Codling moth

developing embryo is visible as a red ring. The larvae are up to 20 mm long, initially whitish and later pale pinkish white, with a brown head and a pale anal [...] core and eats a large proportion of the flesh, leaving behind brown frass. The entry point is then greatly enlarged as the tissue beneath is eaten away. [...] moth ( Cydia pomonella ) is a notorious, worldwide pest of apple and also occasionally of pear, quince, peach and other fruits. It is very common in Europe

Nutemia

When density of the target pest is low and there is no alternative food available in the crop Nutemia can be provided as alternative food source for predatory [...] carrier material may cause leaf damage, so make sure the material is distributed as a thin, even layer Dosage The dosage of Nutemia depends on climate, [...] predatory mites . This will ensure a standing army of predatory mites in the crop, keeping the target pest on a low level. Pack size 150 gram (10 million)

Tobacco aphid

matt, never glossy. Winged individuals have a brown-black head and thorax and a reddish abdomen. There is a dark brown spot on the abdomen and several [...] East and is a key pest of tobacco crops in both the United States and South America. The tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered [...] 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 the infestation

Beetles

species, Coleoptera is the largest of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in [...] stored products. There are many useful beetles as well. For instance, ladybirds contribute to the control of aphids . Beetles undergo a complete metamorphosis [...] food as the adults. The pupae do not make a cocoon and will already display many similarities with the adults. The adult beetles usually possess a pair

Fusarium wilt

General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species [...] mycelium. Survival is also possible on seed, greenhouse structures, tools and machinery. Primary infection is either seed-borne or takes place as infection of [...] pathogenic on a limited number of crops. Even within one crop, different formae speciales may occur and cause different symptoms. Fusarium oxysporum is the only

Cabbage moth

brassicae) is a highly polyphagous defoliator. Besides being a major cabbage pest, it feeds on 70 plants of 22 families, among them crops such as sweet pepper [...] tomato, strawberry, lettuce, beetroot, onion, rhubarb as well as chrysanthemum and carnation. It is a species found in Europe, North Africa (Libya, Canary [...] becoming steadily darker until they are a brown-black or sometimes even a purple colour. They are ridged and have a light network of markings. First instar

Spidex Boost

crop. Release should be repeated weekly if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice [...] does not contain a rearing system which produces several generations of predatory mites over time. The mites will leave the sachets within a few days. Dosage [...] adjusted to the particular situation. Start introduction preventively or as soon as the first spider mites are detected in the crop. Use at least 4,000 sachets

Mottled arum aphid

aphid, Neomyzus circumflexus , has a cosmopolitan distribution and a wide host range. In temperate climates it is primarily a pest in greenhouses where it attacks [...] arum aphid is entirely by parthenogenesis, with unfertilized viviparous females continuously producing new generations of females. There is no sexual stage [...] leaves can reduce photosynthesis and also result in an unattractive plant with a much lower market value. Neomyzus circumflexus can also transmit plant viruses

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 [...] cutting the stems of young plants. This is where their common name comes from. Cutworms are vey polyphagous and have a wide host range. Damage symptoms Early

Tomato looper

body is sparsely covered with a few stiff hairs. In older caterpillars , each segment has a clear black dot above the lateral yellow lines. There are three [...] family of Noctuidae . It is a tropical and subtropical species originating in the Mediterranean and northern Africa. The larva is highly polyphagous and [...] and is now one of the most frequently found pest species in greenhouses. Damage symptoms The tomato looper (Chrysodeixis chalcites) is primarily a foliage