Cabbage moth

hiding in the crop during the day. Several days after emerging from their pupae the female moths lay clusters of 20 to 100 eggs on the underside of leaves [...] The eggs are initially light and translucent, becoming steadily darker until they are a brown-black or sometimes even a purple colour. They are ridged and [...] (Mamestra brassicae) has grey-brown to black forewings, with a kidney-shaped white-rimmed marking in the middle. The hindwings are light brown with a rather i

Fall Armyworm

night, and are attracted to lights, especially those with a strong ultra-violet component. Life cycle of the Fall Armyworm Adult moths are 20 to 25 mm long [...] sufficient for them to move from seasonally dry habitats to wet habitats in Central America. This makes it possible for fall armyworms to spread over large [...] the last segment. Pupae are reddish brown and measure 13 to 17 mm in length. The eggs hatch after 3-5 days. Over the next 2 to 3 weeks, the larvae pass

Bacterial wilt, brown rot

potato, it is tuber-borne. Spread from plant to plant results from bacteria moving from the roots of infected plants to neighbouring plants. The bacteria [...] ornamentals) from warmer regions. Different races are distinguished with a differing, but overlapping host-range. Race 3 is pretty much restricted to potato [...] and when the stem is cut, bacterial slime oozes from the wound. This is the way to distinguish it from Verticillium or Fusarium wilts. Solution Finder

Caterpillars

150,000 species, that are easily distinguishable from other insects. Many of the butterfly species that are active during the day can be strikingly colourful [...] r’ refers to the fact that the caterpillars often live in rolled-up leaves. Although some species are restricted to a single crop, most are polyphagous [...] at the video or go to our Youtube channel to see our caterpillar control products in action. More caterpillar control videos How to get rid of caterpillars

Feltiella acarisuga

larvae also eat spider mites that are in diapause and can consume 15 adult spider mites or up to 50 mite eggs per day. They are aggressive and adapt the amount [...] ( Tetranychus kanzawai ) and many others. The natural enemy Feltiella acarisuga is available at Koppert as Spidend . How to use Feltiella acarisuga The [...] adjusted to the situation. Start introduction as soon as the first spider mites are detected in the crop. Introduction rates typically range from 0.25-25

Atheta

equal, 1:1 females to males. Eggs hatch in 3-4 days to begin their larval stages. Larvae resemble adult form, and their pupal chambers are constructed out [...] for up to 7 days. Typically, one application at the beginning of the growing cycle, and a small re-application at each transplant is sufficient to enable [...] prey population density. Appearance Atheta coriaria are typically light to dark-brown – in many cases almost black – in color. The adult beetle can be

Lesser house fly

remain in flight as they wait to be visited by an unmated female. Female flies are less active and tend to remain close to breeding sites, where they deposit [...] can spread many different pathogens from contaminated breeding sites to healthy animals over large distances. Fannia flies have been confirmed to carry the [...] found worldwide, from the arctic to the temperate neotropics, and they typically reproduce in feces, compost and carrion. These flies are often a serious

Caterpillar control with nematodes

nematodes survive on the leaf surface for many hours to several days. Correct application for best results To ensure the best results, spray when: Relative [...] Mirid bugs such as Nesidiocoris tenuis. How nematodes control caterpillars Beneficial nematodes are an effective tool to control caterpillars . After application [...] and storage. Get in contact Nematodes and chemicals Nematodes are quite insensitive to many types of pesticides and can thus be sprayed easily after a pesticide

Grey mould

infected area, new spores are formed within a few days. Under circumstances unfavourable for germination, the spores can survive a few days on the plant surface [...] weakened or damaged plants. How to prevent Grey mould Make sure the crop grows regularly with not too much vegetative growth, in order to maintain a microclimate [...] cinerea ) affects the fruit. In potted plants, the cuttings die due to carry-over infection from infected parent plants. Life cycle and appearance of Grey mould

Rhyzobug FAQ

There are many armoured scales. They are found underneath the leaves and on the stem. Nymphs and adults are small and covered by a scale. They are oval/ [...] What are the optimal temperatures to introduce Rhyzobius lophanthae into the crop? The optimum temperature is around 25°C. From 18°C on they are active [...] oval/ round and vary in colour from white to dark-brown. The scale is not connected to the body. What damage symptoms refer to armoured scales? No honeydew