• Rose aphid

  presence in the crop. Wingless females of the rose aphid are 1.7-3.6 mm long and green or deep pink to red-brown. The antennae and sometimes the head is dark [...] symptoms Infestations with rose aphids retard the growth of buds and new shoots. Foliage and flowers are often disfigured and contaminated with sticky honeydew [...] and appearance of Rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses

• Beetles

  to the control of aphids . Beetles undergo a complete metamorphosis, that is, the larvae do not resemble the adult at all, and must pass through a pupal [...] before reaching the adult stage. Larvae have biting mouthparts and mostly feed on the same food as the adults. The pupae do not make a cocoon and will [...] already display many similarities with the adults. The adult beetles usually possess a pair of membranous wings beneath the wing covers. Many species are very

• Cutworms

  forewings with a faint kidney-shaped marking and a red spot. They have broad hindwings, evenly light or dark grey or orange-yellow with a broad dark marginal [...] separately or in batches on the ground, or on the plant close to ground level. The larvae are yellowish when hatching with a dark head capsule and prothoracic [...] and hide in the ground during the day. Damage from these instars is usually observed as a cutting of young seedlings, often causing death of the cut seedlings

• Codling moth

  invading the fruit, the larvae first form a small cavity just under the skin. The entry hole can be seen and is usually plugged by dry frass. The larva then [...] burrows towards the core and eats a large proportion of the flesh, leaving behind brown frass. The entry point is then greatly enlarged as the tissue beneath [...] moth The adults have a wing span of 15-22 mm, blackish-brown forewings, suffused with ash-grey and a large, metallic, bronzy black ocellus on the hind

• Green potted plants

  into a decorative indoor object. The plant itself is a perennial, herbaceous plant with a straight stem. Croton belongs to the spurge family of Euphorbiaceae [...] hia is a very popular ornamental plant and usually sold as houseplant. The leaves of the Dieffenbachia have white spots and specks and turn the plant into [...] attractive foliage, flowers and ornate red fruits. These plants grow in the shade and need a moist, well-drained, humus-rich soils. Skimmia plants are strong

• Phytoseiulus persimilis

  spider mites , but has a preference for eggs. The predatory mites pierce the prey with their mouthparts and suck out the contents. The adult Phytoseiulus [...] on spider mites. The quantity of prey consumed depends on the predator and prey populations, the sex and age of the predator, and the temperature and relative [...] webbing. It can move within the web with ease. This has the advantage that an outbreak is quickly and effectively dealt with, but the disadvantage is that it

• Cottony cushion scale

  from the body. On reaching maturity, the ‘female’ produces a white, fluted, wax ovisac with a series of uniform ridges running lengthwise over the surface [...] months. After leaving the egg sac, the crawlers settle along the midribs and veins of the leaves. The next two instars migrate to the larger twigs and branches [...] depletion; the shoots dry up and die, and defoliation occurs. In addition, the copious quantities of honeydew produced by the scales coat the leaves, blocking

• Faba bean

  for the Vicia faba , a flowering plant and species belonging to the vetch and pea family Fabaceae . The name ‘broad bean’ is commonly used in the United [...] cultivated for consumption. The Vicia faba grows some 0.5–1.8 m tall and is a firm plant with sturdy stems of a square cross-section. The broad beans are broad [...] broad, leather like pods. They are green and usually mature to a blackish-brown with a densely downy skin. Nowadays, modern varieties specifically cultivated

• Lurem-TR

  Preparation Twist the top of the dispenser to activate the release of the kairomone. Application Hang the dispenser next to the sticky trap Place the sticky trap [...] above (max. 30 cm) the top of the plants Dosage Use 1 dispenser per 100 m 2 Replace after 6 weeks Combined use Use in combination with Horiver sticky traps [...] Lurem-TR increases the attraction of thrips to blue and yellow sticky traps and thus ensures earlier discovery of the pest. Pests Several thrips species

• Angular leaf spot

  underside of the leaf. They enlarge to angular spots, often limited by the small veins. The distinctive feature is the way the lesions look when using different [...] or leaves in the soil, but not independantly in the soil. Under humid conditions, bacteria ooze from the lesions on the leaves and form a secondary source [...] visible on the upper side of the leaf as irregular spots which are first reddish brown and then become necrotic. The foliar symptoms are the most important