• Vine mealybug

  pupa and adult. The eggs are golden-yellow in color and are deposited in an cottony egg sac (ovisac) containing from 300-500 eggs. The nymphs are very [...] inflict damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves [...] secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are also fouled, rendering them unfit for sale, and the reduced

• Shore fly

  Shore fly The life cycle of the shore fly ( Scatella tenuicosta ) has the following stages: egg, three larval instars, a pupa and the adult fly. The eggs are [...] cylindrical. The larvae are found in the top layer of damp soil, where they also pupate. The adult shore fly is black, about 4 to 5 mm long, and stout with [...] are laid singly and are bean-shaped. A first instar larva is translucent white. Second instar larvae are brownish, less translucent and their body is

• Beneficial nematodes

  insect larvae. They are commonly used in greenhouse and nursery pest management and are becoming more and more popular in orchards and outdoor vegetable crops [...] immobile and eventually dies due to the bacterial infection. Feeding and reproduction: The nematodes feed on the multiplying bacteria and absorb the nutrients [...] infection) in the host insect. Bacterial infection: The bacteria secret toxins and antimicrobial compounds that kill the host insect within a few days. The host

• Hemp russet mite

  observe. They are elongated (torpedo-shaped), soft and segmented. The body appears to be divided into two parts: the head with the mouthparts, and the rest of [...] nymphal stages and adult. The nymphal stages are sometimes also called larva (1st stage) and nymph (2nd stage). The eggs are approximately 0.05 mm in diameter [...] 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 stunting

• Streptorid FP FPL

  dispose of it in the same manner as required for the bag. Limitations of Use and Warranty The Directions for Use of this product reflect the opinion of experts [...] on field use and tests. The directions are believed to be reliable and must be followed carefully. Koppert® warrants that at the time of the first sale of [...] additional precautionary statements and directions for use in booklet. FIRST AID If in eyes • Hold eye open and rinse slowly and gently with water for 15-20

• Impatiens thrips

  specifically on the leaves. Eggs are deposited in the leaf tissue, while subsequent stages are found on the upper- and undersides of the leaf. Pupation occurs [...] occurs on the leaf rather than on the ground. The prepupae and pupae remain immobile on the leaf tissue. Adults are found on both upper- and undersides [...] between the segments, and the dark wings are white at the base. This colouration distinguishes the species from most other thrips species commonly found in g

• Tobacco whitefly

  called pupa, in which the red eyes and white wings of the adult are already clearly visible. These pupae are found on the oldest leaves. The adult emerges [...] tobacco in Greece in 1889, hence the name tabaci . It has subsequently been found in most tropical and subtropical countries of the world. The original [...] influence the development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth

• Red palm weevil

  that holds the antennae and tiny mandibles. The size and colour of adult weevils greatly varies. Most individuals in the Mediterranean area are about 30 [...] individually into soft tissues mainly at the base of living fronds. Larvae are present and feed in the softest and most humid living tissues (growth areas) [...] depending on the number and size of black marks. Eggs are creamy white, shiny and oblong. Larvae are creamy white, legless, pyriform with a brown head and body

• Long-tailed mealybug

  least the length of the body itself. The length of the other filaments is roughly half the width of the body. The female is 3 - 4 mm long. Reproduction in [...] inflict damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing [...] secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are also fouled, rendering them unfit for sale, and the reduced

• How beneficial nematodes control onion fly

  seedlings, resulting in production losses early in the cultivation process. The larval stage is the most dangerous stage for the plants, as the larvae feed e [...] challenge is the Delia antiqua , female onion flies lay their eggs near the base of onion plants. Hatching from the eggs, the larvae crawl behind the leaf sheaths [...] sheaths to enter the bulbs, where they feed and cause internal damage. This damage compromises the quality and yield of the harvest. If left uncontrolled