Wireless Beehome

Beehome receiver can open or close the hive entrance of a Natupol hive on set times. One central transmitter can manage several receivers in the greenhouse and [...] construction. The moment of opening and closing the hive entrance can be controlled by a signal from the climate computer or a timer connected to the central [...] after receipt The battery of the Wireless Beehome receiver can last for two seasons if the receivers are switched off after removal from the greenhouse.

Mealybugs and scales

unfit for sale, and the reduced level of photosynthesis in the leaves also reduces flower and fruit production; in ornamental crops, the mere presence of [...] it. Ants are also attracted by the honeydew. In fact, the honeydew with its sooty mould is usually the first sign of the presence of this type of pest. [...] resulting in considerable damage in ornamental and fruit crops and loss of value. Armoured scales do not produce honeydew. The concealed habit and the protective

Steinernema carpocapsae

ultimately killing the host within a few days. The nematodes then feed and reproduce within the cadaver of the dead host, resulting in the emergence of a new [...] nematodes penetrate the pest's body through natural openings. Once inside the pest, the nematodes release symbiotic bacteria, typically of the genus Xenorhabdus [...] new generation of nematodes that can continue to seek out and infect other pests in the area. In this way, Steinernema carpocapsae nematodes effectively

Cutworms

long just after emergence and can reach 4 cm or more when fully grown. The caterpillars may be encountered in the soil in a characteristic, circular position [...] and hide in the ground during the day. Damage from these instars is usually observed as a cutting of young seedlings, often causing death of the cut seedlings [...] stalk, disrupting the sap flow in the plant. Life cycle and appearance of Cutworms The adults of Agrotis spp. have pale grey to grey-brown forewings with

Southern European marshland pyralid

caterpillars often stay in the lower strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow into soft [...] possibly stem collapse. The holes bored into the stem can facilitate infection by the fungus Botrytis cinerea . In gerbera, the flower buds may also be [...] feature is the triangle formed by the head and forewings. Moths mainly fly at night, but can sometimes be seen in the daytime. Eggs are laid singly or in groups

Garden chafer

General The garden chafer ( Phyllopertha horticola ) is a beetle from the Scarabaeidae family. It does most of its damage in the larval stage when it feeds [...] cherries. Damage symptoms The garden chafer ( Phyllopertha horticola ) does most of its damage in the larval stage when it feeds on the roots. First instar larvae [...] larvae can also feed on bigger roots. After the roots have been destroyed the larvae move into corms, rhizomes and stem bases of plants. Larvae can also

Beetles

pupal instar before reaching the adult stage. Larvae have biting mouthparts and mostly feed on the same food as the adults. The pupae do not make a cocoon [...] ladybirds contribute to the control of aphids . Beetles undergo a complete metamorphosis, that is, the larvae do not resemble the adult at all, and must [...] already display many similarities with the adults. The adult beetles usually possess a pair of membranous wings beneath the wing covers. Many species are very

Boisduval scale

1.2-2.2 mm in diameter and circular or oval. The cast skins of the nymph form a light yellow spot near the centre of the scale called the exuvium. Adult [...] very similar in their appearance and damage symptoms. Here, the Boisduval scale is described in more detail, as it is the most important one. The Boisduval [...] boisduvalii , occurs throughout the tropics, and in greenhouses in more temperate climates. It is very polyphagous and can be a pest of orchids, palms,

Adalia bipunctata

aphid species, but the product Aphidalia is especially designed for the control of aphids in trees. How to use Adalia bipunctata The predatory beetle Adalia [...] Adalia bipunctata is available in a cotton bag ( Aphidalia ). Open the bag and attach it to the tree near the first branch with a nail or wire stitch Apply [...] maximum 3 bags per tree The dosage of Aphidalia depends on climate and the size of the trees and should always be adjusted to the particular situation. Start

Oleander scale

symptoms Scale infestation can be seen by the appearance of the scale armour on stems, leaves and fruits of hosts. Infestations on the leaves and stems may cause [...] cause wilting and may reduce the photosynthetic area of the plants, leading to lower yield. Damage to fruit occurs in heavy infestations, where spotting [...] value. In olives this is seen as green spots on purple fruits. Damage to foliage is particularly important in ornamentals . Heavy infestation can lead to