Potato aphid

stripe running along the dorsal surface. In green individuals, this stripe is dark green, while in pink specimens it is dark red. This longitudinal stripe [...] occurs 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 [...] get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp

Amblydromalus limonicus

Amblydromalus limonicus is a species of predatory mite known for its role in biological pest control . Amblydromalus limonicus is a natural enemy of various [...] fluids from leaves, which is useful for instance in sweet pepper crops as the predatory mite can establish in the crop before the pest appears. Amblydromalus [...] (less than 24 hours old, white in colour) are a much better prey than older whitefly eggs (more than 24 hours old, brown in colour). At 25°C under optimal

Onion

however, the plant is mostly handled as an annual and harvested at the end of its first production season. Onions are popular and therefore cultivated and used [...] cooking all around the world. Their flesh is pungent when chopped, because it contains particular chemical elements that irritate the eyes.

Treatment of bumblebee stings and allergies

Bumblebees are found in the natural environment in many countries. In addition, bumblebees and honeybees are used as pollinators in agricultural and ho [...] barbs. When a honeybee tries to withdraw its stinger, it tears loose from the abdomen, taking the venom gland with it. How to prevent bumblebee stings? Bumblebees [...] generally it starts after some hours. The swelling or itching may last for hours or even days. In some cases, the local reaction may spread somewhat; in this

Japanese beetle

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 control actions [...] originates from north-eastern 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 [...] Protection Organization (EPPO). To prevent its further spread in Europe, occurrences outside the known area in Italy need to be reported to the National

Soybean

indigenous to East Asia. It is extensively cultivated for its edible beans. The fruit of the plant is a hairy pod, that grows clustered in small bunches of three [...] inch) and contains two or four seeds that measure 5-11 mm in diameter. Soybean seeds vary greatly in size and the hull can be black or brown, but also blue

Poultry Red Mite

production operations, it is directly responsible for hundreds of millions of dollars in egg industry losses every year. Despite its common names, Dermanyssus [...] as comb and wattle pallor; and death, in extreme cases. Life cycle and appearance of Poultry red mite Belied by its name again, the poultry red mite is only [...] day in cracks and crevices, nests, cribs and roosts, egg conveyor belts, cardboard boxes and transportation cages. They can occasionally be found in clusters

Potato

refer to the plant itself or its edible tuber. The plant is an herbaceous perennial and came to Europe from Latin America in the second half of the 16th [...] world’s food supply and many people’s diet. In terms of volume, potato is the fourth-largest food crop in the world, after maize, wheat and rice. Potato [...] Potato plants grow up to some 60 cm tall. Its leaves die after flowering, fruiting and the development of the potatoes. The plant’s flowers vary from white

Cannabis aphid

North America. It was first seen on cuttings originating from Colorado in 2016 and is now widespread throughout that state and Oregon. Its range also includes [...] General Although it was first described in 1860, the cannabis aphid ( Phorodon cannabis ; a.k.a. bhang aphid or hemp aphid) is a very new pest to North [...] 7 mm long. They are normally wingless but a winged form appears in late summer. Early in the season, the aphids are nearly colourless to pale yellow, and

Apple

apple tree belongs to the rose family and is now cultivated for its fruit all over the world. It is the most common cultivated species of the genus Malus .