• Spotted Wing Drosophila

  its invasion in 2008/2009, the spotted wing drosophila, which is originally from Asia, has spread extensively in North and South America and Europe where [...] three larval instars and in the third instar the larvae are about 3.9 mm long. The pupae of Drosophila suzukii are tan-brown and 3 mm long. Contrary to [...] where it has caused severe yield losses in many berry crops, cherries and grapes. Damage symptoms After oviposition, the respiration tubes extend from the

• Thrips

  most challenging pests in greenhouse and field crops. Their feeding and virus transmission cause leaf deformation, silvering and fruit damage, leading to [...] Predatory mites and bugs actively control thrips larvae and pupae, while beneficial nematodes target pupae in the soil. Sticky traps and kairomones support [...] 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

• Blackcurrant aphid

  , attacks black currant and also red current. It is widespread throughout Europe and also present in the Russian Far East and North America. Damage symptoms [...] have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by pa [...] black sooty mould fungi grow. Leaves and fruit quickly turn black and fruit can become unmarketable. Life cycle and appearance of Blackcurrant aphid Aphids

• Chafers

  smaller; about 13-15 mm long and reddish-brown in colour. The adult beetles fly in the evening, generally in June and July and land on trees to mate. During [...] the roots can lead to yellowing and wilting of plants. Damage can be severe on young plants and especially in grassland and turf. There, secondary damage [...] birds and small mammals digging for the grubs to eat them. Life cycle and appearance of Chafers Adult Amphimallon sostitialis are 14-18 mm long and yellowish

• Tomato russet mite

  brown colour, and in serious cases they may snap. The fruit can also be affected, and when this happens in tomatoes, the skin becomes coarse and turns reddish [...] plants. Aculops lycopersici was detected for the first time in Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant [...] are slightly curled and acquire a silvery sheen on the underside. Later they become brown and brittle. Badly affected tomato leaves and stems lose their trichomes

• Cabbage moth

  rhubarb as well as chrysanthemum and carnation. It is a species found in Europe, North Africa (Libya, Canary Islands), Japan and sub-tropical Asia, including [...] skeletonized leaves, holes and frass on leaves. The caterpillars destroy large numbers of leaves and their frass accumulates in the heart of cabbage, thereby [...] ed white-rimmed marking in the middle. The hindwings are light brown with a rather inconspicuous spot in the middle. Head and thorax are grey-brown with

• Silver-Y moth

  plants of 14 families and is sometimes also encountered in greenhouse crops such as sweet pepper, lettuce, beans, chrysanthemums and various other ornamental [...] the leaf epidermis and on the petiole, skeletonized leaves, accumulation of frass and destruction of growing points. Life cycle and appearance of Silver-Y [...] The body is light brown and hairy, the antennae are long and thin. The moths fly during the day as well as at night, often in large swarms. They fly rapidly

• Cotton aphid

  cycle and appearance of Cotton aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses [...] 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 [...] honeydew, contaminating fruit and ornamental crops and rendering them unsuitable for market. At the same time, photosynthesis in the leaves is reduced, affecting

• Two-spotted spider mite

  crop. The nymphs and adults also produce webs, and plants can get completely covered with such webs in which the mites live. The webbing and spotting on the [...] underside of leaves where they pierce the cells and suck out the contents. The empty dead cells become yellow, and in many plants the damage can also be seen on [...] cells results in reduced photosynthesis, increased transpiration and reduced plant growth. As damage increases, whole leaves turn yellow, and as more cell

• Buckthorn-potato aphid

  have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by par [...] summer hosts and start to reproduce parthenogenetically. Both wingless and winged forms are produced parthenogenetically. They are usually found in the lower [...] lower parts of the plants and are not very mobile. In autumn, winged males and females are produced, which return to the primary host buckthorn where they