F. Rai, , Ruqaiya Hassan, Habib Fatima, Farhat Zafar
Optomotor normal visual response of the locust Schistocerca gregaria was compared when injected (between 1st and 2nd thoracic segments) with 10, 5, 2.5 and 1.25 µg/g body weight doses of Permethrin after different intervals of time (just after injection, 10 and 20 minutes).