lesions on the underside of the leaf. They enlarge to angular spots, often limited by the small veins. The distinctive feature is the way the lesions…
patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll.…
earthworms of the family Enchytraeidae. Life cycle and appearance of Lyprauta The adults of the three species can be distinguished by the wing pattern…
seen from the common name, European red mite) but is now distributed in all important apple growing areas of the world. Life cycle and appearance of…
and lays about two eggs per day. Life cycle of Neoseiulus cucumeris The life cycle of Neoseiulus cucumeris consists of the following stages: egg,…
germ tubes can infect the leaves of the plants directly or through stomata. The lesions become visible after five to seven days. On the lesions, new…
name from the fact that the body of the females from the third nymphal instar onwards are covered with a white waxy material in the form of powder,…
Damage symptoms The caterpillars often stay in the lower strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late…
many other ornamentals. Life cycle and appearance of Black tea thrips Adult black tea thrips are dark brown with the apex of the abdomen paler;…
insects and biological control One of the key aspects of IPM is harnessing the power of natural enemies to control pest populations. Predatory mites ,…
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