Tree of Heaven. A fast growing deciduous tree , which grows upto 25 m. Flowers creamy or yellowish.

“Biology, Ecology-life cycle, habits, distribution alongwith control measures of 50 important insect pests belonging to various categories that is defoliators, leaf rollers, leaf miners, bagworms, borers, leaf eating beetles, grasshoppers, sapsukers, barkfeeding insects, wood borers, hymenopterous insects, chafers and midges have been described in details.