• Lyprauta

  their wings. The eggs of Lyprauta sp. are greyish-black and spherical. Larvae of Lyprauta sp. are a transparent greyish white and have a long slender body [...] reddish. The pupae are white to yellow and embedded in a dense web. Adult flies are long and slender and have a dark brown head with short antennae. The [...] is brownish-yellow and the abdomen brown with yellow stripes. The wings are transparent light brown with clearly visible veins and spots. The keroplatid

• Vine mealybug

  elongated oval shape and has no wings. The body is covered with a fine waxy material and have 18 pairs of wax rods round the edge of the body, and two slightly [...] growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis and therefore [...] 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

• Cannabis aphid

  from Colorado in 2016 and is now widespread throughout that state and Oregon. Its range also includes several other states and parts of Canada. The cannabis [...] aphids , and affected plants are damaged by the loss of this vital fluid. The following damage symptoms may be observed when plants are infested with Phorodon [...] mottle virus and alfalfa mosaic virus. Life cycle and appearance of the Cannabis aphid Adult cannabis aphids are between 1.8–2.7 mm long. They are normally

• Grapevine powdery mildew

  mechanical damage and stress Weakened shoot growth affecting canopy structure and fruit support Flower and cluster symptoms Infection of flowers and young clusters [...] flowers, and grape clusters, causing yield losses, reduced fruit quality, and increased risk of bunch rot. Powdery mildew thrives under warm and humid c [...] season. Early detection and preventive, integrated management are critical for effective control strategies. Signs and damage symptoms of Grapevine powdery mildew

• Western flower thrips

  prepupa, pupa, and finally the adult insect. The eggs of the western flower thrips (Frankliniella occidentalis) are laid in leaves, flower petals and in the soft [...] soft parts of stalks. They are inserted into the plant tissue with a saw-like ovipositor. Larvae are nearly transparent white or yellowish to orange-yellow [...] more developed wing buds and longer antennae that are curved back over the head. The prepupal and pupal instars do not feed and only move if disturbed.

• American serpentine leaf miner

  usually in the upper side of the leaf. Egg spots are oval and hard to distinguish from feeding spots. The larvae of Liriomyza trifolii are entirely ochre-yellow [...] premature leaf-fall and cosmetic damage. In tropical and subtropical areas this can lead to burning in fruit such as tomato and melon. Loss of leaves also reduces [...] although except with ornamental crops, this is usually of less significance. Seedlings and young plants can be completely destroyed as a result of the direct

• Whitepaper new Myzus persicae genotype

  reported to be different in terms of biology and behaviour. The R&D Macrobials department validated several of these claims and have found that the new genotype [...] places to feed and reproduce. Due to limited chemical control options and the incredibly fast reproduction of this aphid genotype, growers are in direct need [...] loss of sensitivity to such chemicals is expected to occur in only a few years, especially now that only few chemical products are available and therefore

• Spidex

  urticae ) and other Tetranychus spp., except Tetranychus evansi . Mode of action Predatory mites use their piercing mouthparts to extract the contents of their [...] 100 ml bottle with dosage-plug; 500 ml bottle. Carrier Wood chips. Application Turn and shake the bottle gently before use Push the centre of the cap to open [...] applied with Natutec Airobreez , Natutec Mini-Airbug , Natutec Airbug or Natutec Airobug Dosage The dosage of Spidex depends on climate, crop and spider

• Fall Armyworm

  appearance). 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 [...] eggs in clusters of 150-200 and can lay up to 2000 eggs in a lifetime. Eggs are white, pinkish or light green and spherical, and are usually laid on the [...] 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 measure 13 to 17 mm in length

• Predatory Mites Whitepaper

  1). How to read: N. californicus is most effective between 15°C and 32.5°C. It still has some effect between 12.5°C and 15°C, and between 32.5°C and 35°C [...] development of pests and beneficials depending on the temperature and humidity ranges and extremes. Temperture (ºC) Fig. 1. Typical relationship of temperature [...] pressure, these species are the best option. • N. californicus can prey on thrips but prey consumption and reproduction are low on a diet of thrips only. It should