratory and field tests were conducted in the State of Chiapas, Mexico. The results indicate that the lethal concentrations of the active ingredient of SC (LC50 = 2.37 and LC90 = 8.5 mg, a.i./m2) were 4-8 times than those with the insecticide WP applied on R. prolixus...