can occasionally be found on crowns, roots. and flowers. Depending on the host plant species, infestations with cactus mealybug cause discoloration of…
foliage plants. Impatiens thrips (Echinothrips americanus) has a wide range of hosts. In addition to many ornamental plants it also attacks sweet…
in June or July. They move to plantain trees ( Plantago spp. ), the summer host. However, breeding on apple can continue until August. In early…
in the egg stage; the “winter eggs” are laid in the wooden parts of the host plants in autumn. Damage symptoms Feeding of European red mites on…
which in turn causes the plant to wilt. Spores may be wind-dispersed to new hosts. In the senescent tissue, the resting mycelium or the microsclerotia…
Zoospores are formed from the overwintering structures which infect the host. Zoospores are spores with flagellae which enable them to move through…
infection. The soil-borne teliospores may survive in soil without suitable host for as long as ten years. Seed-borne transmission does occur, but is…
their common name comes from. Cutworms are vey polyphagous and have a wide host range. Life cycle and appearance of Cutworms The adults of Agrotis…
Brevipalpus californicus which have an almost worldwide distribution and many host plants. Life cycle and appearance of False spider mites Most false…
mummies are noticed in the crop around 2 weeks after the first introduction. Host feeding also takes place. Visual effect Parasitized aphids turn into…
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