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Photography with cameras Nikon D3x, Nikon D300, Canon 50D Image editing with Photoshop |
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Keyword: Crops | Overview - a b c d e f g h i j k l m n o p q r s t u v w x y z | Seite 1 von 2 1 2 | | | |
| The females lay their eggs singly, in clusters or in rows on their forage crops. Some species hide their eggs in holes in leaves, stems or twigs. Others cover their eggs with feces. The Donaciinae live both on water as well as on water plants. Here is the egg laying in a kind of jelly. The eggs are laid in rows on leaves. The ... | | |
| | Assassin bugs carry diseases. Furthermore mass occurrences of bugs such as the Aelia acuminata, the Eurydema oleracea or the Dolycoris baccarum cause damage to crops. The Lygaeus equestris, however, won the Insect of the Year 2007 Award. It feeds on plant juices and is completely harmless to humans. | | |
| | | Cotton bollworm | | ...et moths (Noctuidae). It is found in Southern Europe, (Central and Northern Europe infrequently ), in Africa and Asia, and Australia and New Zealand. It originated in the tropical and subtropical zones and is regarded there as a pest of a variety of crops. | | |
| | ...ring hot summers. It cannot overwinter in Central Europe. The cotton bollworm prefers to live on cultivated land but is also found on warm hillsides or grassy heathland.
The caterpillars eat a very wide range of foods, but are especially fond of crops such as cotton, sunflowers, lemons and tomatoes. | | |
| | Some years, the silver Y appears en masse and can cause great damage to crops. This population increase is due to migration. The silver Y is active from February to December. | | |
| | Due to the damage they can cause to wooden structures, food supplies, crops or ornamental plants, a number of insects are regarded as pests. These include the blood-sucking insects. | | |
| | ... which overwinter as larvae or adults. Orthoptera can be herbivores or omnivores. 2 species live on aphids. As a rule, Orthoptera are solitary animals, however, migratory locusts live temporarily in large swarms, and can cause major damage to crops . In some cultures, Orthoptera in general constitute part of the diet. | | |
| | Leaf-miner flies have a life expectancy of about 7 days. During this time a female lays up to 400 eggs. When leaf-miner flies occur in large numbers, they can cause significant damage to crops. This led to the extensive use of pesticides in the past. However after initial successes, leaf-miner flies developed resistance to these poisons so that today they are increasingly combatted using their natural enemies, such as the parasitic was... | | |
| | The fertilized females lay their eggs on the host plants of the larvae, or in the soil. The larvae feed as rootworms or mostly as leaf miners. Some species of larvae can cause considerable damage when they infest crops. This includes in particular, species of the genus Delia (Delia antiqua, Delia coarctata, Delia Floralis, Delia platura, Delia radicum) and the turnip fly (Pegomyia hyoscyami). The larvae of other species of root-maggot flies feed on fungus or ro... | | |
| | Earwigs are of great benefit as pest controllers. However, they can also become pests when they eat crops. They are completely harmless to humans. | | |
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| Frequent Queries: | | Orthoptera plant pest (1) | | | | | | |
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