Predatory mites

pests, so knowing the target pest is crucial. Scouting is essential to know where the pest is, how severe the infestation is and to identify the pest. Select [...] using a blower for dispersion is an available option. This approach proves particularly effective when a swift response is required due to a pest invading [...] and thrips . Predatory mites are an essential component of integrated pest management (IPM) strategies as they offer an sustainable alternative to chemical

Cabbage leafroller

appearance of Cabbage leafroller An adult female is 12 mm long and is ochre-yellow with darker markings. The male is slightly smaller and slimmer, more [...] General The cabbage leafroller (Clepsis spectrana) is native to North-West Europe. It is a highly polyphagous species causing damage to field grown cabbage [...] kalanchoë, but particularly gerbera. In chrysanthemum too, this species is an increasing problem, and it has caused problems in sweet pepper since the

Shallot aphid

siphunculi are short an swollen towards the apex. The shallot aphid does not alternate to another host plant for overwintering and there is no sexual stage [...] General The shallot aphid, Myzus ascalonicus , is extremely polyphagous. It feeds on crops such as onions, shallots, strawberries, lettuce, brassicas and [...] and potatoes and many ornamentals . The shallot aphid is cosmopolitan and widely spread in Europe. Damage symptoms Feeding of shallot aphid on strawberries

Bacterial spot

development is favoured by temperatures between 24 and 30 °C and high precipitation due to rain, fog or overhead irrigation. Infection is through stomata [...] General Xanthomonas vesicatoria is a bacterium that causes bacterial leaf spot on peppers and tomatoes. Damage symptoms Xanthomonas vesicatoria in tomato [...] conditions, the spots may merge with lesions on the petioles and stems and form long dark streaks. On fruits, first small black specks are seen on green fruits

Circular scale

point which is sometimes pale. When the scale is lifted, the insect beneath is yellow and up to 1.7 mm long. The adult male is 0.7 mm long and has a single [...] General The circular scale, Chrysomphalus aonidum is a tropical species, native to the Oriental region but it has been dispersed widely in tropical and [...] of leaves, premature leaf and fruit drop, and stem dieback. First signs of an infestation are dark-purple to reddish-brown or black spots with paler margins

Aphidius matricariae

wasp Aphidius matricariae Aphidius matricariae is a parasitic wasp belonging to the family Braconidae and is widely recognized for its role in biological [...] aphids . This small wasp is a valuable natural enemy in both agricultural and horticultural settings. Aphidius matricariae is used for the control of the [...] enemy Aphidius matricariae is available at Koppert as Aphipar-M . Aphidius matricariae products Aphipar-M Expand all items How to use Aphidius matricariae

Anthurium

anthurium is a flowering, perennial plant and has beautiful, long lasting flowers that come in a variety of colours. However, the ‘flower’ is actually an altered [...] recognized by its uniform colours and heart-shaped spathes. In many markets, red is the most popular colour. Other types include the obake anthuriums which are

Wheat

Levant region that lies east of the Mediterranean. The wheat plant is an annual plant which is sown either in spring or autumn. The plant flowers from about [...] about the end of May to the beginning of June. This flowering period is rather long (usually lasting longer than a week), because not all flowers of one single [...] About Wheat ( Triticum spp., most commonly T. aestivum ) is a cereal grain, but botanically a particular type of fruit referred to as caryopsis. Wheat

Treatment of bumblebee stings and allergies

stinger, as is the case with honeybees and wasps. Drones cannot sting. The stinger is a weapon for defence. When a bee stings, some venom is injected into [...] may lead to an allergic reaction, also called a general allergic reaction, a systemic allergic reaction, or an anaphylactic reaction. Because an allergic [...] involves antibodies formed during a previous exposure to an antigen, it is not possible to have an allergic reaction after the first sting. Allergic reactions

European red mite

Panonychus ulmi , is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack a large scale of other woody plants and is occasionally [...] when these coalesce the leaves loose colour; this is often referred to as bronzing. When infestation is heavy, leaves can drop. Life cycle and appearance [...] bottom, with a thin stalk on top. They look a bit like an onion. Adult females are about 0.4 mm long, brick red, and oval shaped with white hairs on their