• Plant Pollinator interactions in high temperatures

  dried-up flower petals to see if bruising is visible (figure 5 - first picture on the right). About 18-20 flowers per hectare must be checked per variety. Covering [...] right-hand side in figure 5 has very light bruising and should be classified as a Score 1 in the outlined scorecard. Figure 5: Bumblebee bite marks on [...] Consultancy Yielding Solutions and Remco Huvermann, Koppert Whitepaper version 2.0, June 30, 2020 1 Plant - pollinator interactions in high temperatures This

• Thrips Identification Guide

  plants. Developmental time at 25°C is 15 days. Females live about 20 days and lay 2-5 eggs per day. Feeding causes 'silvering' on leaves along with leaf [...] Pupation occurs in the substrate. Long developmental time of about 5 weeks at 20°C. Feeding damage on leaves and fruits. In anthurium, colonised flowering [...] veins, pupates in the substrate. Females produce 70-100 eggs in total, about 2-5 per day. Developmental time at 25°C is 13 days (measured on cucumber). Both

• Anso-Mite Plus

  droplet-shaped mites. Eggs are oblong and transparent white. Adults are about 0.5 mm in size. Predatory mites are usually found on the lower surface of the leaves [...] effective at temperatures above 14°C/57°F. Optimum temperatures are between 20 and 28°C (68 and 82°F). A. andersoni is sensitive to relative humidity below

• Citrus mealybug

  and appearance of Citrus mealybug Adult females of Planococcus citri are 2.5 - 4 mm long and 2 - 3 mm in breadth. Seen dorsally, they have an oval form; [...] slightly longer ‘tail filaments’ . The tail filaments are always shorter than 20% of body length. They produce little wax, so that the light yellow to pink

• Amblyseius andersoni

  under optimal conditions, an adult female Amblyseius andersoni consumes 4-5 first instar larvae of Western Flower Thrips ( Frankliniella occidentalis ) [...] droplet-shaped mites. Eggs are oblong and transparent white. Adults are about 0.5 mm in size. Predatory mites are usually found on the lower surface of the leaves [...] effective at temperatures above 14°C/57°F. Optimum temperatures are between 20 and 28°C (68 and 82°F). Amblyseius andersoni is sensitive to relative humidity

• The Importance of Quality at Koppert

  December 3, 2019

  egg-laying performance for Phytoseiulus persimilis is 10 eggs per female every 5 days, our Spidex mites average significantly more,” Saskia explains. “The 10 [...] Control (IOBC) of which Koppert is a member. The IOBC standard was set almost 20 years ago, but our mites now perform far better, so we can maintain a higher

• Manual Wireless Beehome

  Switching on the transmitter signal 12 Receiver 12 5 Operating the Wireless BeeHome system 5.1 Transmitter 13 13 Controlling the transmitter with [...] address/frequency (see 5.1). Two neighbouring growers must therefore use different digital addresses/frequencies for both the transmitters (see 5.1). When placing [...] ly check every 5 minutes whether there is a signal from the transmitter. After transmitting the ‘open or close’ command, it can take 5 to 10 minutes before

• Chrysoperla carnea

  including low temperatures (average > 12°C/54°F). It is most effective at 20-28°C (68-82°F). Feeding behaviour of Chrysoperla carnea Lacewing larvae search [...] more closely spun cocoon is off-white and egg-shaped, about 3 mm long and 2.5 mm thick. The space between the inner and outer cocoon is filled with fine

• Thrips

  are predators, and fewer than 20 species can cause problems in agriculture and horticulture. Thrips are small insects (0.5-14 mm), with the largest species [...] species found in the tropics. In temperate regions they are not larger than 2.5 mm. All thrips species that cause damage in green-houses belong to the family

• Diglyphus isaea

  times at weekly intervals or until control is achieved. At low temperatures (<20°C/68°F) it might be better to use Minusa. Consult a Koppert advisor or a [...] pupa is green with red eyes subsequently turning black, and measuring about 1.5 mm. Adult stage: The appearance of the adult is already clearly visible. Pupae