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|When Brachycera occur in large masses they can be very annoying and can, in certain cases, lead to significant damage to agriculture, especially in the meat and milk production industry. Due to the fact that some species of Brachycera t very often reside in feces and carcasses, they can transfer diseases. Some general examples of Brachycera are : Blow-flies, hous...|
...reside in feces and carcasses, they can transfer diseases. Some general examples of Brachycera are : Blow-flies, house flies and Muscidae.
The Drosophilidae, or fruit flies, of which about 3,000 species are known worldwide, can cause significant damage to orchards or individual trees.
|Lace bugs cause negligible damage in Central Europe, however because they often occur en masse in the tropics, they can cause considerable damage in agriculture there. |
|...lattaria laevigata) specialize in the consumption of snails. They can penetrate the snail shell. Specimens from the genus Aclypea (although considered polyphagous i.e. feeding from a variety of sources), are pure herbivores that can cause tremendous damage in turnip fields when appearing en masse. Members of the species Silpha atrata lay their eggs on dry or decaying leaves or in the soil. Their larvae can also cause damage to young turnip plants.|
|... they are to find amongst hunting ants’ armies where it occurs that they ‘ride’ ants instead of walking. Rove beetle have defence glands, the secretions of which can cause blistering 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.|
|...and even in buildings.
Both adult and darkling beetle larvae are herbivores or omnivores. They often live in in the company of other darkling beetles and feed on rotting plants, seeds, mushrooms or dead insects. Darkling beetles can cause major damage at food warehouses (Larvae of Meal worm beetles).|
|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. |
|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. |
|The forest bug lives in forest edges, parks and in bushes in gardens, in oak, lime, and fruit trees, and mass occurrences lead to fruit damage. Attracted by the light, they also fly into human dwellings.|
|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. |
|Sitona gressorius prefer to live in marginal areas, where lupins are naturally present or are grown. Since 1999, they have been occurring on mass in the main lupin production areas in Germany causing extensive damage. The adult beetles feed on the margins of the leaves, especially on young plants, and leave jagged edges like those on stamps, while their larvae feed on the roots of the plants. The leaflets can be completely bitten through (blue lupine). Small and...|