second instar larvae of thrips. Young whitefly eggs (less than 24 hours old, white in colour) are a much better prey than older whitefly eggs (more…
fruiting and the development of the potatoes. The plant’s flowers vary from white, pink, red or blue, to purple and have yellow stamens. After the…
protected by a layer of epicuticular wax. Apples usually have a yellowish-white coloured exocarp. Sometimes their flesh is also pink or yellow.
plant and usually sold as houseplant. The leaves of the Dieffenbachia have white spots and specks and turn the plant into a decorative indoor object.…
environments. Several varieties of A. bisporus are grown commercially, including whites, crimini, and portobello. Many other mushroom varieties are…
they shed white skin, betraying their presence in the crop. Wingless green peach aphids (Myzus persicae subsp. persicae ) may be green, white-green,…
laid on the underside of leaves, often in the axil of veins. They are oval, white and are approximately 0.14 mm in diameter. The larvae have six legs,…
are fairly similar in all plant-pathogen combinations. The symptoms are white fluffy colonies, first and foremost on the upper side of the leaf. In…
the plant tissue with a saw-like ovipositor. Larvae are nearly transparent white or yellowish to orange-yellow, with a large head and bright red eyes.…
black antennae and a red thorax. The elytra have two distinctive rows of white or yellow spots. Eggs are oval and black to greenish brown and laid…
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