• Fall Armyworm

  sufficient for them to move from seasonally dry habitats to wet habitats in Central America. This makes it possible for fall armyworms to spread over large [...] ) are 30-40 mm long. They have six instars that vary in colour from light tan to green to black. They have a distinct white inverted Y-shaped mark on the [...] the leaves, stems and reproductive parts of more than 100 plant species causing major damage to cultivated grasses, such as maize, rice, sorghum and sugarcane

• Lesser house fly

  different pathogens from contaminated breeding sites to healthy animals over large distances. Fannia flies have been confirmed to carry the viruses that [...] remain in flight as they wait to be visited by an unmated female. Female flies are less active and tend to remain close to breeding sites, where they deposit [...] other manure-breeding flies . Fannia species can be found worldwide, from the arctic to the temperate neotropics, and they typically reproduce in feces, compost

• Green peach aphid

  can transmit at least 100 different viruses and is thus rightfully feared by many growers. Nymphs and adults extract nutrients from the plant and disturb [...] sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the [...] tomato, cucumber and many other greenhouse crops. The aphid may originate from Asia, where its winter-hardy host plant, the peach tree, is native, however

• Tarnished plant bug

  plant bug) is native to North America, and it is especially common across the eastern half of the continent, from northern Canada to southern Mexico. It [...] species, known to feed on almost all commercial crops. Lygus lineolaris boasts at least 385 different host species, the majority of which belong to the plant [...] injecting enzyme-filled saliva to break down the plant tissue and sucking out the contents. The following symptoms begin to appear a few weeks after feeding

• Root rot of carrot

  the disease forms circular to irregular spots on the leaves that vary in colour from grey to almost black. The spots appear to be sharply defined, but under [...] temperatures ranging from -3°C to 25°C, with an optimum around 18°C. Lesions are dark brown to black, moist, mostly circular spots 0.5 -1.2 cm diameter that [...] leaf will die off. The fungus appears to prefer older tissue. In the field, the disease is difficult to distinguish from both Cercospora and Alternaria dauci

• Protected vegetables

  attract pollen, allowing them to transport it from flower to flower. Unlike honeybees, bumblebees possess the ability to perform "buzz pollination." By [...] understanding how to control them. Go to pest overview Biological pest control in vegetable crops Vegetable cultivation faces numerous challenges, including [...] natural approach to pest management. Instead of resorting to chemical solutions, biocontrol leverages the power of living organisms to control and mitigate

• Rice root aphid

  plant and they give birth to live offspring instead of laying eggs. Damage symptoms Because they suck the plant’s vital sap from the roots, plants infested [...] olive-green, with a round body 1.4–2.4 mm long. It lives and feeds on the roots of the host plant. The winged form is about 1.8 mm long, darker than the wingless [...] with a brown-black head. Aphids in the winged stage will emerge from the soil and fly away to colonize other plants. Rhopalosiphum rufiabdominale have entirely

• Diglyphus isaea

  more) next to it. In general, the wasp selects late second and third instar larvae to parasitize. An egg has an elongated shape, measuring 0.3 x 0.1 mm, and [...] adjusted to the particular situation. Start introduction as soon as the first mines are visible in the crop. Introduction rates typically range from 0.25-3 [...] internal tissues. As they develop, the larvae consume the leafminer from within, leading to its death. This feeding behavior is highly effective in reducing

• Trial results Onion fly and Fusarium wilt

  Compilation of results from 5 trials from Germany and Spain. 0 Trianum-G Trianum-P Grower Standard Compilation of results from 8 trials from Germany, Netherlands [...] compared to untreated control) against onion fly damage Capirel efficacy (% reduction compared to untreated control) against onion fly damage 100 80 75 [...] 2021 For more information: www.Uireka.nl When to apply Trianum-P Trianum-G Capirel Scan this QR-code to know more about Biological Crop Protection “The

• Sciarid flies

  minute (0.1 to 0.25 mm) and yellowish white in colour. They are laid on the ground surface close to plant roots. The larvae can grow to 5 to 12 mm in length [...] constitute the family of Sciaridae. The species that cause most damage to crops belong to the genera Bradysia and Lycoriella . Lycoriella species are mainly [...] transferring fungal diseases, such as Fusarium, Botrytis and Verticillium, from diseased to healthy plants. Direct damage is the immediate result of larvae feeding