• Greenhouse whitefly

  roses, gerbera and poinsettia. Damage symptoms The larvae of whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This [...] feeding on plant sap can affect the physiology of the plant, as a result of which growth is retarded. In full sunlight, leaves can wilt and fall. Such leaf [...] whiteflies cause to a crop is the result of sucking out the sap from the plant leaves and secreting honeydew. This can have the following consequences: If the

• Feltiella acarisuga

  their crops and identifying the presence of eggs, larvae, pupae, and adults of Feltiella acarisuga , growers can gauge the effectiveness of this biocontrol [...] acarisuga is a good control agent. The adults are not predatory and only need water and sugar. Life cycle of Feltiella acarisuga Growers can distinguish [...] diameter of spider mite eggs and almost banana shaped. Larval Stage : The colour of the larva is usually orange but can vary according to the colour of prey

• Bacterial wilt, brown rot

  is a plant pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range of potential [...] wilts. Life cycle and appearance of Bacterial wilt, brown rot Ralstonia solanacearum is a quarantine organism in Europe and considered a bioterrorist organism [...] Damage symptoms In potato, field symptoms of Ralstonia solanacearum are wilting and yellowing of leaves and stunted plants. Inside, vascular browning is

• Lesser house fly

  different species of fly, including the lesser house fly , the latrine fly and a whole host of other manure-breeding flies . Fannia species can be found worldwide [...] tolerate a wide range of moisture levels and are adapted to stay near the surface of near-liquid waste. Depending on temperatures and environmental conditions [...] carry the viruses that cause Newcastle disease and hog cholera, protozoan parasites such as Cryptosporidium and Toxoplasma , and bacteria such as Salmonella

• Damping-off

  roots rot and very little of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium [...] stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Damping-off Pythium belongs to the Oomycetes, a separate group [...] considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress, caused for example

• How to protect bumblebees from heat

  on the shade of the crop can keep the temperatures inside the hive lower. Shading Providing effective shading to the top and the sides of the hive or providing [...] their energy levels, and limit their ability to transfer pollen effectively. These challenges can lead to reduced pollination rates and lower crop yields [...] temperature and sun radiation on the internal hive temperature can be great. We advise growers to protect the hive from direct sunlight and to place it in a cool

• Thripex-V

  Carrier Vermiculite and a fraction of bran. Application Turn and shake the bottle or bucket gently before use Bottle: Push the centre of the cap to open the [...] conditions Neoseiulus cucumeris is most effective at temperatures between 15 and 25°C (59 and 77°F). It is not effective at temperatures above 30°C/86°F. Neoseiulus [...] larvae of various thrips species. Crops Do not use in tomato. Mode of action Predatory mites use their piercing mouthparts to extract the contents of their

• Tomato russet mite

  on the lower part of the plant and moves upwards as the mites ascend. Life cycle and appearance of tomato russet mite All life stages of the tomato russet [...] in Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant family Solanaceae may be affected to a lesser extent [...] Damage symptoms Damage is caused by the mites sucking out the contents of plant cells. Affected leaves are slightly curled and acquire a silvery sheen on the

• Entomite-M

  Eggs, larvae and pupae of sciarid flies ; thrips pupae. Mode of action The predatory mites feed on larvae of sciarid flies , thrips pupae and other soil-dwelling [...] insects. The mites appear in and on the soil and at the base of plant stems. The reduction of the infestation level occurs at a slow but steady rate. Pack [...] Amblyseius swirskii , Neoseiulus cucumeris ) and/or Orius spp. Precautions Application of this product can cause sensitization or allergic reactions, we therefore

• Diglyphus isaea

  isaea is most effective at temperatures between 15°C and 25°C (59 and 77°F). Behaviour of the parasitic wasp Diglyphus isaea Diglyphus isaea is a parasitoid [...] as a result of which the leaf miner larva dies. A few days after being parasitized, the leaf miner larva turns flaccid and brown. Older larvae of D. isaea [...] nectar and honeydew. Life cycle and appearance of Diglyphus isaea Because Diglyphus isaea is an ectoparasite, all instars (egg, larva, pupa and adult)