• Cabbage leafroller

  light in colour. The ventral surface is lighter than the dorsal, with hairs located in warty spots that are lighter than the general body colour. In general [...] rest, the wings are held folded almost horizontally over the body. The antennae are thin and of medium length. The moths fly when it is dark. The yellow [...] y gerbera. In chrysanthemum too, this species is an increasing problem, and it has caused problems in sweet pepper since the mid 1980’s. In protected soft

• Tomato leaf miner

  roughly one hour the larva crawls out of the leaf and falls to the ground. This occurs in the early morning. The larva crawls into the ground to pupate [...] Asia. In warmer regions, the insect is found outdoors but in temperate regions it only occurs in greenhouses. The tomato leaf miner has been found in greenhouses [...] mines, leaving the outer layers of the leaf and stalk intact. Shortly before pupating, the grown larva cuts a sickle-shaped exit hole in the leaf with its

• Codling moth

  spring. Larvae still in the apples at harvest can often be found in cracks in apple boxes or other places in the store. [...] It is very common in Europe. Damage symptoms After invading the fruit, the larvae first form a small cavity just under the skin. The entry hole can be seen [...] days. The first instar larvae burrow into the fruitlets, often through the calyx. Larger fruits are usually entered through the side or near the stalk

• Cranberry

  cranberry or bearberry. The cranberry is indigenous to specific parts of North America, namely the central and eastern part of Canada and the northeastern and [...] and north-central areas of the United States. This cranberry is also found in certain regions along the Pacific Coast of North America and parts of Europe [...] cranberry belongs to the subgenus Oxycoccus and genus Vaccinium . This species of cranberry qualifies as a shrub and usually grows on the ground surface first

• Tobacco aphid

  on the abdomen and several transverse black bands across the body. The antennae are 0.7-1.0 times the body length, reaching to the siphunculi. The body [...] crops in both the United States and South America. The tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered in a range of crops in greenhouses [...] of dispersing through the crop by walking. The tobacco aphid tends to form denser colonies, closer to the top of the plant, than the peach potato aphid

• Black vine weevil

  instars. Once the temperature rises, the larvae become active again. The full-grown larvae pupate in spring in the soil. The depth where the pupae can be [...] or 7 larval instars, a pupal instar and the adult beetle. In temperate climates in the Northern hemisphere, the first adult weevils appear around May. They [...] October. The larvae that hatch have a white, translucent to pinkish body and a reddish brown head. These larvae live in the root zone in the soil where they

• Potato aphid

  early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low protein content [...] quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds [...] characteristic of the potato aphid and is particularly visible in the nymphs. Immatures have a light dusting of whitish-grey wax. The aphids instantly fall

• Chrysopa

  as soon as the first pests are detected in the crop. Introduction rates typically range from 2-20 per m 2 /release. Releases should be made in infested areas [...] difficult to find. Chrysoperla carnea is active mainly during the night. The larvae hide during the day. Pack size 1,000; 10,000 larvae. Presentation 500 ml [...] Application Shake the bottle or bucket gently before use Apply on infested leaves For hotspot treatments, apply Chrysopa directly in the heavily affected

• Chrysanthemum

  Asteraceae. The plant is originally from Asia and northeastern Europe and the majority of the different species derive from East Asia. Especially in China a [...] About The chrysanthemum ( Chrysanthemum spp. ), also called mum or chrysanth, is a flowering plant that belongs to the genus Chrysanthemum of the family [...] propagation and production. The current, commercially cultivated chrysanthemums are more striking than the wild varieties. The flower heads can look like

• Chrysoperla carnea

  sheltering under the plant or the rim of the pot, during daylight hours. The larvae grasp their prey from below and lift them in their jaws. The prey is injected [...] but sometimes appear in groups when the population density is particularly high. The development of the pupa is visible externally. The outer cocoon is 8 [...] effective predators. The green lacewing Chrysoperla carnea is used for the control of the following pests: Aphids Thrips Mealybugs Caterpillars The natural enemy