shed white skin, betraying their presence in the crop. The wingless adult stage of the greenhouse potato aphid is rather squat, of medium size (1.8 -…
parasitize the mealybugs , particularly the second and third larval and adult stage of female citrus mealybugs ( Planococcus citri ) and vine…
before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species…
insects, the females do not have wings and look similar to the immature stages. Immature cottony cushion scales have black limbs and an orange-brown…
American serpentine leaf miner The life cycle of a leaf miner has the following stages: egg, three larval instars, a pupal instar and the adult fly.…
thrips The western flower thrips (Frankliniella occidentalis) develops in six stages: egg, two larval instars, prepupa, pupa, and finally the adult…
the death of the host. Pupal stage: After the larvae have consumed the host, they pupate, forming a cocoon or pupal stage within or on the host's body
Mode of action Adult female parasitic wasps parasitize second to fourth stage larvae of the whitefly . Host feeding also takes place. Visual effect Tr
caterpillars is highly variable and depends partly on the host plant, the stage of development and the climate. A full-grown beet armyworm (Spodoptera…
indefinitely. However, the bacteria are not transferred to the eggs and immature stages lose the bacteria after moulting. Long distance dispersal may…
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