plants. When newly laid they are creamy white but turn to a patchy yellow as they age. The mites have two nymphal stages: sometimes they are also…
antennae. They have relatively long legs, and the wings show very clear venation. The fly has a small head equipped with sucking mouth parts, but they…
humans, and pigs to a lesser extent). Although they are extremely common and exist worldwide, it is believed they first originated somewhere in…
of the cob, making holes in the corn. In other crops, they prefer flower buds and soft fruit. They cause visible damage through feeding, and some…
Scatella tenuicosta) do not attack plants directly, as they feed on green algae. However, they can transmit plant diseases and can be a nuisance to…
swarms in areas with still air out of direct sunlight where they remain in flight as they wait to be visited by an unmated female. Female flies are…
are about half the size of the adult mite. They are oval in form, smooth, transparent and twice as long as they are wide. Both ends are equally…
are all biotrophic fungi, meaning they feed on living plant cells and barely survive in the absence of a living crop. They survive as ascospores or…
adults often depends on the crop in which they occur (e.g. on cucumbers they are often yellow-brown, on tomatoes they are mainly red-brown). Both…
breadth. Seen dorsally, they have an oval form; they are soft and covered with a fine waxy material. They move very little. They can be distinguished…
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