Circular scale

hatch under the scale and the crawlers walk about to find a suitable feeding site before settling to a sessile lifestyle. The second-instar nymphs are the main [...] General The circular scale, Chrysomphalus aonidum is a tropical species, native to the Oriental region but it has been dispersed widely in tropical and [...] it occurs on many other plants. Damage symptoms Chrysomphalus aonidum has a preference for humid environments. In citrus, it tends to prefer the lower

Adalia bipunctata

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 to [...] bipunctata is available in a cotton bag ( Aphidalia ). Open the bag and attach it to the tree near the first branch with a nail or wire stitch Apply 1 [...] one cotton bag per tree and up to 3 bags for large trees. Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best

Akanthomyces muscarius

Lecanicillium muscarium is frequently applied as a microbial pesticide in agriculture and horticulture, providing a natural and environmentally friendly alternative [...] making it a powerful weapon in an integrated IPM program. Learn more How does Lecanicillium muscarium work? Lecanicillium muscarium controls a variety of [...] of the pests. As a result, Lecanicillium muscarium effectively suppresses populations of whiteflies, aphids, and thrips, providing a natural and envir

Trianum-P improves open field pepper production in Portugal

agricultural practices that respect the environment. ‘Without a doubt it is a product with a lot of potential for pepper cultivation,’ says Pedro Militão [...] consequently, obtaining a higher final production,’ explains Pedro Militão. Sociedade Agrícola Militão highly values the fact that Trianum is a 100% natural product [...] has achieved excellent results in pepper crops for processing in Portugal, a country where this biological fungicide has been registered since 2018 in its

Goat moth

up to 10 cm long, pink when young, later with yellowish sides and a dark red back with a black head. The pupa is 5-6 cm long, dark brown, with spines on [...] General The goat moth ( Cossus cossus ), is a pest of broad-leafed trees. It is most often found in birch, ash, willow and elm but can also attack fruit [...] during the winter months. Pupation usually takes place just beneath the bark in a very strong silken cocoon incorporating chips of wood.

Carnation tortrix

other greenhouse materials. At first, the eggs are a light green colour, later becoming yellow. They have a flattened oval to round shape. Caterpillars have [...] General The carnation tortrix ( Cacoecimorpha pronubana ) is a Mediterranean species belonging to the family of Tortricidae . It occurs in the Middle East [...] at the third larval instar, the whole leaf is attacked and surrounded by a dense silken mass. The larvae hide inside the rolled leaves, growing tips or

Pepper weevil

larva forms a cavity and covers it with its excrement, creating a type of cell, to be used later when it begins its metamorphosis. It develops a shiny white [...] since they throw themselves to the ground and keep still when they detect a threat. Damage symptoms The most significant damage occurs with the loss of [...] damaged. Lifecycle and appearance of the pepper weevil Newly hatched adults have a light brown colour, with an oval body measuring 2 to 3.5 mm in length, and

Barley

vulgare) is a member of the grass family and a self pollinating crop. Barley is used in brewing beer, a popular source of animal fodder and a component in

Tomato russet mite

Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant family Solanaceae may be affected to a lesser extent. Damage [...] The first nymphal stage is a transparent white colour and about 0.1 mm long. They usually develop to the 2nd stage within a day. All life stages look very [...] the contents of plant cells. Affected leaves are slightly curled and acquire a silvery sheen on the underside. Later they become brown and brittle. Badly

Cotton aphid

appearance of Cotton aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses [...] distributed throughout the world but prefers the warmer regions. It has been a pest in European greenhouses since the late 1980’s, particularly affecting [...] extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if