Boisduval scale

called the exuvium. Adult females can produce up to 200 eggs and live up to seven months. Eggs hatch within five to seven days under the scale and become [...] move out to look for a suitable place to feed and become sessile usually after a few hours The development from egg to the adult stage takes on average [...] , occurs throughout the tropics, and in greenhouses in more temperate climates. It is very polyphagous and can be a pest of orchids, palms, pineapples

Garden chafer

damage in the larval stage when it feeds on roots of grasses and clover. The adults feed on the leaves of trees like oak, hazelnut and birch and on the flowers [...] its damage in the larval stage when it feeds on the roots. First instar larvae mainly feed on small humus particles, second instar larvae on fine roots [...] stay close to the ground. Females start to deposit eggs into the soil at a depth up to 5 cm soon after mating. The eggs elongate at laying but in time become

Oleander scale

is seen as green spots on purple fruits. Damage to foliage is particularly important in ornamentals . Heavy infestation can lead to yellowing, leaf and shoot [...] leading to lower yield. Damage to fruit occurs in heavy infestations, where spotting and often deformity of fruits affects market value. In olives this [...] themselves to the plant and form a scale. Colonies mainly form on the underside of leaves. After 1 to 2 months, the female reaches adulthood and begins to lay

Feltiella acarisuga

highly effective in the biological control of spider mites . This beneficial insect, native to Europe, preys on various spider mite species, in particular the [...] acarisuga in their pest management programs, agricultural and horticultural producers can protect their crops from spider mites while reducing reliance on chemical [...] Spidend . How to use Feltiella acarisuga The predatory gall midge Feltiella acarisuga is available in plastic cups ( Spidend ). Make a hole in the lid and

Onion thrips

depends on the food source. Onion thrips (Thrips tabaci) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other [...] 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 [...] petals and in the soft parts of stalks. They are inserted into the plant tissue with a saw-like ovipositor. Larvae are light to yellowish green in colour,

Southern European marshland pyralid

at night, but can sometimes be seen in the daytime. Eggs are laid singly or in groups of 5 to 10 eggs, overlapping in a tile-like fashion on both the upper [...] Caterpillars are found in webs, preferably in damp, humid places and are thus mainly found low in the crop, often in decaying organic material on the ground or [...] caterpillars to inflict damage to the roots of crops cultivated in an ebb-and-flow irrigation system. The damage threshold varies considerably according to the

Ervibank

place it on the rock wool in the basket Place the basket in direct light, preferably in a spot where it can remain for 10-12 weeks Fit a dripper to the tussock [...] hours. In these cases it may be necessary to switch to an alternative way of irrigation temporarily. Notes Wheat aphids can only live and reproduce on mon [...] product can be stored for 1-2 days. Storage temperature 5-8°C/41-47°F. Storage conditions Store in a dark place. In case of excess of condensation in the box

Obscure mealybug

engaged in seeking females to fertilize. The female second instar nymphs, on the other hand, settle on the leaf and begin to secrete wax, moulting to a third [...] Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of protein, mealybugs must therefore [...] from South America, but can now be found in many parts of the world with a temperate climate. It has a very similar appearance to the citrus mealybug (P

Yellow rose aphid

betraying their presence in the crop. The yellow rose aphid is holocyclic in North America (i.e. they mate in autumn and produce eggs to overwinter). It is also [...] females) and generally found only on cultivated roses and strawberries, in glasshouses in northern Europe or outdoors in warmer climates. Wingless yellow [...] great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized viviparous females continuing to produce new g

Hemp russet mite

mite develops on the stems and petioles of the hemp plant and can cause stunting. When populations are large, the mites can also be found on the underside [...] This results in smaller leaf size and suppressed bud growth leading to a reduction in the number of buds and dwarfed buds. This damage can reduce yield [...] Aculops cannabicola ) belongs to the family Eriophyidae (gall and rust mites). It does not produce galls but lives freely (vagrant) on hemp/cannabis plants. Aculops