• Tarnished plant bug

  per year. The eggs of Lygus lineolaris are about 1 mm long, shaped like a thin, slightly-curved flask, truncated with a flat cap from which the nymph emerges [...] enzyme-filled saliva to break down the plant tissue and sucking out the contents. The following symptoms begin to appear a few weeks after feeding injuries [...] General The lygus bug (or tarnished plant bug) is native to North America, and it is especially common across the eastern half of the continent, from northern

• Two-spotted spider mite

  to the host plant by feeding on plant sap. They mainly occur on the underside of leaves where they pierce the cells and suck out the contents. The empty [...] loss of the crop. The nymphs and adults also produce webs, and plants can get completely covered with such webs in which the mites live. The webbing and [...] become yellow, and in many plants the damage can also be seen on the upper surface of leaves as small yellow dots. The destruction of cells results in reduced

• Caterpillar control with nematodes

  against a variety of caterpillars . It also shows that while nematodes move most efficiently in a liquid layer, a dry leaf surface does not stop the nematodes [...] release the pathogenic bacteria they carry with them. These bacteria kill the insect and digest it from the inside. The nematodes feed on the tissues of [...] application, the nematodes search for their prey. Once they have found a host insect, they penetrate it through its natural body openings or skin. The nematodes

• Chrysoperla carnea

  sheltering under the plant or the rim of the pot, during daylight hours. The larvae grasp their prey from below and lift them in their jaws. The prey is injected [...] with a salivary fluid that digests the body contents, which are then sucked out. The prey can sometimes be larger than the larva itself. On average a larva [...] commonly known as the green lacewing, is a beneficial insect used in agriculture as a natural predator of various pest insects. It belongs to the family Chrysopidae

• Trichoderma harzianum

  harzianum grows faster on the surface of the root than soil borne pathogenic fungi, which get no change to establish themselves on the roots. Competition for [...] Induced resistance: Trichoderma harzianum reinforces the defence mechanism of the parts of the plant above the ground, so-called induced system resistance (ISR) [...] harzianum has the capacity to make certain 'fixed' nutrients such as manganese and iron available for the plant to absorb. As a result, it provides a natural

• Thrips

  cause damage to the plant by piercing the cells of the surface tissue and sucking out their contents, causing the surrounding tissue to die. The resulting [...] six stages: the egg, two larval instars, a pre-pupa and a pupal instar, and finally the adult insect. The eggs are kidney-shaped and have a white or yellow [...] are smaller than the adults and lack wings. Depending on the species, thrips either pupate on the plant or in the ground. The pre-pupal and pupal instars

• Bugs

  wings flat over their body when at rest. The wings overlap each other exposing the scutellum, a prominent triangular region of the thorax between the wing [...] control Learn more about What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and [...] and puncture holes. The most obvious damage is the deformation of growing points. They also cause tissue damage and deformed growth as a result of toxic

• 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. [...] become brown near the base. Life cycle and appearance of Cyclamen mite The life cycle of the cyclamen mite ( Phytonemus pallidus ) has the following stages: [...] used for walking. The males are smaller than the females and their hind legs are modified and used to transport pharate females. Eggs of the cyclamen mite

• How to protect bumblebees from heat

  temperatures The effects of the environmental temperature and sun radiation on the internal hive temperature can be great. We advise growers to protect the hive [...] it in a cool spot. There are various methods available for growers to do so: Right placement Placing the hive near the ground on the shade of the crop can [...] can keep the temperatures inside the hive lower. Shading Providing effective shading to the top and the sides of the hive or providing an installation

• European corn borer

  in June. The eggs are laid mainly on the underside of leaves. The larvae initially feed on the leaves and then bore into the upper part of the maize plants [...] just before hatching. The eggs are laid in a mass and overlap like tiles on a roof. The average number of eggs per egg mass is 30. The larvae are up to 25 [...] brown to brownish and dark spots with a pale centre at the base of the hairs. The head is brown to brownish black. The pupae are up to 2 cm long and light