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 [...] Macrosiphum rosae Rose aphid General The rose aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely [...] dark in colour. The siphunculi are black and bent outwards. The rose aphid usually overwinters on rose bushes in the egg stage, although in mild winter some

Loose smut of barley

and the infected seeds are the primary source of inoculum in the next crop. The fungus survives inside the seed and when the seed germinates, the mycelium [...] within a day and infect the inner tissues of the newly infected seed. During maturation of the seed, the mycelium becomes thick-walled and swollen as a dormant [...] mycelium of the fungus grows upwards inside the plant into the growing tip and the seed primordia. It only becomes visible after head emergence. The teliospores

Impatiens thrips

cause damage to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue to die. The resulting [...] able to spread as a consequence of the trade in foliage plants. Impatiens thrips (Echinothrips americanus) has a wide range of hosts. In addition to many [...] silver-grey patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll

Macrocheles robustulus

(59°F). How to use Macrocheles robustulus The predatory mite Macrocheles robustulus is available in a cylinder ( Macro-Mite ). Turn and shake the cardboard cylinder [...] mites pierce their prey and suck out the contents. Macrocheles robustulus is a generalist predator. In addition to soil-dwelling thrips stages, it also [...] has to be moist, rich in organic matter and have a loose structure. The minimum temperature for successful use of Macrocheles robustulus is 15°C (59°F)

Pherodis Fruit Fly Attractant

Attractant is ready to use Fill the Drososan trap with 200 ml of the luring substance Refill when the luring substance has evaporated or is saturated with [...] action Flies are attracted by the luring substance and enter the trap. Once inside, they cannot escape and drown in the luring substance. Presentation [...] with flies Dosage For the number of traps to be used see instructions for Drososan . Combined use Use in combination with Drososan traps. Storage time

Buckthorn-potato aphid

Buckthorn-potato aphid General The buckthorn- potato aphid , Aphis nasturtii , has a nearly cosmopolitan distribution and is a major pest of potatoes, where [...] their presence in the crop. Wingless females of the buckthorn- potato aphid are 1.1-2.4 mm long and bright pale green to yellowish green. The antenna are relatively [...] barely exceed half the body length. The aphids overwinter as eggs on buckthorn. After emerging in spring, the aphids mainly feed on the underside of leaves

Sweet pepper

pepper About The sweet pepper, also referred to as bell pepper or just pepper, is part of a specific group of cultivars that belongs to the species Capsicum [...] even dark purple and brown. The sweet pepper is a very rich source of vitamin C and antioxidants. The level of carotene is even nine times higher in red [...] These different cultivars of the sweet pepper plant bear fruit in different colours ranging from vanilla/white and yellow to orange, green and red and even

Apple rosy aphid

plantaginea Apple rosy aphid General The rosy apple aphid, Dysaphis plantaginea , is a serious apple pest. It is widespread in Europe and also occurs in [...] presence in the crop. Adult viviparous (wingless) females of the rosy apple aphid are 2.1-2.6 mm long and pink to dark bluish grey, with a powdering of [...] and on the base of buds of apple trees. The eggs hatch in spring and at first the aphids attack buds, spur leaves and rosette leaves. Later the infestation

Tomato

proceed to tunnel through the leaf tissue, creating distinctive mines that can severely damage the foliage. As a result, the plant's ability to photosynthesize [...] Aulacorthum solani ) and the Potato aphid ( Macrosiphum euphorbiae ). To a lesser extent also the Green peach aphid ( Myzus persicae ) and the Cotton aphid ( Aphis [...] damage. The tomato leafminer ( Tuta absoluta ) is an increasing problem worldwide, it is devouring tomato foliage and inflicting significant harm to the entire

Garden chafer

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 at laying [...] chafer General The garden chafer ( Phyllopertha horticola ) is a beetle from the Scarabaeidae family. It does most of its damage in the larval stage when [...] Garden chafer The life cycle of the garden chafer ( Phyllopertha horticola ) has the following stages: egg, 3 larval instars, a pupal instar and the adult beetle