Garden chafer

who mate with females that stay close to the ground. Females start to deposit eggs into the soil at a depth up to 5 cm soon after mating. The eggs elongate [...] General The garden chafer ( Phyllopertha horticola ) is a beetle from the Scarabaeidae family. It does most of its damage in the larval stage when it feeds [...] larval instars, a pupal instar and the adult beetle. Adult garden chafers ( Phyllopertha horticola ) have red-brown slightly hairy wings with a dark edge. The

Cutworms

brown to dark brown and 17-25 mm long. Females are capable of laying several hundred eggs. There are six to seven larval stages. Pupation takes place in [...] and have a wide host range. Life cycle and appearance of Cutworms The adults of Agrotis spp. have pale grey to grey-brown forewings with a faint kidney-shaped [...] close to ground level. The larvae are yellowish when hatching with a dark head capsule and prothoracic shield, later they become earth-brown to dingy grey

Large raspberry aphid

Aphids 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 [...] Wingless females of the large raspberry aphid are 2.6-4.1 mm long, pale to yellowish green with long antennae, legs and siphunculi. The cauda is short and triangular [...] appear in June and July and migrate to new canes or host plants where they produce wingless aphids again. In October to December winged aphids appear again

Tomato russet mite

The first nymphal stage is a transparent white colour and about 0.1 mm long. They usually develop to the 2nd stage within a day. All life stages look very [...] referred to as Vasates lycopersici, Vasates destructor and Phyllocoptes destructor in older publications) belongs to the family Eriophyidae. It does not produce [...] Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant family Solanaceae may be affected to a lesser extent. Damage

Woolly apple aphid

canker. Woolly aphid does little direct harm to mature trees but the sticky masses of “wool” may contaminate leaves and fruits and can be a nuisance at harvest [...] Eriosoma lanigerum , is a serious worldwide apple pest. It is probably of North American origin and has been distributed to other parts of the world mainly [...] also be found in pear, quince and a few other woody Rosaceae. Life cycle and appearance of Woolly apple aphid In contrast to other aphids , the life cycle

Pepino mosaic virus

very intense for a few weeks and then disappears to eventually return later in the season. This means that damage can be more severe during a certain period [...] varieties are more susceptible to quality losses due to PepMV than others and climate also has an impact. In general, when a plant has more stress for whatever [...] d surfaces for several weeks, remaining infectious and ready to infect new plants. How to prevent Pepino mosaic virus Pepino mosaic virus is highly infectious

Plant Pollinator interactions in high temperatures

essential to point out that exposure to maximum temperatures of more than 30° C for a couple of hours has a negligible effect on pollination. However, a full [...] an immediate effect. For a high 24-hour temperature to affect pollination takes at least one to two weeks. Similarly, it takes two weeks of cold weather [...] of fruit causes the plant to become more vegetative to which the grower often responds by removing a head leaf. In this case, removing the head leaf may

Aphids

can cause leaves to curl or twist as they feed on the plant sap. How to prevent aphids To prevent aphid infestations in crops, you can take several preventative [...] maintain healthier crops. Aphid control videos Take a look at the video or go to our Youtube channel to see our aphid control products in action. More [...] form a single, very large group of insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids discussed here all belong to the

Potato aphid

in the crop. The adult potato aphid is a large, slender aphid with long, green cornicles, long legs, and a long cauda. Adults are usually green, but may [...] Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess [...] but is these days distributed throughout the world. It is a highly polyphagous species with a preference for Solanaceae (particularly potato), but has also

Pollination checklist tomato

setting takes place once a flower has been pollinated. The flower needs to have been pollinated before it closes. Depending on the conditions, a flower [...] flower (bite marks) turn brown within one to four hours and make it possible to check the bumblebees' work. A single visit results in the transfer of enough [...] days. Introduce a new bumblebee hive once the number of bite marks has dropped to just one or two per flower. Pollen is released best at a relative humidity