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^BApple snails^b (^IPomacea sp^i.) These large aquatic snails are cultivated for food in their native South America. The raising o... Credit: Science Photo Library
^BColorado potato beetle^b (^ILeptinotarsa decemlineata^i) on a leaf. This beetle, which grows up to 1 centimetre in length, is na... Credit: Science Photo Library
^BLarger grain borer.^b Coloured scanning electron micrograph (SEM) of a larger grain borer beetle (^IProstephanus^i ^Itruncatus^i... Credit: Science Photo Library
^BDesert locust^b (^ISchitocerca gregaria^i) on a leaf. This insect is a voracious and particularly harmful agricultural pest in A... Credit: Science Photo Library
^BSwarm of locusts^b. Coloured historical artwork of a farmer attempting to ward a large swarm of locusts away from his crops. Loc... Credit: Science Photo Library
^BWhitefly.^b An infestation of whitefly (^ITrialeuroides vaporarium^i) on a poinsettia leaf (^IEuphorbia pulcherrima^i). Whitefly... Credit: Science Photo Library
Khapra beetle (Trogoderma granarium). This beetle originated from India but is now widespread. It is considered a serious pest of ... Credit: Science Photo Library
Black aphid. Coloured scanning electron micrograph of a black aphid (Aphis sp.) feeding on sap from a plant stem. Aphids feed off ... Credit: Science Photo Library
Greenhouse whitefly (Trialeurodes vaporariorum), coloured scanning electron micrograph (SEM). At all stages of development, from l... Credit: Science Photo Library
Potato blight fungus sporangium. Coloured scanning electron micrograph (SEM) of a sporangium (spore-producing structure) of the po... Credit: Science Photo Library
Root-knot nematode larva. Coloured scanning electron micrograph (SEM) of the whiplike larva of the root-knot nematode Meloidogyne ... Credit: Science Photo Library
Aphids, or greenflies (family Aphidae) on a plant leaf. Aphids, which suck the sap from plants, are significant garden and agricul... Credit: Science Photo Library
Nematode cysts on potato roots. Close-up of cysts on the roots of a potato (^ISolanum tuberosum^i) plant. These cysts contain eggs... Credit: Science Photo Library
^BWheat rust.^b Light micrograph of wheat rust fungus (^IPuccinia graminis^i, orange) growing on a wheat plant (^ITriticum sp.^i).... Credit: Science Photo Library