Greenhouse whitefly

gerbera and poinsettia. Find solutions for whitefly in your crop Damage symptoms The larvae of whitefly need a lot of protein for growth, and thus consume [...] 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 honeydew [...] the leaves, reducing photosynthesis and transpiration. Viruses can be transmitted. The consumption of plant sap and secreting of honeydew by whiteflies

Onion thrips

throughout the world. It is found outdoors on many plants and particularly damaging on onions, leek, and in greenhouses on cucurbits, tomato, sweet pepper, eggplant [...] eggplant, roses, chrysanthemum, gerbera, carnations, bulbs and many others. Life cycle and appearance of Onion thrips Onion thrips (Thrips tabaci) develops [...] instars, prepupa, pupa, and finally the adult insect. The eggs of the onion thrips (Thrips tabaci) are laid in leaves, flower petals and in the soft parts of

Broad mite

but is slightly smaller and has only three pairs of legs. The emerging adult mite is roughly 0.2 mm long, oval and broad, and pale yellow or yellow-green [...] peppers, but also aubergine, tomato and cucumber. Additionally, many ornamental crops such as azalea, begonia, gerbera and cyclamen are also affected. Outside [...] are species that feed on fungi, algae, plants, as well as insect and mite predators and parasites. Those living on plants can cause considerable damage

Diamond back moth

flower buds, flowers and young seed pods, causing loss of pods and seeds. Life cycle and appearance of Diamond back moth The oval and flattened eggs of the [...] cruciferous hosts exist and it is considered to be the most universally distributed lepidopteran species. It is highly migratory and wind-borne adults can [...] chlorophyll-rich green areas of stems and pods causing whitening of the crop. Heavily damaged plants appear stunted and will, in most cases, die. On rapeseed

Black vine weevil

crops (e.g. rhododendron, cyclamen and azalea), as well as in strawberries and other fruit crops in both temperate and sub-tropical regions. It belongs to [...] rhizomes and stem bases of plants. Larvae can also feed above ground within the stems of the plants. Both adult beetles and larvae are polyphagous and feed [...] during the day they hide, and can often be found between the inside of a plant pot and its contents, under lumps of e, in vegetation and under planks etc . In

European red mite

(apple, pear, plum and cherry). However, it can attack a large scale of other woody plants and is occasionally a problem on roses and other ornamentals [...] yellowish red, and more slender and tapered near the hind end. The development from egg to adult goes faster at higher temperatures and takes approximately [...] onion. Adult females are about 0.4 mm long, brick red, and oval shaped with white hairs on their back and white spots (tubercles) at the base of the hairs;

Two-spotted spider mite

increased transpiration and reduced plant growth. As damage increases, whole leaves turn yellow, and as more cell sap is removed, the leaf, and eventually the whole [...] tomatoes and cucumbers, as little as 30% damage of the leaf surface can lead to loss of the crop. The nymphs and adults also produce webs, and plants can [...] far the most important species in greenhouses and many outdoor crops. Spider mite damage Larvae, nymphs and adults cause damage to the host plant by feeding

Southern European marshland pyralid

ornamental crop plants, such as roses and gerbera, aquatic plants, vegetable crops such as celery, pepper and lettuce, and weeds. The secretive habit of the [...] crops cultivated in an ebb-and-flow irrigation system. The damage threshold varies considerably according to the crop: in begonia and kalanchoë a relatively [...] as well as life materials. Young larvae feed on the leaves and flowers before they bore and burrow into the stem to emerge at ground level. The caterpillars

Carnation tortrix

carnations and strawberries in greenhouses; the damage inflicted to strawberries and other crops grown outdoors is less serious. Life cycle and appearance [...] fliers and are active diurnally, unlike most leafrollers, which mainly fly at dusk and after dark. The females have a limited flight capacity and only cover [...] Sardinia, Crete, the Balearic and Channel Islands as well as Madeira. It is polyphagous, observed on 160 cultivated and wild plant species – trees as well

Spotted Wing Drosophila

spread extensively in North and South America and Europe where it has caused severe yield losses in many berry crops, cherries and grapes. Damage symptoms [...] blueberries, strawberries) and stone fruits (e.g. cherries, plums) being particularly susceptible to infestation. Life cycle and appearance of Spotted wing [...] used to penetrate the skin of the host fruit and for laying the egg into the fruit. Eggs are white, 0.6 long and 0.2 mm wide. Each egg has two respiratory