Circular scale

and subtropical parts of the world, mostly in association with the citrus industry. In more northern countries of its range, it occurs in greenhouses. In [...] spots with paler margins, on both surfaces of shaded leaves of the host plant. Life cycle and appearance of Circular scale Female nymphs and adults have [...] pale. When the scale is lifted, the insect beneath is yellow and up to 1.7 mm long. The adult male is 0.7 mm long and has a single pair of wings. First-instar

Trianum-P improves open field pepper production in Portugal

out with the company Sociedade Agrícola Militão, in the town of Ribatejo, in a pepper crop for the processing industry. Pedro Militão is one of the two owners [...] product present the physical and organoleptic characteristics of the variety, free of pests and diseases and free of pesticides, guaranteeing the final consumer [...] owners of the company Sociedade Agrícola Militão which cultivates about 40 hectares of peppers in the Marinhais area. The entire crop is harvested mechanically

Mycotal in Salad Crops

Make the most of Mycotal in your salad crop IPM strategy Mycotal is a spore formulation of the insect pathogenic fungus Lecanicillium muscarium and is [...] hyphae that penetrate the insect’s epicuticle before entering the inner tissues, where it rapidly proliferates, causing death of the target pest. Salad crop [...] contact with the target pests; select spray nozzles giving a droplet size range of 50-100 µm; angle spray nozzles to achieve good penetration of the canopy

Tomato russet mite

out quickly. The damage is first seen on the lower part of the plant and moves upwards as the mites ascend. Life cycle and appearance of tomato russet [...] be divided into two parts: the head with the mouthparts, and the rest of the body. All mobile stages have only two pairs of legs, whereas other mite groups [...] members of the plant family Solanaceae may be affected to a lesser extent. Damage symptoms Damage is caused by the mites sucking out the contents of plant

Green peach aphid

families. Damage symptoms Of all the aphids , the peach potato aphid ( Myzus persicae subsp. persicae ) is the most important vector of viral diseases. It can [...] 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 [...] to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky

Blackcurrant aphid

distal third of the siphunculi is slightly swollen. In spring, the blackcurrant aphid lives on the underside of the young leaves of currant plants. It does [...] females of the blackcurrant aphid are 1.3-2.6 mm long and pale greenish white or sometimes yellowish, often with a darker green spinal stripe. The distal [...] present in the Russian Far East and North America. Damage symptoms Blackcurrant aphids produce large amounts of sticky honeydew on which black sooty mould

Potato aphid

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 [...] to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky [...] characteristic of the potato aphid and is particularly visible in the nymphs. Immatures have a light dusting of whitish-grey wax. The aphids instantly

Cotton aphid

including the cucumber mosaic virus. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s [...] to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky [...] retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young plants. Retarded growth and defoliation

False spider mites

found on the underside of leaves where they cause a brown, scabby discolouration spreading from both sides of the main vein into the leaf blade. The damage [...] and adult. They move slowly and are mostly found along the veins on the underside of leaves. The mites are flattened and egg-shaped when seen from above [...] pattern. The eggs are a clear red colour and elliptical in shape. They are laid in a fold in the leaf or along the mid-vein, often in dense clusters of several

Shore fly

particularly of young cuttings, can be retarded. Life cycle and appearance of Shore fly The life cycle of the shore fly ( Scatella tenuicosta ) has the following [...] and stout with short antennae and short legs. The head of the adult has a pair of conspicuous eyes. The wings have grey-brown patches. Although shore flies [...] commonly, often in the vicinity of water. They feed on algae. Other shore fly species have diverse feeding habits but the larvae of most species feed on