Japanese beetle

foliage at the top of a plant and working downwards. The larvae are most abundant in well-kept lawns and golf courses, and less often in pastures. The grub [...] ern Asia. It was first observed in the US more than 100 years ago. Although not a pest in Japan, extensive turf, and a lack of natural enemies, allowed [...] to rapidly build up and spread steadily in the US. In Europe, Popillia japonica was for the first time reported in northern Italy in 2014 where official

Lyprauta

yellow and embedded in a dense web. Adult flies are long and slender and have a dark brown head with short antennae. The thorax is brownish-yellow and the [...] trinidadensis and Lyprauta chacoensis (family Keroplatidae) have been associated with root damage in potted orchids, especially in greenhouses in the Netherlands [...] eggs of Lyprauta sp. are greyish-black and spherical. Larvae of Lyprauta sp. are a transparent greyish white and have a long slender body. The head is brown

Spotted Wing Drosophila

its invasion in 2008/2009, the spotted wing drosophila, which is originally from Asia, has spread extensively in North and South America and Europe where [...] wing drosophila Adult spotted-wing drosophila are small, 2-3 mm in lengthg, and have a wingspan of 6-8 mm. Males are smaller than females. They can be easily [...] three larval instars and in the third instar the larvae are about 3.9 mm long. The pupae of Drosophila suzukii are tan-brown and 3 mm long. Contrary to

Greenhouse whitefly

gerbera and poinsettia. Find solutions for whitefly in your crop Damage symptoms The larvae of whitefly need a lot of protein for growth, and thus consume [...] physiology of the plant, as a result of which growth is retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development [...] development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth of sooty

Beetles

largest of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or stored products. [...] aphids . Beetles undergo a complete metamorphosis, that is, the larvae do not resemble the adult at all, and must pass through a pupal instar before reaching [...] stage. Larvae have biting mouthparts and mostly feed on the same food as the adults. The pupae do not make a cocoon and will already display many similarities

House fly

Houseflies are a well-known pest of farm and home. Believed to have originated in central Asia, the insect expanded its range worldwide long ago as a commensal [...] always found in association with human activity. As the most common species of fly found on livestock farms, they represent both a nuisance and a risk for [...] buildings, they are considered a serious pest because: They can form flying swarms inside barns and hen houses, making them a particularly annoying deterrent

Cabbage looper

only a damaging pest in crucifers, their favourite host, it can also be found in crops such as tomato, pepper, some cucurbits, soybean, sesame and cotton [...] have a voracious appetite and can daily consume up to three times their body weight. Plants can be severely defoliated and stunted. Life cycle and appearance [...] green colour and then change to a coffee brown colour when close to adult emergence. Finally, the adult has a mottled grayish-brown colour with a silvery figure

Black bean aphid

with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] fabae , is widespread in temperate regions, where it is a serious economic pest of beans. It is highly polyphagous, and attacks a wide range of other crops [...] early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low protein

Long-tailed mealybug

auxiliary buds and prefers a warm, humid environment. Damage symptoms Mealybugs inflict damage on the crop in various ways: Nymphs and females extract [...] growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis and therefore [...] therefore the 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,

Rose aphid

cycle and appearance of Rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses [...] aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage symptoms Infestations [...] is dark in colour. The siphunculi are black and bent outwards. The rose aphid usually overwinters on rose bushes in the egg stage, although in mild winter