• Gooseberry

  South and Southeast Asia. The gooseberry is also sparsely habituated in various location in North America. The rambling gooseberry bush grows up to 1,5 metres

• Pine processionary moth

  arranged in pairs. The integument and hairs that clothe the body vary considerably with different provenances. In general, the integument is darker in colder [...] bluish-grey to black. Pupation takes place in the soil in an oval, ochreous-white silken cocoon. The pupae are about 20 mm in length, oval, and of a pale brown [...] beetles or other wood-boring insects. In mature forests, trees are rarely killed but significant losses occur in volume growth. Defoliation damage and

• Aphidoletes aphidimyza

  is available in bottle ( Aphidend ). Open the bottle in the greenhouse Place the bottle directly on the soil or rockwool slabs or hang it in-between the [...] for its effectiveness in biological pest control , specifically targeting aphids . This beneficial insect is widely employed in integrated pest management [...] management (IPM) programs to suppress aphid populations in various agricultural and horticultural settings. The predatory gall midge Aphidoletes aphidimyza is

• Municipality Enschede: Entonem nematodes against oak processionary caterpillar

  The Municipality of Enschede started using nematodes for the first time in the spring of 2021 to try to halt the spread of the oak processionary caterpillar [...] caterpillar . The municipality’s built-up area has a total of 22,000 oak trees. In the past, the municipality only extracted the nests. But as Petra Klein Breukink [...] for the Municipality of Enschede. ‘We use Koppert’s nematode product Entonem in locations where we find a range of unusual butterflies and moths. As we only

• Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

  biodiversity in the centre, and public opinion is quite sensitive to spraying here. We worked in consultation with distributor Mertens and decided that in spring [...] There are many oak trees in the forests and plantations around Doetinchem. Marc van Rijswijk is the spokesman for Buha, the implementing organization for [...] management. Buha manages some 9000 solitary oak trees withing this municipality. In 2020 the level of infestation with the oak processionary caterpillar within

• Horse-chestnut leaf miner

  horse-chestnut leaf miner overwinters in the pupal stage in a cocoon in dead leaves. The emergence of adults in spring occurs in April and May, depending on climatic [...] European horse-chestnut in Greece, Albania and Macedonia. It was first observed attacking ornamental horse-chestnut trees in Macedonia in the 1970s, from where [...] larvae mine in horse chestnut leaves go to four (occasionally five instars) and their size varies form 0.5 mm in the firsts instar up to 3.5 mm in the fourth

• May beetle

  very similar in terms of their external appearance. In short, the adults have a reddish-brown colour and grow to approximately 10 to 25 cm in size, depending [...] deposition of eggs in the ground, close to plant roots. The larvae eat throughout the summer and migrate deep into the soil in autumn. In cold climates they [...] aggressive. In early spring they either start feeding again or when the larvae are fully grown a kind of earthern cell is created in the ground in which they

• Yellow rose aphid

  white skin, betraying their presence in the crop. The yellow rose aphid is holocyclic in North America (i.e. they mate in autumn and produce eggs to overwinter) [...] generally found only on cultivated roses and strawberries, in glasshouses in northern Europe or outdoors in warmer climates. Wingless yellow rose aphids have a [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized

• How to protect bumblebees from heat

  bumblebees in regulating their climate in hot weather conditions. Bumblebee hives with a sustainable future Plant pollinator interaction in hot temperatures [...] temperatures We understand the vital role that bumblebees play in pollination , especially in hot temperature conditions. As temperatures rise, it is crucial [...] keep cool in hot summer conditions to be able to function optimally and carry out their valuable pollination work. Best practice for pollination in hot te

• Macrolophus pygmaeus

  to damage. In tomato there may be fruit deformations during setting, and in gerbera, misshapen flowers may appear. The use of this bug in gerbera is therefore [...] mites. This beneficial insect has been widely employed in integrated pest management (IPM) programs in tomato. Macrolophus pygmaeus adults are small, slender [...] caterpillars , as well as the larvae of leaf miners . When the bug is present in a crop in large numbers, it can contribute substantially to the control of these