• Crane flies

  the soil in late summer to fall, and females mate and lay 200-300 eggs. Larvae emerge within one week and then feed on roots and crowns of grasses during [...] leatherjackets, live in the soil and feed on roots and shoots (which they pull into the ground of mainly grasses and cereal crops. The adults do not cause [...] larvae and digging up turf. Life cycle and appearance of Crane flies Adult crane flies are large flies with females reaching 45-50 mm across. They have long

• Tobacco aphid

  aubergine, chrysanthemum, and various pot plants and cut flower crops. Damage symptoms Nymphs and adults extract nutrients from the plant and disturb the balance [...] viruses. Life cycle and appearance of Tobacco aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in [...] glossy. Winged individuals have a brown-black head and thorax and a reddish abdomen. There is a dark brown spot on the abdomen and several transverse black

• May beetle

  feed on root hairs and organic material during the first and second instars. When they move to the next stage, the larvae start to feed on larger plant [...] roots, which later leads to signs of wilting and stunted growth. Lifecycle and appearance of the may beetle The adults belonging to the majority of Phyllophaga [...] their external appearance. In short, the adults have a reddish-brown colour and grow to approximately 10 to 25 cm in size, depending on the particular species

• The Swirski-Mite Revolution: A Game-Changer in Pest Control

  October 21, 2024

  s. It makes short work of thrips and whitefly and also tackles spider mite and tarsonemid mite.’ Versatile and reliable Amblyseius swirskii is not only [...] resistance to weather conditions such as moisture and drought in outdoor cultivation (although equally effective in greenhouses and tunnels), and which once [...] in the field automatically uses to compare other natural enemies, old or new. And there is still no reason for that to change. The predatory mite Amblyseius

• Potato aphid

  production. Life cycle and appearance of Potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in [...] Various vegetable and ornamental crops grown in greenhouses are colonized, including tomato, aubergine and roses. Damage symptoms Nymphs and adults extract [...] nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the

• Tomato leafminer

  malformations. Damage to fruit allows fungal diseases to enter, leading to rotting fruit before or after harvest. Life cycle and appearance of Tomato leafminer [...] creamy white to bright yellow, darkening in the embryonic phase and becoming almost black near eclosion. The first-instar larvae are whitish to yellowish [...] fruits, the prepupae do not build cocoons. Pupae have a greenish coloration at first, and then turn chestnut and dark brown shortly before adult emergence. Adult

• ‘Knowing & recognizing’ now available in 4 languages

  May 23, 2018

  concerning the prevalent pests and diseases is accessible to other parts of the world in different languages. ’As both public and governmental pressure for [...] solutions for food crops and ornamental plants mounts, and measures are taken to reduce the use of chemicals in agriculture and horticulture, the importance [...] Systems’ revised and updated reference book on pests, disease and their biological solutions – has been translated into Dutch, French and Spanish. The English

• Caterpillar control in greenhouse crops

  June 20, 2019

  After leaving the egg, caterpillars then feed and moult. Once fully-grown, caterpillars cease to feed, and then pupate. Eventually the moth or butterfly [...] products safely. Always read the label and product information before use. Pay attention to the risk indications and follow the safety precautions on the [...] greenhouse belong to the Noctuidae, which is the largest of all the lepidopteran families. Their forewings are mostly shades of brown and grey, whilst the

• Geranium aphid

  Life cycle and appearance of Acyrthosiphon malvae rogersii Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety [...] malvae rogersii is holocyclic (i.e. they mate in autumn and produce eggs to overwinter) and monoecious (i.e. they do not change their host plant for [...] in June. Winged aphids are formed from May onwards and are responsible for spreading the infestation to other strawberry plants. Acyrthosiphon malvae rogersii

• Parasitoid wasps

  higher yield and product quality. Environmental sustainability : Parasitoid wasps provide a natural and environmentally responsible solution to pest management [...] them valuable allies in horticulture and agriculture. Unlike chemical pesticides, parasitoid wasps are natural and do not harm beneficial insects, animals [...] chemical pesticides. Consistency and long-term effectiveness : Parasitoid wasps, once established, offer consistent and long-term pest control. These beneficial