• Oak processionary moth

  eggs and hatch in mid- or late April. They are nocturnal and feed gregariously. The newly emerged larvae are brown. In later instars, their body becomes [...] air when the larvae are disturbed. After moulting, the previous stage's hairs remain on the exuvia, but can become airborne and are still allergenic. In [...] Middle East. Damage symptoms The nests of caterpillars on infested trees are clearly visible. The larvae of the oak processionary moth cause severe defoliation

• Silver-Y moth

  white mark. The hindwings are brown with a broad, dark band along the margin. The body is light brown and hairy, the antennae are long and thin. The moths [...] The caterpillars are nocturnal. When the caterpillar is full-grown, it will form a greenish to black pupa, either in leaves which are woven together with [...] host plant, usually separately but sometimes in small groups. These eggs are a greyish white, suffused with a blue-grey in the middle and they have irregular

• Onion fly

  5 and 7 mm long, with a grayish-yellowish body and clear wings. The eggs are laid by the female onion fly on the young leaves, necks of onion seedlings [...] For onion growers, onion fly infestations can be a major concern, but there are a few control strategies that can be used to manage this pest. These include [...] growth, yield reduction or even death of the onion plant. The roots and leaves are harmed when the onion fly larvae tunnel into the onion bulbs. This damage

• Conifer

  About Conifers are also referred to as Pinophyta, Coniferophyta or Coniferae . The plants are so-called gymnosperms or seed-bearing vascular plants. This [...] This means that their seeds are not enclosed in an ovary. All existing conifers are perennial, woody plants and secondary growth occurs in the development [...] development of conifers. Conifers are usually trees, but few varieties develop as shrubs.

• Impatiens thrips

  the plant, specifically on the leaves. Eggs are deposited in the leaf tissue, while subsequent stages are found on the upper- and undersides of the leaf [...] tissue. Adults are found on both upper- and undersides of the leaves. This species of thrips is relatively large. Both males and females are dark brown to [...] colour with orange pigmentation between the segments, and the dark wings are white at the base. This colouration distinguishes the species from most other

• Cottony cushion scale

  The 'females' are actually hermaphrodites with fertilization occurring between the eggs and the sperm of the same individual. Males are occasionally produced [...] photosynthesis. Also due to the honeydew, cottony cushion scale infestations are often attended by ants. Life cycle and appearance of Cottony cushion scale [...] orange-brown body that is coated with white and yellow wax. The adult ‘females’ are easily recognized by their large size (up to 10 mm long), red-brown body colour

• Cryptolaemus montrouzieri

  late third and fourth in stars are the most voracious, consuming up to 30 mealybugs per day. 226 Beetles and larvae are most active in sunny conditions [...] montrouzieri eggs are small, oval-shaped, and usually laid individually or in clusters on plant foliage or near mealybug-infested areas. They are typically y [...] leaves. Larval stage: Cryptolaemus montrouzieri larvae are the primary predatory stage. They are elongated and have a segmented body with a dark brown or

• Aphidoletes aphidimyza

  threads. The cocoons are covered with small particles of soil and are about 2 mm long. Adult Stage: Adult Aphidoletes aphidimyza are small, slender flies [...] Stage: Aphidoletes aphidimyza eggs are tiny and elongated, usually laid individually near aphid colonies. They are translucent orange and difficult to [...] n. Larval Stage: The larvae of Aphidoletes aphidimyza are the primary predatory stage. They are small, orange maggots with distinct black mouthparts. These

• Herbs

  About Herbs are actually all plants which are used as food ingredient, natural medicine or fragrances. They often have savory or aromatic characteristics [...] cs and are used for flavouring dishes or food products. In the culinary world, there is a strict difference between herbs and spices. Herbs are the leafy [...] used fresh or dried. Spices derive from other parts of herbal plants and are often dried seeds, berries, roots, bark and fruits. Botanically speaking,

• Large blackberry aphid

  and start to reproduce parthenogenetically. They are very mobile and drop from the plant when they are disturbed. Winged aphids usually appear in June and [...] similar to the large raspberry aphid Amphorophora idaei . As both aphid species are host specific the host plant is the simplest method to distinguish these two [...] their presence in the crop. Wingless females of the large blackberry aphid are 2.6-4.1 mm long, pale to yellowish green with long antennae, legs and siphunculi