Yellow rose aphid

sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the [...] of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves. Retarded growth and defoliation reduce yield. Plant sap is [...] place by parthenogenesis, with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching

Woolly apple aphid

and appearance of Woolly apple aphid In contrast to other aphids , the life cycle and survival from year to year of the woolly aphid depends entirely on wingless [...] apple pest. It is probably of North American origin and has been distributed to other parts of the world mainly via infested apple rootstocks. It can occasionally [...] as Gloeosporium rots or apple canker. Woolly aphid does little direct harm to mature trees but the sticky masses of “wool” may contaminate leaves and fruits

Black vine weevil

and other fruit crops in both temperate and sub-tropical regions. It belongs to the family Curculionidae. Damage symptoms The major damage is caused by the [...] destroy plants under field conditions. Established crops are more resistant to damage than young plants or just planted cuttings. The adult beetles are only [...] around the end of October. The larvae that hatch have a white, translucent to pinkish body and a reddish brown head. These larvae live in the root zone

Bumblebee pollination

greenhouses, tunnels or netted orchards compared to honeybees. Bumblebees tend to visit all crops close to the hive, which can be a benefit when less attractive [...] compared to rival products because Koppert’s bumblebee colonies grow faster and last longer. The hive design developed over the years helps bumblebees to save [...] play a crucial role in enhancing fruit and vegetable production, leading to better harvests and improved crop quality. Unlike other pollinators, bumblebees

Western flower thrips

Thrips cause damage to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue to die. The resulting [...] with a saw-like ovipositor. Larvae are nearly transparent white or yellowish to orange-yellow, with a large head and bright red eyes. Adult females are very [...] variable in colour. They range from almost white through yellowish orange to almost black. Western flower thrips (Frankliniella occidentalis) usually pupate

Tomato moth

underside of leaves in groups of 50 to 300, often arranged in layers. The eggs are greenish at first, but gradually change to a light yellow or almost white [...] instars, later becoming white to grey-brown with mottled markings. The pattern of markings on the larvae varies according to the host plant and developmental [...] areas of leaves and can also attack stems, rendering them fragile and liable to break. Young plants may be stripped completely, and the frass deposited on

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European red mite

mainly on the undersides of leaves but moves to upper leaf surfaces when the lower side becomes crowded. Contrary to the two-spotted spider mite , Tetranychus [...] leaves and when these coalesce the leaves loose colour; this is often referred to as bronzing. When infestation is heavy, leaves can drop. Life cycle and appearance [...] about 0.15 mm in diameter, dark red, and oval with small ridges running top to bottom, with a thin stalk on top. They look a bit like an onion. Adult females

Aphidius ervi

internal tissues. They use their mouthparts to puncture the aphid and consume its bodily fluids, ultimately leading to the host's demise. In environments where [...] been widely utilized in various agricultural regions around the world due to its effectiveness. An Aphidius ervi female wasp can parasitize hundreds of [...] at Koppert as Ervipar . Aphidius ervi products Ervipar Expand all items How to use Aphidius ervi The parasitic wasp Aphidius ervi is available in a bottle

100% Sustainable Agriculture

Pioneering is not new to Koppert. In fact, it’s in our DNA. Fifty years ago our founder was the first to introduce a natural enemy to combat spider mite in [...] product portfolio and holistic approach to crop health and resilience is unique; it offers an integrated approach to today’s progressive farmers. With the [...] generations makes it even more challenging. You are not alone: Koppert wants to help you find the right solutions. We are a family business and the global