Department of Entomology, Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062 (H.P.) (India).
Two noctuid moths. viz., Plusia oricholcea Fabricius and Heliothis armigera (Hubner) were found prevalent from March to May during the two-year studies conducted in the mid hill zone in north-west Himalayas. Their population peaks coincided with the active vegetative/flowering and late crop growth stages of rabi crops. Although their seasonal abundance was found to be influenced by various weather factors, yet the mean maximum temperature from 25.9–27.5°C was found to be conducive for their activity in the area.
