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| The life span of arachnids, in contrast to that of insects varies widely. Their body growth is greatly limited by a rigid exoskeleton. Arachnids moult, after retreating into hiding and fasting. While most spiders moult hanging down from a thread (thread moultin... | | |
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| Mecoptera | | Mecoptera, sometimes called ‘scorpionflies’, belong to the Neoptera. There are approximately 600 species worldwide, 10 of which can be found in Europe.
Mecoptera can reach a body length of 3.5 to 20 mm with a wing span of 20 to 40 mm. They have 2 pairs of wings which are almost identical. In some species the wings are much smaller and in others the larger pair of wings is missing. A notable characteristic of the adult insect is the elongation of the mouth parts;... | | |
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| Adult longhorn beetles feed on pollen, flower parts or tree juices. Some species prefer tree bark or leaves and the stems of cabbage plants. Other species don’t eat anything or are predatory. The life span of an adult longhorn beetle is anything up to 90 days, in many species less than 1 month. | | |
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| ...y in colour with 4 dark, longitudinal stripes on the chest. The underside is yellowish. The housefly has a proboscis and red compound eyes, which are farther apart on the head of the females than on the males. The housefly cannot sting. The life span of the housefly is approximately 16 to 24 days, the males mostly dying earlier than the females. | | |
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| The life span of Brachycera is often only a number of days or weeks , with the larvae stage occupying most of that period . The adults of Brachycera are active in Central Europe from April to October. During the winter the animals (in all stages of development) ... | | |
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| ...low. The top section? the upper surface? of their chest (thorax) is shiny black. Their scutellum is also light yellow. They have markings on the upper surface. The females have an ovipositor on the end of their bodies.
The adult flies have a life span of about 1 week and only feed on vegetables (phytophagous). Aside from the open air, they are mainly encountered in greenhouses. After hatching from pupae, the females start feeding immediately. They drill small holes in the top surface of plants... | | |
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| Vespa crabro reproduce once a year. As a social wasp, it counts among the colony building insects. The colony has a life span of one year. The population comprises 100 to 700 (in extreme cases up to 1000) hornets. | | |
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| ...ds. These hairs thin out over time and then 4 dark lines appear lengthwise. The males have thicker hair at the sides. At the edges of the scutellum are 6-8 long, black bristles. The abdomen is olive coloured with some light patches. The wings, span 12-16 mm, shimmer brownish, have black veins and overlap on the abdomen in resting position. The common cluster fly is cumbersome in flight. | | |
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| Rhopalus subrufus are diurnal and active from April (or June on and prefer habitats like forest edges, clearings, uncut lawns, meadows, roadsides and banks of water where they particularly favour grass and geranium plants. Their life span is 6-8 months. | | |
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| The life span of the adults is often only a few days. The larvae live within almost all parts of plants. Some species inject their eggs into plant leaves on which a small ball grows with the eggs inside, other species live parasitically in the implantations of ot... | | |
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