Tomato leaf miner

millimetres long. When the adult females feed or lay eggs, they bore a hole using their toothed ovipositor, usually in the upper side of the leaf. Egg spots are [...] appearance of Tomato leaf miner The life cycle of a leaf miner has the following stages: egg, three larval instars, a pupal instar and the adult fly. Adult leaf [...] bryoniae are transparent white, older larvae have a yellow head. When the larva hatches from the egg, it begins to eat into the leaf at once, tunnelling

Swirski-Mite

swirskii is most effective at temperatures between 20 and 32°C (68 and 90°F). It is not effective at temperatures below 18°C/64°F. Amblyseius swirskii is sensitive [...] Pests Young larvae of various thrips species and eggs and larvae of whitefly . Crops Do not use in tomato. Mode of action Predatory mites pierce their [...] per m2/release. Releases should be repeated if necessary. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best

Powdery mildew

General Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe, Podosphaera, Oïdium, Leveillula. Damage [...] epidemics and spore dispersal by rain is negligible, since spores explode when in contact with water for no more than a few hours. Powdery mildew spores, either [...] cultivar how soon after infection this happens. In apple, pear, outdoor grown rose and other Rosaceae , the fungus causing powdery mildew is extremely

Pollination checklist outdoor

the same crops. Position a bumblebee hive at least 100 metres away from a honeybee hive, out of the sight of the honeybees. This is necessary because the [...] the hive is kept dry. Keep the hive entrance visible for humans and bumblebees during the flowering period. For instance, position the hive on a crate or [...] or on a stack of stones. Flowering weeds may be visited by bumblebees in addition to the target crop. You should therefore mow or cut down any flowering

Greenhouse whitefly

whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This contains a high proportion of sugar, and the excess is excreted [...] es: If the population is very large, feeding on plant sap can affect the physiology of the plant, as a result of which growth is retarded. In full sunlight [...] leaf. The fourth larva stadium develops into a white, oval case encircled by a ring of erect waxy rods. This is called the pupa stadium and these pupae are

Neoseiulus californicus

contents. When feeding on Two-spotted spider mite (Tetranychus urticae) , Neoseiulus californicus shows a preference for immature stages (eggs, larvae and [...] spider mite webbing. When spider mites are present it will preferentially feed on them and the population development is much faster on a diet of spider mites [...] 90°F) and is sensitive to relative humidity below 60%. Neoseiulus californicus in bottles The predatory mite Neoseiulus californicus is available in a bottle

Cutworms

from these instars is usually observed as a cutting of young seedlings, often causing death of the cut seedlings. Sometimes wilting is observed because of [...] forewings with a faint kidney-shaped marking and a red spot. They have broad hindwings, evenly light or dark grey or orange-yellow with a broad dark marginal [...] marginal stripe. The wingspan is about 40-55 mm and the dorsal thorax is covered with close-lying hairs. The eggs are white at first but rapidly turn darker

Green peach aphid

peach tree, is native, however it is now a pest with a world-wide distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly [...] aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is asexual, the young [...] immediately start to feed on plant sap and grow rapidly. When reproduction is sexual, the aphids lay eggs that overwinter. In greenhouses reproduction also takes

Chrysopa-E

conditions Chrysoperla carnea is effective in a wide temperature range including low temperatures (average > 12°C/54°F). It is most effective at 20-28°C (68-82°F) [...] butterfly and moth eggs. Mode of action Larvae of the lacewing attack their prey and suck their body fluids. Visual effect Prey is sucked out, shrivelled [...] Pack size 100,000 eggs. Presentation 90 ml cardboard tube. Carrier None. Application Apply evenly on leaves Avoid clusters of eggs Can be applied with

Swirski-Mite Plus

swirskii is most effective at temperatures between 20 and 32°C (68 and 90°F). It is not effective at temperatures below 18°C (64°F). A. swirskii is sensitive [...] Release should be repeated after 4 weeks if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice [...] Pests Young larvae of various thrips species and eggs and larvae of whitefly . Crops Do not use in tomato. Mode of action Predatory mites multiply in the