Northern Corn Rootworm

yellowish green in colour. They appear in late July and remain in corn fields until first frost. Females lay their tiny, white eggs in the soil at the [...] sp.) are a devastating pest of cultivated corn in North America, with losses and management expenditures totaling over 1 billion dollars. In Eastern Canada [...] Canada, the northern corn rootworm is the most common species found on corn. While adult Diabrotica barberi can feed on a variety of plants, their larvae

Western flower thrips

s) is currently the most damaging thrips species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be found on a wide [...] many vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially significant pest in cucumber, sweet pepper, eggplants, and [...] occidentalis) are laid in leaves, flower petals and in the soft parts of stalks. They are inserted into the plant tissue with a saw-like ovipositor. Larvae

Adalia bipunctata

known as the two-spot ladybird or the two-spotted ladybug, is a species of a predatory beetle. As a natural enemy of aphids , Adalia bipunctata contributes [...] designed for the control of aphids in trees. How to use Adalia bipunctata The predatory beetle Adalia bipunctata is available in a cotton bag ( Aphidalia ). Open [...] control aphid populations and prevent crop damage. Adalia bipunctat a is often employed in integrated pest management (IPM) strategies, offering an eco-friendly

Municipality Enschede: Entonem nematodes against oak processionary caterpillar

nematode product Entonem in locations where we find a range of unusual butterflies and moths. As we only do this at an early stage, there is no secondary effect [...] the first time in the spring of 2021 to try to halt the spread of the oak processionary caterpillar. The municipality’s built-up area has a total of 22,000 [...] 000 oak trees. In the past, the municipality only extracted the nests. But as Petra Klein Breukink explains, it was not enough. She is the project manager

Spidex Vital lives up to its promises

shall see.’ A more robust system Based on his initial experiences, Sjaak van Dijk is pleased with Spidex Vital. ‘It’s a good sign if you have a predatory [...] old crop is always cleared away, I start from scratch each time and have to build up the necessary populations three times. This is always a critical and [...] the population develops more rapidly.’ A sense of calm on the farm The increased effectiveness of Spidex Vital is a major advantage for Sjaak van Dijk. ‘As

European corn borer

larvae pupate in situ in the galleries or in the soil. Fully grown larvae overwinter inside their tunnels in stubble, stalks and maize ears, or in wild plants [...] nubilali s), is a severe pest of maize and has also been reported to attack apple, strawberries, peppers and other plants. It is present in Europe, North [...] with a pale centre at the base of the hairs. The head is brown to brownish black. The pupae are up to 2 cm long and light to dark reddish brown. In Europe

Click beetles

light brown with a darker head. Larval development takes 4 to 5 years. When fully grown the larvae pupate in the soil in summer. The adults appear about 4 [...] the plants to wilt and die. Damage is more severe in young plants. Life cycle and appearance of Click beetles Adult Agriotis sp. are 6-10 mm long and yellowish [...] yellowish brown to black. The eggs are laid in May or June in groups in the soil. They hatch about one month later and the larvae start to feed on roots

Eretmocerus eremicus

death and contributing to a decline in whitefly populations. Eretmocerus eremicus is particularly noted for its adaptability in varying environmental conditions [...] eremicus Eretmocerus eremicus is a small parasitic wasp belonging to the family Aphelinidae . This beneficial insect is used as an important biological [...] s eremicus is still active at temperatures above 30°C/86°F. Behaviour of the parasitic wasp Eretmocerus eremicus Eretmocerus eremicus is a highly effective

Cotton aphid

early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low protein [...] with both winged and wingless forms of adults and a great variety in colour. In greenhouses reproduction takes place by parthenogenesis, with unfertilized [...] cotton aphid ( Aphis gossypii ) is distributed throughout the world but prefers the warmer regions. It has been a pest in European greenhouses since the

Cryptobug

None. Application Deploy Cryptobug on rock wool slabs or in Diboxes close to or at a hotspot Apply in the evening Dosage The dosage of Cryptobug depends on [...] 2 /release. Releases should be made in infested areas only and repeated if necessary. Consult a Koppert advisor or a recognized distributor of Koppert products [...] Mode of action Adults and larvae consume the mealybugs completely. Visual effect Mealybugs are consumed entirely. Pack size 500 adults. Presentation Cardboard