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Photography with cameras Nikon D3x, Nikon D300, Canon 50D Image editing with Photoshop |
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Keyword: Young | 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 6 1 2 3 4 5 6 | | | |
| ... can comprise up to 7000 insects. Labour is organised - the Queen only lays eggs while the workers are responsible for nest building , nest cleaning, food procurement and feeding the larvae, and the drones are responsible for the fertilization of young queens. To avoid inbreeding, some drones leave the nest and look for females from other populations.
While the old queens usually die in the autumn the young fertilized queens seek safe homes. With the cold of coming winter huge numbers of worker wasps die from starvation and as a result many colony wasps become solitary. In spring new colonies emerge from the overwintering young queens.
Wasps have a smooth sting which they use to inject crippling substances into their prey and to defend themselves (even by spraying poison) and this sting can be used again and again. The Honey Buzzard and the Ichneumon wasp are natural e... | | |
| | Common woodlouse | | ...prefer the darkness. They feed on plants, fruits and vegetables. Woodlice are preyed on by a variety of birds.
Adult woodlice have a life expectancy of up to 2 years. They reproduce with the onset of warmer weather. The females produce 10-70 young, up to 3 times a year. These are 2-3mm in length. The females retain the fertilized eggs in pouches. These pouches are situated on the legs and are filled with water. The young develop in these pouches and leave as small woodlice. Further brood care is not necessary. About 3 months later, the young woodlice become adults and shed their skin for a living. The adults overwinter in the soil. | | |
| | | ...ed, further construction of the nest, and the provision of food supplies for the larvae is their responsibility. A colony can accommodate as many as 200 wasps. The nest can grow to approximately the size of a football. In August additional males and young queens are bred. The young fertilized queens seek out winter hideouts, while all the other wasps die. | | |
| In spring, a nest is founded by a young queen. The nest is made from wood, which is taken from dry or rotten plant stems, chewed and then bonded with saliva. The nests are often found in buildings, garages, sheds or blindboxes. When finished, nests consist of about 50 cells. They have no ...
...s consist of about 50 cells. They have no protective outer surface. Up to 30 workers live in a single nest. At the end of July, the adult females and males of the new generation appear. In September the wasps die with the exception of the fertilized young queens, which hibernate. | | |
| | The young ants overwinter twice in the nest which is built in the dead wood of trees and located up to three metres in height. The major part of the nest is under the soil. Some nests are only in the ground. After reaching sexual maturity, the young ants swarm from the nests on warm afternoons in May and June New colonies can be founded either by individual queens or by several Queens. In the latter case the eggs of the queens are stored commonly in a single breeding chamber , and care of th... | | |
| | ... 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 bird's-foot broom are also eaten by Sitona gressorius. In June, the young beetles of the new generation hatch. They often enter residential areas, occurring in houses to such an extent that they constitute a plague. | | |
| | ... hunt, both by day and night,for insects such as flies, wasps, bees, moths, grasshoppers, beetles, caterpillars or Odonata to feed the queen or the larvae. They themselves feed on tree sap , plant juices, nectar, fruits or honeydew. In autumn the young queens and drones hatch. In late September or early October the drones start fightings between themselves in order to fertilize the young queens. While the fertilized queens find hiding places to overwinter , the remainder of the population dies with the first night frosts. | | |
| | After mating, the fertilized females lay their eggs at the base of grasses (Poaceae). After hatching, the maggots eat their way into and through the young sprouts and later feed on the young leaves of the grass plants. Further growth of such plants can be disrupted by this, or even prevented. The damage patterns on grass plants vary. Ragged, cracked leaves, are often seen, as are swollen stems at ground level or near the ground, or the ... | | |
| | The females lay their eggs in a cocoon, which is attached to leaves. They keep guard of their brood until autumnwhen the young spiders hatch from the eggs. The main enemy of the young are the larvae of the ichneumon wasps Tromatobia lineatoria. Chickadees (Paridae) are the primary natural enemy of adult Philodromus dispar. The spider overwinter behind the bark of dead trees. | | |
| | ...sive. After mating, the females build one lenticular, multilayered cocoon in which they deposit their well-camouflaged eggs onto a bedding of silk. . After that, the females guard their cocoons, fasting and ignoring any disturbances. Just before the young crab spiders hatch, the females open the cocoons, thus helping the young with the hatching process. After this, the females die. | | |
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