Cyclamen mite

adult mite. They are oval in form, smooth, transparent and twice as long as they are wide. Both ends are equally rounded. The larvae are opaque white and [...] leaves are twisted or curled, distorted, brittle and smaller than usual. In cyclamen, the flowers are damaged and leaf growth is inhibited. In hedera, [...] from direct sunlight. In such spots, they are difficult to observe. Damage occurs in localized patches, because the mite spreads very slowly. Symptoms vary

Tobacco thrips

nations. In Europe, Thrips parvispinus was first detected in Greece in 1998 as a pest on ornamental crops, later appearing in Spain in 2017, France in 2018 [...] hidden. In greenhouses, Thrips parvispinus populations typically start to appear in the spring and peak in the autumn, with minimal presence in the winter [...] Netherlands in 2019, and Germany by the end of 2021. The tobacco thrips also reached Florida in 2020 and has since spread to several other states in the US

Obscure mealybug

instar onwards are covered with a white waxy material in the form of powder, threads, spiky projections or platelets. Eggs are laid in a sticky, foamy [...] yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of protein, mealybugs must [...] instar nymphs are yellow-brown and not yet covered with wax. They are actively mobile and known as ‘crawlers’. Second instar nymphs are darker and less

Cotton bollworm

rapidly, and drop off. In legumes, flowers are attacked, and seed pods may be pierced. Life cycle and appearance of Cotton bollworm Eggs are deposited individually [...] brown. Full grown larvae are 30 to 40 mm long. The first instars are the most mobile, and move like loopers. The caterpillars are often aggressive and c [...] approximately 18 to 19 mm in length and have a wingspan of about 40 mm. The grey-green males are smaller. The forewings are edged with a line of black

Citrus mealybug

many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse horticulture, and in the tropics and sub-tropics [...] especially in fruit trees and ornamental crops, particularly in pot plants such as ficus, palms, schefflera, croton and kalanchoë, but also in roses and [...] yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of protein, mealybugs must

Diamond back moth

diamond back moth (Plutella xylostella) are initially yellow or pale green and later darken. They are deposited singly or in small groups of two or ten eggs on [...] instar, which mines in the leaf tissue, the larvae are voracious surface feeders. The pupae of the diamond back moth (Plutella xylostella) are covered with a [...] often stick to leaves and frequently hide in crevices near the bud. In cauliflower and broccoli, pupation may occur in the florets. Initially, the pupa is

Mediterranean fruit fly

widespread in Africa, the Mediterranean basin and South America. Ceratitis capitata is a highly polyphagous species whose larvae develop in a very wide [...] often surrounded by a sunken and discoloured area. These punctures are often sufficient in high quality produce to make fruit unmarketable. Damage caused by [...] silvery crossbands. The wings are clear with black veins and marked with black spots and brownish yellow patches. The eggs are about 1 mm long and narrowly

Tomato leafminer

place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the leaflets or in the soil [...] absoluta ) are grey-brown with filiform antennae, alternating light or dark segments and recurved labial palps, that are well developed. Black spots are present [...] symptoms of damage done by the tomato leaf miner ( Tuta absoluta) are the blotch-shaped mines in the leaves. Caterpillars prefer leaves and stems, but they may

Amazone Plants continues the path of organic cultivation

plants. In the end, everything more or less turned out fine – the plants in 12 cm pots were sold in 14 cm pots in the summer, and the plants in 14 cm pots [...] spring and in the autumn. Wim van der Meer explains, ‘Koppert is involved in a trial in which we are investigating whether Chrysopa eggs are effective at [...] therefore occur in the greenhouse that only become noticeable once the plants are in the hall. Fantastic results with Swirski-LD The main pests are the Western

Orius laevigatus

They are also cannibalistic. In pollen producing plants, younger Orius nymphs are mainly found on the leaves, whereas older nymphs and adults are mainly [...] predatory bug used in biological pest control of thrips . This beneficial insect has been extensively integrated into pest management strategies in various ag [...] laevigatus is available in a bottle ( Thripor-L ) Shake bottle gently before use Spread material on clean rock wool slabs, leaves and/or in application boxes