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Keyword: Woodlice |
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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| Common woodlouse | The common woodlouse (Oniscus Asellus), belongs to the order isopods (Isopoda), the family Oniscidae and the genus Oniscus. This species is commonly found in Europe, America, Africa and Asia. Common woodlice reach body lengths of 15-18 mm. They are dark grey to blackish-brown in colour. They have two longitudinal rows of bright spots on their backs and bright coloured. appendages with punctiform openings (defensive glands) on their sides. They have ...
...t soil in deciduous forests and bushes. It is also found in cellars, gardens, stables, greenhouses and compost heaps. An adequate level of humidity is important, since their gills can only absorb oxygen, when combined with a film of water. Common woodlice are active during both day and night, but 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 situ...
...ales 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. | | |
| | Isopods | | ... rough woodlouse, the waterlouse and the Giant isopod.
Isopods can reach lengths of 3 to 12 mm. The body is flattened. They have a constant number of body limbs and 7 legs. At the rear legs are gills. Isopods also live in fresh water. Although woodlice no longer live in water they still have gills. Under the body of the female isopod, there is a breast pocket, where the young (up to 100 per year) develop into adults in the pouch.
Isopods prefer moist habitats, but are also found in dry areas. ... | | |
| | | Armadillium (Pill woodlice) | | The armadillium (Armadillidium vulgare) is a woodlouse and belongs to the family Ligiamorpha.
This isopod can reach a length of up to 16 mm and is able to roll itself up into a ball. While the males are predominantly a uniform blue-grey , black-grey or brownish-grey, , the females have bright spots. The surface of the armadillium is smooth. The armadillium has a high resistance to water shortages. Therefore, it is also found in forest edges and ruderal on plants growing on waste ground | | |
| | ...nd herbage. The females commonly lay their eggs on tree fungi. Oviposition also occurs on dead or decaying wood. The hatching larvae then feed on these materials. The larvae reach body lengths of 4-5 mm. Their yellowish to brown bodies resemble woodlice in shape and have appendages in different sizes depending on the species. The larvae of flat-footed flies pupate at the end of the last larval stage, in or on soil. The second brood they have in the year overwinters in the larval stage.
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| | The larvae of Silphidae, with their broad, flattened, oval or elongated bodies often resemble woodlice. The surface of their bodies is hard. They usually have antennae with 4 segments. On each side of the head there are 2 - 6 secondary eyes. The larvae have 2 segmented appendages at the end of their abdomen, which support movement. | | |
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