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.…
to the host plant by feeding on plant sap. They mainly occur on the underside of leaves where they pierce the cells and suck out the contents. The…
to crops. The most harmful caterpillars that occur in greenhouses belong to the Noctuidae (the noctuid or owl moths), which is the largest of all…
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…
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…
Due to the specific morphology of the palms, direct or indirect destruction of the apical bud will lead to the death of the plant, which makes the red…
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…
in your crop Life cycle of mealybugs & scales Mealybug & scale damage Although most species of mealybugs feed on the aerial parts of the plant, some…
General The cotton bollworm ( Helicoverpa armigera ) occurs in the tropics and sub-tropics of all continents except for North America. Larvae of the…
before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species o…
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