Tomato pinworm

ely 9 to 12 mm in size and their main characteristic is their mottled brown colouration. At 25°C, it survives for about a week, but in cooler places it [...] General The tomato pinworm mainly attacks tomato, but it can also survive in other Solanaceae species, especially eggplant and potato. It is frequently [...] tomato pinworm attacks both the leaves and fruits of tomato. Mining by larvae in the leaves is the most common type of injury. Initially, the mine is long

Leaf miners

cosmetic damage. In (sub)tropical areas this can lead to burning in fruit such as tomato and melon. Loss of leaves also reduces yield. In full-grown plants [...] species in this family, only eleven are truly polyphagous. The species that cause most damage all belong to the genus Liriomyza and are very common in temperate [...] leaf miner larvae inside the leaves, while beneficial nematodes target pupae in the soil. Sticky traps help monitor adult activity and support timely intervention

Broad mite

General The broad mite (Polyphagotarsonemus latus) occurs in the tropics and in greenhouses in temperate regions. The broad mite (Polyphagotarsonemus latus) [...] leaves. In 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 [...] pairs. The last pair of legs in both males and females is different to the others and not used for walking. The larvae stay in their larval cuticle for one

Beetles

Biological control of beetles Beetles can cause serious damage in many greenhouse and field crops by feeding on leaves, roots, or fruits, leading to reduced [...] Pheromone traps Beneficial nematodes actively seek out and eliminate beetle larvae in the soil, while traps help monitor and reduce adult beetle populations. With [...] enormous variety of form, size and habit. A number of species are a serious pest in crops or stored products. There are many useful beetles as well. For instance

Cyclamen mite

smaller than usual. In cyclamen, the flowers are damaged and leaf growth is inhibited. In hedera, a mite attack can cause baldness in parts of the stem. [...] and they are protected from direct sunlight. In such spots, they are difficult to observe. Damage occurs in localized patches, because the mite spreads [...] Phytonemus pallidus ) is a harmful strawberry pest as well as a common pest found in cyclamen, gerbera and other ornamentals . Mites belonging to the family of

Caterpillars

caterpillars. Some species mine in leaves or bore holes into fruit or stems, making them difficult to detect and control. In addition to consumption of the [...] greyish. Adult butterflies do not damage crops. Most of them feed on nectar. In contrast, the caterpillars have biting and chewing mouthparts and can devour [...] Many species cause damage to crops. The most harmful caterpillars that occur in greenhouses belong to the Noctuidae (the noctuid or owl moths), which is the

Garden chafer

The neck shield is metallic green to shiny black. In Central Europe, they emerge from the soil in May or June. Low swarming flights just above the soil [...] laying but in time become nearly spherical through water absorption. Chafer larvae (grubs) have brown heads and whitish bodies, and normally lie in a char [...] horticola ) is a beetle from the Scarabaeidae family. It does most of its damage in the larval stage when it feeds on roots of grasses and clover. The adults

Common cockchafer

genus Melolontha, in the family Scarabaeidae. Damage symptoms The common cockchafer ( Melolontha melolontha ) does most of its damage in the larval stage [...] fully develop. The grubs are 10 to 20 mm in the first autumn, 30 to 35 mm by the following autumn, and 40 to 46 mm in the spring of their third year. The pupa [...] common cockchafer ( Melolontha melolontha ) are 2 x 3 mm, but they increase in size by absorbing water. The larvae (grubs) have a whitish curved body, large

Greenhouse whitefly

retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a reduction in yield. The [...] vaporariorum ) is one of the major pests of vegetable and ornamental crops in greenhouses throughout the world. The greenhouse whitefly ( Trialeurodes [...] moulds ( Cladosporium spp .) is encouraged, making it unsuitable for sale. In serious cases the fruit will rot. Sooty moulds also develop on the leaves

Asian citrus psyllid

citrus in several countries as it is a vector of a serious citrus disease called greening disease or Huanglongbing. It is widely distributed in southern [...] is responsible for the destruction of several citrus industries in Asia and Africa. In North America, it has spread through most of the southern states [...] injects bacteria into it as they feed. The disease can kill a citrus tree in as little as five years, and there is no known cure. Life cycle of Asian citrus