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Keyword: Pesticides | 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 1 | | | |
| Houseflies are capable of developing resistance to pesticides and as they transmit various diseases, are considered to be a danger to humans and animals. | | |
| | Philanthus triangulum are widespread in the northern hemisphere, but rare due to strong natural fluctuations in population and the use of pesticides in agriculture. Under favourable conditions, this species reproduces twice a year. | | |
| | | ...ths of the host larvae by feeding on their insides. Amongst humans, the Chrysanthemum leaf miner ( is regarded as a pest when encountered in greenhouses and plantations, especially en masse as they can cause significant damage and crop yield losses. Pesticides are of little use as leaf-miner flies have developed a resistance to the poison and it only kills more of their natural enemies.
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| | 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 wasps Dacnusa sibirica and Diglyphus isaea. | | |
| | Moths and Butterflies are of great importance as bio-indicators and plant pollinators. Caterpillars, butterflies and moths have a large number of enemies. Many lepidopteran species are endangered, although this is mainly due to the increased use of pesticides in agriculture. | | |
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| Frequent Queries: | | CHRYSANTHEMUM CATERPILLARS (3) | | pesticides for caterpillars (2) | | caterpillars in chrysanthemum (1) | | caterpillars chrysanthemum (1) | | caterpillar chrysanthemums (1) | | |
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