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initially yellow or pale green and later darken. They are deposited singly or in small groups of two or ten eggs on both the upper and lower surface…
of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or stored products.…
found outside the leaf mines or fruit. Pupation takes place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the…
eggs, overlapping in a tile-like fashion on both the upper and lower surface of leaves close to the veins, or low on the stem or stalk close to the…
during the day and is active only at night. The forewings are grey-brown suffused with a dark brown or black. The head and thorax are brown and the…
grey-green, pink or red in colour. They appear matt, never glossy. Winged individuals have a brown-black head and thorax and a yellow-green to green o…
buds, flowers, fruits or on leaves. They are almost spherical with a flattened base and a diameter of about 0.5 mm. They are at first a shiny…
fruits in Europe and North America. Sciarid flies and shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer…
Islands, the Middle East and parts of Mediterranean Europe including the Balearic Islands, Madeira and the Azores. Life cycle and appearance of Cotton…
Cotton aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses…
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