Entomology : Pests of crops, stored products and their management [ Identification of pest specimens & symptoms]

 

Identification

Symptoms list

• Paddy – White ear, Pulse – Pulse beetle damage, Sugarcane – Internode borer, Cotton – Boll worm

• Brinjal – fruit borer, Bhendi - fruit borer, yellow vein clearing, Tomato – fruit borer, Coconut –

Rhinoceros beetle, Coconut - Eriophyid mite, Mango – Leaf galls, Jasmine - Erineum

Identification test - Specimen list

• Paddy – Yellow stem borer, Green horned caterpillar, Skipper, spiny beetle, Green leaf hopper,

Earhead bug, Grass hopper; Maize – Sorghum stem borer, Fall army worm

• Pulse – Gram pod borer, spotted pod borer, blue butterfly, pod bug; Oil seeds – Red hairy

caterpillar, Spodoptera litura, wooly bear, Castor semilooper, spiny caterpillar, Castor capsule borer, Gingelly sphinx moth

• Sugarcane – Internode borer, Top borer, Pyrilla, Termite, White grub; Cotton – American Bollworm, Spotted bollworm, Red cotton bug, Ash weevil, mealy bug; Green manure – Sunhemp hairy caterpillar (Utethesia pulchella), Sulphur butterfly, Mottled emigrant

• Brinjal – Fruit borer, Epilachna beetle; Bhendi – Shoot and fruit borer, White fly; Tomato – Fruit borer; Cucurbits – Fruit fly, pumpkin caterpillar, Pumpkin beetle (Red and Blue); Crucifers –Diamond back moth; Amaranthus – Leaf caterpillar; Moringa – Hairy caterpillar, Leaf caterpillar

• Mango – Stem borer, shoot webber, fruit fly, leaf twisting weevil; Citrus – Citrus butterfly, fruit piercing moth; Banana – Pseudostem borer; Cashew stem borer; Guava – Spiralling whitefly

• Coconut – Rhinoceros beetle, Red palm weevil; Nerium – Nerium butterfly; Stored products – Rice weevil, Pulse beetle

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