• Cottony cushion scale

  control. The cottony cushion scale has subsequently spread widely through most of the tropical and subtropical countries of the world. It is also periodically [...] types of fruit and forest trees, and ornamental shrubs and trees. Damage is mostly caused by sap depletion; the shoots dry up and die, and defoliation occurs [...] honeydew, cottony cushion scale infestations are often attended by ants. Life cycle and appearance of Cottony cushion scale As with all scale insects,

• Boisduval scale

  development from egg to the adult stage takes on average 33 days for males, and 50 days for females. [...] symptoms. Here, the Boisduval scale is described in more detail, as it is the most important one. The Boisduval scale, Diaspis boisduvalii , occurs throughout [...] the sheath. Small infestations on orchids cause extensive discolouration. Life cycle and appearance of Boisduval scale Females are white to light yellow

• Spidex Vital lives up to its promises

  in using the new product are positive. ‘I’ve known Phytoseiulus my whole life,’ the cucumber grower begins. On his three-hectare farm in Pijnacker, the [...] of crop, an even better beneficial is always welcome. That was the reason for me to try the new product.’ Pest control starts sooner So far, Spidex Vital [...] the farm The increased effectiveness of Spidex Vital is a major advantage for Sjaak van Dijk. ‘As already mentioned, spider mites can cause real problems

• Pepper weevil

  monitor them during the cooler parts of the day, as this is when they are most active. Another recommendation is to inspect the ground as well as the flowers [...] the ground and keep still when they detect a threat. Damage symptoms The most significant damage occurs with the loss of fruit, whether they fall to the

• American serpentine leaf miner

  enter the plant tissue via the feeding spots. Life cycle and appearance of American serpentine leaf miner The life cycle of a leaf miner has the following stages: [...] symptoms Leaf miners cause damage to plants both directly and indirectly. The most direct damage is caused by the larvae mining the leaf tissue, leading to [...] between these ‘plate mines’ and normal mines, making it an unreliable criterion for the identification of the species. Indirect damage arises when disease causing

• Tomato leaf miner

  bacteria enter the plant tissue via the feeding spots. Life cycle and appearance of Tomato leaf miner The life cycle of a leaf miner has the following stages: [...] 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 [...] symptoms Leaf miners cause damage to plants both directly and indirectly. The most direct damage is caused by the larvae mining the leaf tissue, leading to

• Olive scale

  settle mostly along the main veins on the lower sides of mature leaves. Many young females migrate to twigs and branches later and remain there for the rest [...] debilitate the plant and can cause wilting, desiccation of tissues and dieback. Life cycle and appearance of Olive scale Young females are oval, 3-6 mm long and

• Grower Koen - Embracing biological crop protection in agriculture

  challenges, but Koen embraced the change and emphasizes that the effectiveness of products is still the most important for him, regardless of whether they [...] to prepare for this new phase of sustainable agriculture. With his farm as a living example, Koen is an inspiration for others striving for more sustainable [...] reduction of chemical methods paves the way for organic alternatives that can complement traditional farming practices. For him, it is clear that chemical-free

• Bugs

  harmful bugs in different crop stages. With Koppert’s biological solutions for bugs, professional growers can protect their crops effectively, reduce pest [...] pest populations and support sustainable, residue-free production. Solutions for bug control Learn more about What are bugs? Heteropteran bugs form a group [...] produce a pungent odour. Heteropteran bugs are hemimetabolous insects. Their life cycle consists of an egg, usually five nymphal instars and the adult insect

• Leek moth

  garlic and chives. Damage symptoms The vegetative and flowering stages are most widely affected, but the seedling stage is sometimes affected in nurseries [...] the plant. Severe damage also occurs on inflorescences of plants cultivated for seed production where serious seed loss can occur. On leeks, larvae mine the [...] the fall of the flowers where moth larvae have eaten the floral peduncles. Life cycle and appearance of Leek moth The leek moth ( Acrolepiopsis assectella