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Keyword: Pests |
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 |
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| ...f the aphid out . They pupate in the hollowed out body of the aphid and after five days, the young adult wasps hatch. Some species specialize in spinning cocoons and live on their eggs.
Because the hatching wasps keep the populations of plant pests down, they are considered very useful. They are also actually used in agriculture to kill plant pests (aphids) or moths. | | |
| | ...ble to destroy entire harvests. Furthermore Bark beetles, Ips typographus, the Old-house borer and Mountain pine beetles destroy wooden structures, forests and woods. The Asian ladybird is among those considered useful , as it is the enemy of many pests in agriculture and forestry. | | |
| | | Rove beetles | | ...g and rashes in humans.
Some species of rove beetle can cause damage to strawberries or fruit trees. However, the rove beetle is enormously valuable for the soil and its remineralisation. Furthermore they eat many insects which are regarded as pests in agriculture and forestry. | | |
| | The larvae of Leptura quadrifasciata feed mainly on willow wood. Alternative sources of food are oak, beech, birch, alder or hazel bushes. The beetles are not considered to be pests because the larvae reside in dead wood.
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| | Chrysoperla camea s. l. | | ...om aphids. During the day they sit, hidden, under leaves. They overwinter in places where they are well hidden from other animals and insects. Their larvae are considered beneficial as they eat aphids (up to 10 per day) and aphids are viewed as pests in agriculture . In 1999, the Chrysoperla camea s. l. was declared Insect of the year. | | |
| | Common flower bugs bite humans. However, they also prey on other pests and are therefore considered beneficial. | | |
| | ...larvae of yellow swarming flies feed rapaciously on some species of Pseudococcidae and on aphids. They pupate in the soil. Some of the pupae overwinter there. The life expectancy of the yellow swarming fly is 4 to 6 months. They are only considered pests then they occur in large numbers. | | |
| | 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. | | |
| | As ladybirds eat pests they are considered useful by humans. However In Europe the Subcoccinella vigintiquatuorpunctata can be harmful, especially if it occurs in alfalfa , sugar beets, clover, potatoes, carnations and dahlias. | | |
| | Due to the fact that leaf beetles are herbivores they are often seen as pests, this includes the Colorado potato beetle, Psylliodes, Common asparagus beetle, Chrysomela populi and the Agelastica alni. | | |
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| Frequent Queries: | | Subcoccinella vigintiquatuorpunctata damage (1) | | | | | | |
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