12.Taxonomy and biology of Helicoverpa armigera
Sunita Singh
The taxonomy and biology of Helicoverpa armigera was studied under field and laboratory conditions. H.armigera is a serious pest of Indian crops particularly of legumes and cotton and has a worldwide distribution. In Madhya Pradesh, it is observed throughout year thriving on dozens of crop including grain legumes. It remains active right from October to march with a peak incidence in February. The extensive damage is caused to the crop, seedlings, foliage, and fruits by various pests only H.armigera is regularly occurring and most damaging of all. The biology, population density and damage was studied in the fields of village Hilgan sagar (MP) Keywords: pest, helicoverpa armigera, legumes.