• Large blackberry aphid

  siphunculi. The cauda is short and triangular. The aphids overwinter as eggs on blackberry plants. After emerging in spring, the aphids mainly feed on the underside [...] host specific the host plant is the simplest method to distinguish these two species. The large blackberry aphid is widely distributed in Europe and also [...] shed white skin, betraying their presence in the crop. Wingless females of the large blackberry aphid are 2.6-4.1 mm long, pale to yellowish green with long

• Oleander scale

  Scale infestation can be seen by the appearance of the scale armour on stems, leaves and fruits of hosts. Infestations on the leaves and stems may cause wilting [...] mm. The newly hatched crawlers are roughly 0.3 mm long. They quickly attach themselves to the plant and form a scale. Colonies mainly form on the underside [...] General Aspidiotus nerii , the oleander scale or white scale belongs to the Coccoidea and has an almost worldwide distribution. Host plants include olive

• Hemp russet mite

  Damage is caused by the mites sucking out the contents of plant cells. Hemp russet mite develops on the stems and petioles of the hemp plant and can cause [...] appears to be divided into two parts: the head with the mouthparts, and the rest of the body. All mobile stages have only two pairs of legs, whereas other mite [...] four pairs. The hemp russet mite has four life stages: egg, two nymphal stages and adult. The nymphal stages are sometimes also called larva (1st stage) and

• 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 [...] 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 [...] General The rose aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage

• Mycotal in Salad Crops

  July 5, 2019

  occur in the late afternoon and evening, as the ambient temperature falls. Do not spray in direct sunlight, and always add the adjuvant Addit (1.25 ml/l) [...] hyphae that penetrate the insect’s epicuticle before entering the inner tissues, where it rapidly proliferates, causing death of the target pest. Salad crop [...] Akanthomyces muscarius Ve6 Make the most of Mycotal in your salad crop IPM strategy Mycotal is a spore formulation of the insect pathogenic fungus Lecanicillium

• Boisduval scale

  approximately 1.2-2.2 mm in diameter and circular or oval. The cast skins of the nymph form a light yellow spot near the centre of the scale called the exuvium [...] this scale tends to prefer the leaf midrib and the portion of the petiole that is covered by the sheath. Small infestations on orchids cause extensive di [...] appearance and damage symptoms. Here, the Boisduval scale is described in more detail, as it is the most important one. The Boisduval scale, Diaspis boisduvalii

• Mottled arum aphid

  along the midline, and a large horseshoe-shaped spot on the back of the abdomen. These black markings can be highly variable. Adult females are 1.2-2.6 [...] sexual stage in the life cycle. Wingless females of the mottled arum aphid are shiny whitish, yellowish or green with black cross bands behind the head, broken [...] greatly reduce plant vigour and kill the plant through sucking of plant sap. However, also at lower densities the aphids can damage plants because they

• Lurem-TR

  of the kairomone. Application Hang the dispenser next to the sticky trap Place the sticky trap and dispenser just above (max. 30 cm) the top of the plants [...] containing the kairomone. Numbers per package Each package contains 20 dispensers. Preparation Twist the top of the dispenser to activate the release of [...] Lurem-TR increases the attraction of thrips to blue and yellow sticky traps and thus ensures earlier discovery of the pest. Pests Several thrips species

• Rhyzobug

  Rhyzobug Brochure Application Apply Rhyzobug in the evening. Open the cap and tap the beetles directly on the plants. Be aware that adults may not fly away [...] can be stored for 1-2 days. Storage temperature 10-15°C/50-59°F. Storage conditions In the dark. Recommended for you The journey of sustainable citrus farming [...] after release. Dosage The dosage of Rhyzobug depends on climate, crop and armoured scale density and should always be adjusted to the particular situation

• Cactus mealybug

  their name from the fact that the body of the females from the third nymphal instar onwards are covered with a white waxy material in the form of powder [...] greenhouse-grown succulents around the world as it was probably distributed by the trade in ornamental plants. Damage symptoms The cactus mealybug usually infests [...] flowers. Depending on the host plant species, infestations with cactus mealybug cause discoloration of the plants and later necrosis of the tissue. Plant de