Potato aphid

Various vegetable and ornamental crops grown in greenhouses are colonized, including tomato, aubergine and roses. Damage symptoms Nymphs and adults extract [...] making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this honeydew, contaminating fruit and ornamental crops and rendering [...] production. Life cycle and appearance of Potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in

May beetle

similarities between the adults and larvae of this genus, they are usually treated as a single group, sharing similar habits and biology. The larval stages [...] parts of the plant, as the larvae only feed on root hairs and organic material during the first and second instars. When they move to the next stage, the larvae [...] larger plant roots, which later leads to signs of wilting and stunted growth. Lifecycle and appearance of the may beetle The adults belonging to the majority

Cannabis

infections, mold, and other fungal diseases. These diseases can make the plants weaker, slow down their growth, and affect the leaves and buds if you don't [...] predictability, and aligns with consumer preferences for safe, eco-friendly products. Pest monitoring and scouting in cannabis crops Scouting and monitoring [...] proactive approaches involve regular and systematic inspection of crops to identify the presence and severity of pests and diseases. Growers use various techniques

Hemispherical scale

coffeae , occurs widely in tropical regions and in greenhouses throughout the world. It is a severe pest in coffee and citrus. Many ornamental crops can also [...] may attract attendant ants and sooty moulds grow on the sugary deposits. Badly fouled leaves may drop prematurely. Life cycle and appearance of Hemispherical [...] The high, rounded form and smooth surface distinguish the species from most other soft scales. The size depends on the host plant and can vary from 2 to 4

Oak processionary moth

above). Life cycle and appearance of Oak processionary moth The adults have grey forewings with white and darker grey markings and a wingspan of ca. 30 [...] twigs and covered by hairs from the female. The first instar larvae overwinter within the eggs and hatch in mid- or late April. They are nocturnal and feed [...] The common and scientific names of this moth refer to the behaviour of the larvae to form long processions. The moth is native to central and southern Europe

Cutworms

black cutworm Agrotis ipsilon and the turnip moth Agrotis segetum . The larvae of these moths usually feed on roots and plant parts close to the ground [...] seedlings. Third to seventh instars become negatively phototaxic and feed mostly at night and hide in the ground during the day. Damage from these instars [...] because of partial cutting. A larva often cuts one plant and quickly moves on to other plants and continues cutting. Therefore, relatively small populations

Pine processionary moth

volume growth. Defoliation damage and the presence of caterpillars are important on amenity trees in recreational and residential areas The caterpillars [...] definitive appearance and the reddish dorsal urticating hair patches on each body segment appear, arranged in pairs. The integument and hairs that clothe the [...] fourth and fifth instars may be prolonged in the winter. The pupal stage can be prolonged considerably by diapause. A few hours after emergence and mating

Obscure mealybug

the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves, sometimes [...] Fruit and flowers are also fouled, rendering them unfit for sale, and the reduced level of photosynthesis in the leaves also reduces flower and fruit [...] are yellow-brown and not yet covered with wax. They are actively mobile and known as ‘crawlers’. Second instar nymphs are darker and less active. From

Rancho Los Pinos is nature's ally

water consumption by 65% and minimized pesticide use by implementing biological control and natural pollination programs. A long and increasingly sustainable [...] learning and success The partnership between Koppert and Rancho Los Pinos spans over 20 years, beginning with natural pollination programs and evolving [...] centers in San Quintín and Vizcaíno, Baja California, Rancho Los Pinos sets the standard for vegetable production, packing, and marketing in northwestern

Southern European marshland pyralid

ornamental crop plants, such as roses and gerbera, aquatic plants, vegetable crops such as celery, pepper and lettuce, and weeds. The secretive habit of the [...] crops cultivated in an ebb-and-flow irrigation system. The damage threshold varies considerably according to the crop: in begonia and kalanchoë a relatively [...] as well as life materials. Young larvae feed on the leaves and flowers before they bore and burrow into the stem to emerge at ground level. The caterpillars