• Encarsia formosa

  reduce the reliance on chemical pesticides. Life cycle and appearance of Encarsia formosa The development of E. formosa consists of six stages: the egg, [...] in colour. The pupa of E. formosa is unique among the species of Encarsia , in that it is formed immediately beneath and in contact with the whitefly pupal [...] then consumed from the inside out by the developing larvae. The larvae feed on the internal tissues of the host, leading to its death and thereby contributing

• Fall Armyworm

  symptoms The developing larvae eat different parts of the host plant, depending on the crop, the stage of crop development, and the age of the larvae. On [...] ). Life cycle of the Fall Armyworm Adult moths are 20 to 25 mm long and have a wingspan of 32-38 mm. They are nocturnal and most active during the warm [...] distinct white inverted Y-shaped mark on the front of the head and four large spots on the upper surface of the last segment. Pupae are reddish brown and

• Tomato looper

  three pairs of prolegs, instead of the normal five and therefore the caterpillar moves with the same looping motion as an inchworm (geometrid). The cocoon is [...] their marketability. Life cycle and appearance of Tomato looper The tomato looper or golden twin-spot moth ( Chrysodeixis chalcites ) is predominantly brown-gold [...] white marks on the forewing that sometimes overlap each other. The hindwings are brown. The body is brown and hairy and, when at rest, the hairy dorsal plume

• Orius insidiosus

  predators, capable of piercing and feeding on the soft bodies of their prey. The predatory bug Orius insidiosus is used for the control of the following pests: [...] such as whiteflies , aphids , small caterpillars , and mites . It also feeds on pollen. The prey is pierced with the mouthparts and the body contents are [...] All stages of thrips are preyed on. Adult females can eat about 20 Western flower thrips ( Frankliniella occidentalis) per day. Life cycle of Orius insidiosus

• Japanese beetle

  common symptom of feeding by the adult. The beetles generally feed from the upper surface of leaves, chewing out the tissue between the veins and leaving [...] vitality and yield and sometimes kills the plants. Life cycle and appearance of Japanese beetle Newly-laid eggs of the Japanese beetle are about 1.5 mm long [...] first, gradually becoming tan and finally taking on the metallic green of the adult. The adult is an attractive, broadly oval beetle, 8-11 mm long, and about

• Southern European marshland pyralid

  caterpillars often stay in the lower strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow into soft [...] line on the forewing. The end of the remarkably long abdomen bends upward almost vertically, with the abdomen of males often being longer than that of females [...] surface of the body there are pairs of dark dots. The dark head is also conspicuous, as are the four dark dots behind the head capsule. There are 4 pairs

• Brown soft scale

  cover the leaves, flowers and fruit of the host and reduce photosynthesis and respiration. Life cycle and appearance of Brown soft scale The scale of the [...] darkens as the female ages. The size, shape and characteristics of the female also vary with different host plants. The middle of the scale is always darker [...] Damage symptoms The scales produce enormous quantities of honeydew. This is usually the first visible symptom. Because of this, C. hesperidum is often attended

• Chafers

  General The chafers are beetles of the Scarabaeidae family. The larvae of both species live in the soil and feed on the roots of many plants. They are [...] There, secondary damage is often caused by birds and small mammals digging for the grubs to eat them. Life cycle and appearance of Chafers Adult Amphimallon [...] mate. During the night the females move to the ground to lay their eggs. Eggs are shiny and white. The eggs hatch after about four weeks and the larvae start

• Corn earworm

  green ears of corn. The larvae feed on the hairs of the young corn and on the young kernels at the tip of the cob. During the third instar, the larvae turn [...] which makes it necessary to open the crop to detect the pest. Life cycle and appearance of the corn earworm The eggs of corn earworm are a milky-white colour [...] since the cold reduces or halts their development. Damage symptoms The female lays small quantities of eggs, between one and three, in the hairs of green

• Better insights and digital advice with Natutec Scout

  major advantage of the Koppert app is the ability of the consultant to check up on things remotely – for Lema Tomaten, that’s the job of Koppert employee [...] Barry explains, ‘The map of our greenhouses, which is programmed into the app, allows us to see where an infestation is and how it is evolving. It also [...] soon as the level of infestation exceeds the threshold, it’s a signal to the grower that he needs to take action. This is how Barry Enthoven of Lema Tomaten