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PESTS ON PULSES Gram pod borer –Helicoverpa armigera Noctuidae: Lepidoptera It is a serious pest of chickpea, pigeonpea, pea, mungbean, urd bean, lentil, soybean, cowpea, cotton, sorghum, okra, maize, tomato, bhendi and sunflower. Larva – polyphagous Feed on the foliage, when young and on the seed in later stages with their body hanging outside. A […]
BANANA Rhizome weevil Cosmopolites sordidus (Curculionidae: Coleoptera) It is a major pest of banana. Adult is a stout, reddish brown weevil. Grub is apodous and yellowish with reddish head. Grub bores into rhizome and tunnels within it. Pupates within a chamber made near the outer surface of rhizome. Adult also tunnels within stem feeding on […]
GUAVA Tea mosquito bug Helopeltis antonii (Miridae: Hemiptera) Fruit borer/ Castor capsule borer Conogethes punctiferalis (Pyraustidae: Lepidoptera) Guava fruit flies Bactrocera diversus (Tephritidae: Diptera) Whiteflies, Aleurotuberculatus psidii (Aleyrodidae: Hemiptera) Aphids, Aphis gossypii (Aphididae: Hemiptera) Mealy bugs, Coccus viridis and Ferrisia virgata (Pseudococcidae: Hemiptera) Guava scales Chloropulvinaria psidii (Diaspididae: Hemiptera) Bark borer, Indarbela tetraonis (Metarbelidae: Lepidoptera) […]
Millets are indigenous to many parts of the world.The most widely grown millet is pearl millet, which is an important crop in India and parts of Africa.Finger millet, proso millet, and foxtail millet are also important crop species In India, various alcoholic beverages are produced from millets.[31] Millet is also the base ingredient for the […]
Wheat (Triticum aestivum L.) is an important cereal crop cultivated all over the world and consumed by nearly 35% of the world population. It harbours nearly two dozen of insects; among them only half a dozen of insect pests, like aphids, termites, army worm, pink stem borer, pod borer and Ghujhia weevil, attain the major pest […]
PEST ON RICE Swarming caterpillar – Spodoptera mauritia Noctuidae : Lepidoptera It is a serious pest on nurseries and early stage of the crops. During night hours, larvae cut the seedlings in large scale and present a cattle-grazing appearance to the field. Gregarious feeders and march from field to field. Damage is severe in […]
PEST – Derived from French word ‘Peste’ and Latin term ‘Pestis’ meaning plague or contagious disease Pest is any animal which is noxious, destructive or troublesome to man or his interests A pest is any organism which occurs in large numbers and conflict with man’s welfare, convenience and profit A pest is an organism which […]
Beneficial insects and mites belong to three categories: predators, parasitoids, and pollinators. Predators capture and eat other organisms such as insects or mites. Predators include ladybird beetles, ground beetles, lacewings, syrphid (hover) flies, aphid midges (Aphidoletes) and yellowjacket wasps. Parasitoids are insects that parasitize other insects. The immature stages of parasitoids develop on or within its […]
Qualities of honeybees which make them good pollinators Body covered with hairs and have structural adaptation for carrying nectar and pollen. Bees do not injure the plants Adult and larva feed on nectar and pollen which is available in plenty Considered as superior pollinators, since store pollen and nectar for future use No diapause is […]