Macadamia nut borer

been linked to any other crop or indigenous host in South Africa. It is a quarantine pest and control procedures have to be carried out to enable export [...] may remain. A larva can consume several small nuts by moving from one fruit to another. This type of damage is small, and trees are able to compensate for [...] General The macadamia nut borer ( Thaumatotibia batrachopa ) is native to Africa and was originally described from the Eastern Cape province in South Africa

Broad mite

latus) are not a serious problem, as they are unable to overwinter. Mites belonging to the family of tarsonemids ( Tarsonemidae ) display a greater diversity [...] d on the underside near the leaf stalk, which tends to cause the leaf to turn brown and curl up. A typical indication of an attack of broad mite ( Pol [...] case of a mild infestation, one can often see brown, frequently collapsed spots, or brown stripes forming a fine network on the leaves. In case of a more

Broccoli

group that belongs to the species Brassica oleracea. Broccoli looks a lot like cauliflower, which belongs to a different cultivar group of the same species [...] species. The plant has a large, flowering head that is usually green. The head looks a bit like a tree and branches out from a single thick, edible stalk [...] About Broccoli is a tasty, green plant. When it comes to botanical classification, the broccoli plant is categorized as part of the Italica cultivar group

Cotton aphid

Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess [...] population. Large individuals (up to 1.8 mm long) are usually dark green to black, while aphids produced in overcrowded colonies at a high temperature can be much [...] and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early

American serpentine leaf miner

miners cause damage to plants both directly and indirectly. The most direct damage is caused by the larvae mining the leaf tissue, leading to desiccation, premature [...] lead to burning in fruit such as tomato and melon. Loss of leaves also reduces yield. In full-grown plants of fruiting vegetable crops, however, a considerable [...] American serpentine leaf miner The life cycle of a leaf miner has the following stages: egg, three larval instars, a pupal instar and the adult fly. Adult leaf

Tomato leafminer

Mining by the caterpillar causes malformations. Damage to fruit allows fungal diseases to enter, leading to rotting fruit before or after harvest. Life cycle [...] fruit. Pupation takes place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the [...] General The tomato leaf miner (Tuta absoluta), a major pest of field- and greenhouse-grown tomatoes, belongs to the family of Gelechiidae . It is oligophagous

Mediterranean fruit fly

recorded from wild hosts belonging to a large number of families. Damage symptoms The oviposition hole is often surrounded by a sunken and discoloured area. [...] basin and South America. Ceratitis capitata is a highly polyphagous species whose larvae develop in a very wide range of unrelated fruits, in fact, p [...] about 1 mm long and narrowly fusiform. Larvae are up to 8 mm long, translucent white, becoming a dirty cream-white on completion of feeding. They have

Tobacco whitefly

symptoms The larvae of whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This contains a high proportion of sugar, and [...] development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth of sooty [...] return to the underside of the leaves. The adult tobacco whitefly ( Bemisia tabaci ) has well-developed piercing-sucking mouthparts and begins to feed on

Koppert One

fertility (egg laying), problems with regard to moulting, or a repellent effect. The data within this database serves as a valuable reference for integrating chemical [...] pesticides. Why use Koppert One Side Effects? Comprehensive data Access a detailed database to make informed decisions about integrating chemical pesticides with [...] Assistant to ask any side effects-related questions and receive quick, reliable answers. Expert knowledge Leverage years of accumulated knowledge to improve

Transeius montdorensis

vary according to the prey eaten from almost lucent whitish to opaque white or yellow. Due to their size and colour they are difficult to spot in the crop [...] and nymphs. This contributes to the disruption of the pest's life cycle and helps in reducing overall pest numbers. As a natural enemy of various pests [...] slightly larger. The larvae of Transeius montdorensis have to feed. If they do not have access to food, they develop very slowly and the mortality is high