in size. Predatory mites are usually found on the lower surface of the leaves, often in the corner of the main vein and lateral veins. It is not…
specific symptoms. Life cycle and appearance of Early blight From the primary infection of leaves, Alternaria solani can spread to the flowers…
pupa, and finally the adult insect. The eggs of the onion thrips (Thrips tabaci) are laid in leaves, flower petals and in the soft parts of stalks.…
tubes which stick out of the fruit. There are three larval instars and in the third instar the larvae are about 3.9 mm long. The pupae of Drosophila…
with the transpiration stream. As a defence mechanism, the plant produces gum in the vessels. The presence of both the fungus and the gum causes the…
other fruits. It is very common in Europe. Life cycle and appearance of Codling moth The adults have a wing span of 15-22 mm, blackish-brown…
lines at the beginning of pupation and then turn light brown with a dark pattern towards the end of pupation. There are two variants of adults. The…
sporidia infect the wheat seedlings even before emergence and the fungi grow inside the plants to the growing tip. The fungi grow between the plant…
from their pupae the female moths lay clusters of 20 to 100 eggs on the underside of leaves or elsewhere within the greenhouse structure. The eggs are…
polyphagous and have a wide host range. Life cycle and appearance of Cutworms The adults of Agrotis spp. have pale grey to grey-brown forewings with a…
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