• Bacterial canker of tomato

  the affected field and potatoes from other fields on the farm, are labelled as ‘suspect’ that year. On the infected field no potatoes or other Solaneceaous

• Bugs

  Several species of especially the families Miridae and Pentatomidae are found as pests in agricultural crops. Bug damage Phytophagous bugs damage plants by [...] deformation of growing points. They also cause tissue damage and deformed growth as a result of toxic substances that they inject into plants while feeding.

• Black vine weevil

  pest in many ornamental crops (e.g. rhododendron, cyclamen and azalea), as well as in strawberries and other fruit crops in both temperate and sub-tropical [...] light brown, bent hairs. Overwintering occurs in the larval stage, usually as medium sized instars. Once the temperature rises, the larvae become active [...] weevils consists entirely of females and reproduction is by parthenogenesis. As vine weevils cannot fly their dispersal ability is limited compared to many

• Pumpkin, squash and gourd

  fleshy, but their size can vary substantially. Wild fruit species can be as small as 4 centimetres (1.6 inch) and some commercial specimens can weigh more [...] herbaceous vines belonging to the gourd family, Cucurbitaceae . Cucurbits, as they are also know, are indigenous to the Andes region and Mesoamerica. Currently [...] cultivated for their edible fruit and seeds. This fruit is alternately known as pumpkin, squash or gourd. That depends on species, variety and local jargon

• Fall Armyworm

  species causing major damage to cultivated grasses, such as maize, rice, sorghum and sugarcane, as well as other crops, including cabbage, beet, peanut, soybean

• Tomato russet mite

  General The tomato russet mite (Aculops lycopersici , also referred to as Vasates lycopersici, Vasates destructor and Phyllocoptes destructor in older [...] The damage is first seen on the lower part of the plant and moves upwards as the mites ascend. Life cycle and appearance of tomato russet mite All life [...] 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 called

• Cabbage moth

  22 families, among them crops such as sweet pepper, tomato, strawberry, lettuce, beetroot, onion, rhubarb as well as chrysanthemum and carnation. It is

• Tobacco aphid

  nicotianae ) is also encountered in a range of crops in greenhouses, such as sweet pepper, aubergine, chrysanthemum, and various pot plants and cut flower [...] extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or [...] variety in colour. When reproduction is asexual, the young aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly

• Citrus mealybug

  two long tail filaments. Their sole task is to fertilize the females and as soon as a male emerges from its cocoon, it goes in search of a female. A fertilized [...] especially in fruit trees and ornamental crops, particularly in pot plants such as ficus, palms, schefflera, croton and kalanchoë, but also in roses and gerbera [...] first instar nymph develops from the egg. These first instar nymphs are known as ‘crawlers’. They are highly active in their search for a new feeding place

• Mealybugs and scales

  ( Cladosporium spp.) are often found growing on this honeydew, which, as well as the white, waxy secretion of the mealybugs, reduces the ornamental value [...] Hemiptera (the true bugs ). Coccoidea are at first sight barely recognizable as insects. The females are wingless and immobile, and covered with a hard scale [...] Among ornamental crops, ferns are particularly sensitive to soft scales, as are oleanders and orchids. Armoured scales, unlike mealybugs and soft scales