• Aphidius ervi

  colemani or Aphidius matricariae . However, if Myzus spp. is their host, they will be of the same size. The parasitization behaviour resembles Aphidius colemani [...] aphids due to disturbance by parasitoids can be very high. A parasitised aphid will turn into a leathery, golden brown mummy.

• Treatment of bumblebee stings and allergies

  blocked airways. At the hospital, the patient will be given corticosteroids (such as prednisone) and will be kept for observation. Allergic reaction In [...] Living with a bumblebee allergy If you have had an allergic reaction once, you will not necessarily have an allergic reaction to the next sting. If you had a [...] possible to take a test using purified bumblebee venom to determine whether you will have an allergic reaction the next time you are stung. It is also possible

• Important message with regards to the upcoming holidays!

  November 26, 2020

  December 28th for delivery in week 1 (week of Jan. 4th, 2021) Our office will be closed: December 24 to 25th, 2020 and January 1st, 2021 Deliveries via [...] from November 1st to December 31st, 2020. In addition, courier companies will be closed on December 25th and 28th. If delivery to your destination normally

• Spider Mite Predators; Choosing the Best Biological For Your Situation

  July 24, 2024

  crops. Why? Certain biocontrol’s (i.e., Phytoseiulus persimilis - Spidex) will only prey on Tetranychus sp . Note: Other spider mite species found in Canada [...] predatory mites that prey on, and can reproduce on, a host of pests. They will prey on spider mites , but do not have a strong preference for them. This [...] persimilis ), Spical ( Neoseiulus californicus ) or a combination of the two will be the best for your situation. Spidex is a type 1 specialized predatory

• Harnessing the Power of Parasitic Wasps

  March 21, 2024

  These tiny insects will scatter their eggs all over the plant, causing extensive and multifaceted damage to the crop. Some of the damage will be just like other [...] characteristics, necessitating different control strategies. In this article, we will focus on the strategies for managing these whiteflies in greenhouse vege [...] promoting the growth of sooty mold (a black powdery fungus). Sooty mold will cover leaves, reducing photosynthesis and causing fruit & flowers to be discarded

• Tobacco whitefly

  developmental stages can be found together. When shaking infested plants, adults will first fly, then return to the underside of the leaves. The adult tobacco [...] is encouraged, making it unsuitable for sale. In serious cases the fruit will rot. Sooty moulds also develop on the leaves, reducing photosynthesis and

• Navigating the Whitefly Battle

  March 6, 2024

  needed to break the life cycle and reduce pest pressure. In this article, we will dive deeper into the realm of whiteflies unveiling the most effective beneficial [...] with weekly or bi-weekly applications until 80% parasitism. Important: you will find the first whitefly on the sticky cards weeks or months before you find [...] greenhouse cucumber crops. Irregular Ripening – From nymphal feeding, Bemisia will cause a physiological disorder in plants. The fruits appear normal on the

• Microflora PRO

  early in its life. Bacteria colonize roots as they grow, therefore effects will be more pronounced if it is present as early in the crop’s life as possible

• Chrysoperla carnea

  The prey can sometimes be larger than the larva itself. On average a larva will consume 300-400 aphids of various sizes during its development, although [...] biological control. They feed exclusively on pollen, nectar and honeydew and most will fly out of the greenhouse. Life cycle of Chrysoperla carnea You can recognize

• Spidex Vital lives up to its promises

  he says, the summer is yet to come. ‘Later on in the season, air humidity will fall. Although spider mites prefer a drier greenhouse climate, predatory [...] Vital , and their spider mite control becomes more robust. Tim concludes, ‘We will explain the added value of the new product to the market in very clear terms