Cabbage moth

grey-brown to black forewings, with a kidney-shaped white-rimmed marking in the middle. The hindwings are light brown with a rather inconspicuous spot in [...] the whole plant. There are six larval instars, with the youngest a transparent yellow to grey-green with a characteristic brown-black head capsule. After [...] in the middle. Head and thorax are grey-brown with white spots, and the abdomen is a pale, greyish brown. The moth flies only at dawn and dusk, hiding in

Impatiens thrips

relatively large. Both males and females are dark brown to black in colour with orange pigmentation between the segments, and the dark wings are white at

Ornamental Breeder at Floranova Relies on Biological Control

Floranova is thrips , along with sciarid flies and, increasingly, aphids . Fortunately, the company does not really have problems with whitefly or vine weevil [...] Swirski-Mite ( Amblyseius swirskii ) in combination with Thripex ( Neoseiulus cucumeris ) to control thrips, with additional use of Thripor-L ( Orius laevigatus [...] season with the arrival of winter, a clean-up insecticide spray programme is employed so that the cycle can start again the following year with clean,

Onion fly

garlic, and onion crops. It is a small fly, measuring between 5 and 7 mm long, with a grayish-yellowish body and clear wings. The eggs are laid by the female [...] insect from spreading and causing more harm. Biological control of onion fly with nematodes Biological control using nematodes can be an effective strategy [...] remember that nematode treatments are more effective when used in conjunction with other pest management strategies including cultural practices and chemical

Bacterial canker of tomato

crop entirely or, if the crop is old, only the plants in the infected area, with a substantial buffer zone. Replanting can only take place after thorough [...] cankers to form. On tomato leaves, water-soaked lesions occur, usually white with a brown centre. In potato, the disease usually only occurs in the second [...] expansion of the wilt upwards. Cutting the stem at the foot shows whitish ooze with bacteria in the case of C lavibacter infection, but other than that the disease

Oleander scale

yellowy colour, round in shape, with a scale whose apex is off-centred. This scale resembles a miniature fried egg with a diameter of 2 mm. The newly hatched

American serpentine leaf miner

Feeding spots made by adult females can also reduce yield, although except with ornamental crops, this is usually of less significance. Seedlings and young [...] before pupating, the grown larva cuts a sickle-shaped exit hole in the leaf with its mouth parts. After roughly one hour the larva crawls out of the leaf

Box tree moth

damage on the leaf edges, with sometimes only leaf skeletons remaining. Other symptoms include webbing of the branches with frass and residues of moulting [...] difficult to detect. They are green with brown longitudinal lines at the beginning of pupation and then turn light brown with a dark pattern towards the end [...] iridescent white with a dark brown band at the outer margin and a characteristic white spot on the forewing, while the other is mostly light brown with a white

Citrus mealybug

breadth. Seen dorsally, they have an oval form; they are soft and covered with a fine waxy material. They move very little. They can be distinguished from

Plant Disease Management