Flies

shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist substrates that is rich in organic matter. Although they [...] are mostly found in the soil. The spotted wing drosophila , Drosophila suzukii , has recently developed into a major pest on soft fruits in Europe and North [...] Diptera Flies What are flies? There are several flies that are pests in agriculture, horticulture and mushroom cultivation. Species that can cause damage

Potato aphid

occurs early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low [...] longitudinal stripe running along the dorsal surface. In green individuals, this stripe is dark green, while in pink specimens it is dark red. This longitudinal [...] species from more than 20 families. Various vegetable and ornamental crops grown in greenhouses are colonized, including tomato, aubergine and roses. Damage symptoms

Click beetles

6-10 mm long and yellowish brown to black. The eggs are laid in May or June in groups in the soil. They hatch about one month later and the larvae start [...] fully grown the larvae pupate in the soil in summer. The adults appear about 4 weeks after pupation, but usually remain in the soil until the following [...] of plants. This can cause the plants to wilt and die. Damage is more severe in young plants. Life cycle and appearance of Click beetles Adult Agriotis sp

Glasshouse potato aphid

to deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves in the crop can cause [...] margins. The immediate effects of piercing by the aphids are visible in lower leaves in the form of yellow patches. Heavy yellowing may even be followed by [...] presence in the crop. The wingless adult stage of the greenhouse potato aphid is rather squat, of medium size (1.8 - 3.0 mm long) and oval in shape. It

Tobacco aphid

) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco crops in both the United States and South America. The tobacco [...] tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered in a range of crops in greenhouses, such as sweet pepper, aubergine, chrysanthemum, and [...] occurs early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low

Spidex Vital Go

n Sachets in cardboard box. Carrier Wood chips. Application Hang sachets in and around first spider mite hotspots, in sheltered locations in the crop, [...] not exposed to direct sunlight. In tomato only use Spidex Vital Go in hotspots Sachets already have an exit hole Hold sachets by the cardboard strip at [...] spp., except Tetranychus evansi . Mode of action Predatory mites multiply in the sachet and disperse into the crop over a period of a couple of weeks.

Tomato leaf miner

crop damage in many parts of the world, including North Africa, Europe and northern Asia. In warmer regions, the insect is found outdoors but in temperate [...] occurs in greenhouses. The tomato leaf miner has been found in greenhouses for decades, but has become a common pest since the 1960’s, particularly in sweet [...] 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

Beet armyworm

the ground in preparation for pupation. Although pupation sometimes occurs in the crop, it usually takes place on the surface of the ground in a loosely [...] It is a serious pest in greenhouses, where it feeds on ornamental plants such as chrysanthemum, gerbera, roses and potted plants. In both the greenhouse [...] can spread to the stems, and in the worst cases to the fruit. This often leads to the entire contents being consumed. In ornamental crops the worst damage

Thrips

cause problems in agriculture and horticulture. Thrips are small insects (0.5-14 mm), with the largest species found in the tropics. In temperate regions [...] female deposits an egg, she makes an opening in the plant tissue. The eggs are laid in leaves, flower petals and in the soft parts of stalks. On the leaves [...] All thrips species that cause damage in green-houses belong to the family Thripidae. Find solutions for thrips in your crop Life cycle of thrips Thrips

Stable fly

believed they first originated somewhere in Eurasia. Stable flies superficially resemble house flies, but are lighter in colour and have biting mouth parts. [...] are between 5–7 mm in size and largely resemble the house fly , even having a four-striped thorax. However, they are light grey in colour; they have a [...] their small (~1 mm long), white, sausage-shaped eggs (singly, or in bunches of 25–30) in humid areas with large amounts of decaying organic matter, such