Two-spotted spider mite

such webs in which the mites live. The webbing and spotting on the leaves affects the appearance of the crop. This is of particular concern in ornamental [...] damage can also be seen on the upper surface of leaves as small yellow dots. The destruction of cells results in reduced photosynthesis, increased transpiration [...] eventually the whole plant, may die. In tomatoes and cucumbers, as little as 30% damage of the leaf surface can lead to loss of the crop. The nymphs and adults

Aphids

extract large quantities of sap in order to get sufficient protein. As a consequence, the excess sugar is secreted in the form of honeydew, making the crop [...] healthy, productive crops. Biological control of aphids uses a combination of natural enemies that attack aphids in different ways: Parasitic wasps Predatory [...] enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap has a low protein content but is rich in sugars

Broad mite

indication of an attack of broad mite ( Polyphagotarsonemus latus ), is the appearance of dark brown edges at the base of young leaves. In case of a mild [...] s latus) occurs in the tropics and in greenhouses in temperate regions. The broad mite (Polyphagotarsonemus latus) has a wide range of host plants, especially [...] caused by viruses. The typical pattern of damage consists of malformation and distortion of the above-ground growth of the plant. The mites show a preference

Chilli thrips

thrips, is an emerging pest of significant concern in greenhouse cultivation. Known for its ability to damage a wide variety of crops, including ornamentals [...] widespread adaptability. Life cycle and damage of Scirthothrips The life cycle of Scirtothrips dorsalis consists of six stages: egg, two larval instars, pre-pupa [...] eggs in the youngest plant tissues. Eggs are oval, whitish to yellow and kidney shaped. Nymphs are tiny, slender, fragile and yellowish straw in colour

Spider mites and other mites

such webs in which the mites live. The webbing and spotting on the leaves affect the appearance of the crop. This is of particular concern in ornamental [...] far the most important species in greenhouses and many outdoor crops. Find solutions for mites in your crop Life cycle of spider mites Spider mite damage [...] damage can also be seen on the upper surface of leaves as small yellow dots. The destruction of cells results in reduced photosynthesis, increased transpiration

Oleander aphid

can be found in tropical to warm temperate regions throughout the world. It probably originated in the Mediterranean region, the origin of its principal [...] and cauda (tip of abdomen). Nymphs are similar to apterae in appearance except that they are smaller. Size ranges from 1.5 to 2.6 mm in length. Females [...] eggs and that the progeny are clones of the adult female. The nymphs feed in colonies on the shoots at the top of the plant. Nymphs progress through five

Spotted Wing Drosophila

General Since the start of its invasion in 2008/2009, the spotted wing drosophila, which is originally from Asia, has spread extensively in North and South America [...] small, 2-3 mm in lengthg, and have a wingspan of 6-8 mm. Males are smaller than females. They can be easily distinguished from males of other Drosophila [...] tubes which stick out of the fruit. There are three larval instars and in the third instar the larvae are about 3.9 mm long. The pupae of Drosophila suzukii

Green peach aphid

therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit [...] and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When [...] families. Damage symptoms Of all the aphids , the peach potato aphid ( Myzus persicae subsp. persicae ) is the most important vector of viral diseases. It can

Tea spider mite

most destructive pest in all tea growing areas of India causing considerable yield loss. Life cycle and appearance The life cycle of spider mites includes [...] period and couple of months during winter. The life cycle is shorter (10-12 days) during summer period and it takes longer period of 28 days in colder weather [...] deutonymph and adult with quiescent stages in between two successive active stages. Females lays 40 to 50 eggs in their life cycle. The blood red colour eggs

Cottony cushion scale

spread widely through most of the tropical and subtropical countries of the world. It is also periodically discovered in greenhouses in temperate regions, but [...] purchasi , is considered to have originated in Australia. It was accidentally introduced to California in about 1868 and devastated the citrus industry [...] there until a natural enemy from Australia was introduced in 1888. This was the first ever example of successful classical biological control. The cottony cushion