Important pests of greengram are cut worm, stemfly, aphids, thrips, Bihar hairy caterpillar, tobacco caterpillar, gram caterpillar, hawk moth or leaf eating caterpillar and pod borer. Thresholds and Management. We all know that smoking tobacco is bad for humans. Look for the erect hairs on the worm and a white stripe running along the bug’s body. The young caterpillars radiate from the egg masses (Photo 1), stripping the leaf surface and eating the leaf between the veins (Photos 2&3). in nursery and field during 1985-86 and 1986-87. Mostly, they feed at night. Tobacco, Nicotiana tabacum, is an herbaceous annual or perennial plant in the family Solanaceae grown for its leaves.The tobacco plant has a thick, hairy stem and large, simple leaves which are oval in shape. Feeding response of tobacco leaf eating caterpillar Spodoptera litura (Fabricius) to different types of tobacco. Nine concentrations (0.1, 0.08, 0.06, 0.04, 0.02, 0.008, 0.006, 0.004 and 0.002%) of diflubenzuron, a chitin synthesis inhibitor, were tested in the laboratory against freshly laid eggs, eggs prior to hatching, and the larval and pupal stages of tobacco leaf eating caterpillar, Spodoptera litura. Spinosad is a safe microbial-based insecticide, but can have negative impacts on some beneficial insects . Caterpillars must feed on treated leaves to be affected. The tobacco plant produces white, cream, pink or red flowers which grow in large clusters, are tubular in appearance and can reach 3.5-5.5 cm (1,25-2 in) in length. Investigations on “Life table studies of tobacco leaf eating caterpillar, Spodoptera litura Fabricius (Noctuidae: Lepidoptera) on different varieties of bidi tobacco (Nicotiana tabacum Linnaeus) and its chemical control” were carried out under laboratory condition during 2009-2010 at Bidi Tobacco Research Station, AAU, Anand. It is the caterpillar (or larva) that does the damage. a)Salient research findings for disease management i)Damping-off: Higher seed rate (> 4 kg/ ha) in nursery led to incidence of higher damping-off disease in nursery. of Nipani tract. Tobacco budworms are a major pest of tobacco and cotton plants. Tobacco budworms can eat entire buds off the plants. Some common leaf-feeding caterpillars Later, they become solitary and eat all the leaf, including the petioles. They can also wreak havoc as caterpillars on geraniums in your garden by chomping holes in buds and leaves. Aphid and leaf eating caterpillars are major insect pests on bidi tobacco in Nipani area (Anonymous.,2004). Metalaxyl MZ 72 WP (Ridomil) at 0.2% concentration was The bioefficacy of methomyl was evaluated alongwith other insecticides against tobacco leaf eating caterpillar Spodoptera litura, Fb. Because Btk is most effective on small, newly hatched caterpillars and breaks down rapidly, treatment timing is critical. 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