• Western flower thrips

  with a large head and bright red eyes. Adult females are very variable in colour. They range from almost white through yellowish orange to almost black. [...] western flower thrips (Frankliniella occidentalis) is the most important vector for both tomato spotted wilt virus (TSWV) and impatiens necrotic spot virus (INSV)

• American serpentine leaf miner

  between these ‘plate mines’ and normal mines, making it an unreliable criterion for the identification of the species. Indirect damage arises when disease causing [...] instar and the adult fly. Adult leaf miners are small yellow and black coloured flies , at most only several millimetres long. When the adult females feed

• Tomato leaf miner

  occurs in greenhouses. The tomato leaf miner has been found in greenhouses for decades, but has become a common pest since the 1960’s, particularly in sweet [...] instar and the adult fly. Adult leaf miners are small yellow and black coloured flies , at most only several millimetres long. When the adult females feed

• Treatment of bumblebee stings and allergies

  itching may last for hours or even days. In some cases, the local reaction may spread somewhat; in this case it usually takes longer for the symptoms to [...] Information for doctors Detailed information regarding medical treatment of allergic reactions is available from Koppert on request. For further information [...] education resource only and should not be used for diagnosing or treating a health problem as it is not a substitute for medical care. If you have or suspect you

• Caterpillar control in greenhouse crops

  June 20, 2019

  are mostly shades of brown and grey, whilst the hindwings can be highly coloured. Important species include tomato looper ( Chysodexis chalcites ) and silver [...] the moth or butterfly emerges from the pupa. Pheromone traps are available for monitoring adults of several species. Installing a range of different traps [...] Controlling weeds is also important, as these can act as alternative hosts for caterpillars . Important species include charlock, creeping thistle, dandelion

• Fit roots for plant health Technical bulletin 2020 EN

  nutrition for the rhizobiome. Healthy roots that can provide water whenever needed for optimum leaf temperature regulation are the basis for maximum stomata [...] vital that there are sufficient opportunities for both the solution and air, to refresh their composition. For instance, oxygen (O2) must be able to move [...] between 6.0 - 6.5 is the best range for most crops. 4 Figure 2: A pH level between 6.0 - 6.5 is the best range for most crops. 5 Plant roots can a

• Pine processionary moth

  The pupae are about 20 mm in length, oval, and of a pale brownish-yellow colour that later changes to dark reddish-brown The life cycle of T. pityocampa [...] in late winter and early spring. The caterpillars move in a file searching for a suitable site to tunnel underground and pupate in the soil. Pupation takes

• Southern European marshland pyralid

  cinerea . In gerbera, the flower buds may also be eaten. It has even been known for the caterpillars to inflict damage to the roots of crops cultivated in an [...] The full-grown caterpillars are 20 to 30 mm long and have a creamy white colour. Along the dorsal surface of the body there are pairs of dark dots. The

• SWD

  May 8, 2019

  and will last for several seasons. The flat base to the trap design aids stability during inspection and re-filling. Their red colouring makes them very [...] in the year. Early detection of SWD also ensures that there is ample time for control measures to be put in place, before egg-laying commences as the crops [...] very attractive to the pest and the mesh openings are large enough for the fruit fly but will keep out unwanted by-catch of larger insects such as bees and

• Caterpillars

  solutions for caterpillars, professional growers can protect their crops effectively and sustainably, ensuring consistent quality and yield. Solutions for caterpillar [...] affects yield and quality. Effective caterpillar control is therefore essential for maintaining healthy and productive crops. Biological control of caterpillars [...] the butterfly species that are active during the day can be strikingly colourful while moth flying at night are usually inconspicuously brownish are greyish