leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When…
cycle and appearance of Tomato leafminer The female moth of the tomato leaf miner ( Tuta absoluta ) lays about 260 eggs. The eggs of the tomato leaf…
serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Life cycle and appearance of Rose aphid Aphids…
colour of the scale darkens as the female ages. The size, shape and characteristics of the female also vary with different host plants. The middle of…
directly and indirectly. The type of damage depends on the species of the flies. Direct damage is the immediate result of larvae feeding on root hairs…
ornamental plants. Life cycle and appearance of Cactus mealybug Mealybugs get their name from the fact that the body of the females from the third…
aphid Life cycle and appearance of Tobacco aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety…
aphid Life cycle and appearance of Potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in…
by using one of our blowing systems instead of hand application Introduce several predatory mite species in one way Uniform distribution of natural…
spectrana ). Each female of the carnation tortrix ( Cacoecimorpha pronubana ) is capable of laying up to 700 eggs, deposited in batches of 10 to 200…
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