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family of chiefly herbaceous tendril-bearing vines (order Campanulales) that are characterized by an inferior ovary and anthers usually united and that include food plants (as the cucumber, melon, squash, and pumpkin), drug plants (as the colocynth), and ornamental plants (as the gourds) Fruit flies (Tephritidae: Diptera) Bactrocera dorsalis: Adult is a reddish-brown fly with lemon-yellow […]
RICE WEEVIL Sitophilus oryzae (Family: Curculionidae, order: Coleoptera) It is a small weevil about 3 millimeters in length with head protruded into a down ward snout like structure and reddish brown with four pale spots on the elytra. Eggs are laid in cavities made on the grain by the adult female. The whole developmental life […]
CARDAMOM Shoot/panicle/capsule borer Conogethes punctiferalis (Pyraustidae: Lepidoptera) It is a serious pest of nurseries in Tamil Nadu, Karnataka and Kerala. Alternate hosts are castor, turmeric, guava, mulberry etc. Larvae bore in to pseudostem of seedlings and feed on nursery plants and young tillers in plantation. Infestation is indicated by the presence of entry holes plugged […]
CITRUS Lime tree borer or orange borers Chelidonium cinctum (Cerambycidae: Coleoptera) This is a major and highly destructive pest in South India. Wilting of twigs and stems, gum exudations and wood powder accumulation on ground below are symptoms of attack. Adult is dull metallic green to dark violet with a yellow band across the middle […]