Macadamia nut borer

in their lifetime. The eggs hatch between 7-12 days and the young larvae bore their way into the young fruit. The larvae are cream to grey in colour with [...] hardening is caused by the larvae which bore into the fruit. In small nuts the entire kernel is eaten, whereas in large fruit, part of the kernel may remain [...] larvae then feed on the inside of the husk. Damaged nuts are shed by the tree. Appearance and life cycle of Macadamia nut borer The eggs are laid singly

Cotton bollworm

General The cotton bollworm ( Helicoverpa armigera ) occurs in the tropics and sub-tropics of all continents except for North America. Larvae of the cotton [...] long. The first instars are the most mobile, and move like loopers. The caterpillars are often aggressive and cannibalistic. Pupation occurs in the soil [...] about 40 mm. The grey-green males are smaller. The forewings are edged with a line of black spots, and the hindwings in both sexes are cream with a dark

Cotton aphid

including the cucumber mosaic virus. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s [...] skin, betraying their presence in the crop. The cotton aphid can be distinguished from other aphids by the colour of the two cornicles (siphunculi). These [...] as chrysanthemum and kalanchoe. The cotton aphid ( Aphis gossypii ) is distributed throughout the world but prefers the warmer regions. It has been a pest

Better insights and digital advice with Natutec Scout

contact with the Koppert consultant using the Natutec Scout app as a tool. It allows us to take the measures we need to take quickly, based on the advice provided [...] in the software reporting these kinds of measurement. The threshold value works as an alarm bell – as soon as the level of infestation exceeds the threshold [...] insight into the level of infestation.’ Respond quickly and accurately on IPM A major advantage of the Koppert app is the ability of the consultant to

Soybean looper

emerges. The pupal period is completed in seven to nine days, until the emergence of the adults. As the days pass, the pupa become darker. The standard [...] Damage and symptoms The feeding habit of this caterpillar is ascending: in other words, it feeds from the bottom of the plant to the top. The smaller caterpillars [...] rest, the wings of the moth form an angle of approximately 90 degrees. It has a wingspan of approximately 28 mm. The base of the wing is lighter. The lifespan

Tomato russet mite

and affected leaves dry out quickly. The damage is first seen on the lower part of the plant and moves upwards as the mites ascend. Life cycle and appearance [...] 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 [...] belongs to the family Eriophyidae. It does not produce galls but lives freely (vagrant) on tomato plants. Aculops lycopersici was detected for the first time

Garden chafer

grasses and clover. The adults feed on the leaves of trees like oak, hazelnut and birch and on the flowers and developing fruits of, for instance, roses and [...] just above the soil surface are very characteristic for the garden chafer ( Phyllopertha horticola ). These flights are carried out by the males, who mate [...] legs, of which the middle and hind pairs are approximately the same length. Pupation takes place around March or April. The pupae are cream-coloured to light

Banana moth

example, the bark is flaccid to the touch and can be dented with the finger in the affected area. In cacti, yuccas and dracaena, for example, the stems may be [...] eat into the phloem and woody tissues and leave the bark standing. Because the flow of sap is interrupted, the plant begins to wilt. In yucca, for example [...] ornamental crops the larvae are found mainly in the stalks, and sometimes in leaves and cotyledons. The presence of yellow white dust left in the openings of

Addit

Preparation Prepare the spray solution of the plant protection product according to the user instructions Shake the Addit container well Add the correct amount [...] onto the plant surface. When added to Mycotal , this will increase the chance that spores of the entomopathogenic fungus come in contact with the target [...] amount of Addit to the spray solution Mix thoroughly Application Apply the plant protection product according to the user instruction of that product. Dosage

Diamond back moth

and active. Except for the first instar, which mines in the leaf tissue, the larvae are voracious surface feeders. The pupae of the diamond back moth (Plutella [...] antennae. The hindwings are narrow, pointed toward the apex. The tips of the wings appear to turn upward slightly when viewed from the side. In males, the upper [...] females, the upper two-thirds of the forewings are light ochreous and the markings are like those of the males. The back is marked with a broad cream or light