| efficacy of a new formulation of bacillus thuringiensis var israelensis (bti) in laboratory and field conditions of kumaun foothills of uttaranchal, india. | efficacy of a new bti formulation was tested in the laboratory and small scale field trials against mosquito larvae were carried out from march to june, 2001 in different breeding habitats of kumaun foothill region of nainital and udham singh nagar districts, uttaranchal state, india. laboratory tests revealed increased efficacy against culex quinquefasciatus (lc50 = 0.035 mg/l) followed by aedes aegypti (lc50 = 0.0628 mg/l), an. culicifacies sp a (lc50 = 0.184mg/l) and an. stephensi (lc50 - 0.2 ... | 2003 | 15909759 |
| relative efficacy of insecticide treated mosquito nets (diptera: culicidae) under field conditions. | the relative efficacy of insecticide treated mosquito nets was evaluated under field conditions in dehra village of dhaulana phc, district ghaziabad, u.p., india, during 1996. nylon nets were impregnated with deltamethrin, cyfluthrin, lambdacyhalothrin, and etofenprox at 25 mg/m2 by standard methods. repellent, excito-repellency, killing, and airborne actions were monitored from dusk to dawn by hourly collection of mosquitoes that entered and rested in rooms and also females that landed on treat ... | 2000 | 15218929 |