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| ...veins) and the lower epidermis. The dry leaves go brown or roll up. The larvae (cherry slug) produce no more mucus in the final stage of their development. In July, they drop from the leaf and immediately create an egg-shaped tissue below the soil’s surface, in which they quickly pupate. About 2 weeks later (in July and August), the adults of the 2nd cherry slug generation hatch, mate and lay eggs. The larvae (cherry slugs) are active from September to October. They also pupate and overwinter in the so... | | |
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| ...ovoid. The antennae are inclined downwards from the 2nd segment on. A small triangle of ocelli (simple eyes) can be seen on the upper half of the forehead. Orbital bristles reach from the front edge of the eyes to the edge of the forehead. The upper surface of the chest (thorax) is brownish-black in colour and also has bristles. The scutellum is rusty brown. The wings are transparent with a reddish-yellow sheen and have 2 diagonal veins which have several dark patches. | | |
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| ...34 mm in length and dark with a mesh-like pattern and 2 black bands running lengthwise. In older females the abdomen may turn blue (through coverage with wax). The 2nd to 7th abdominal segments of the older males (excreted by wax that adheres to the surface) are also a powdery blue. The abdomen of the males reaches lengths of 30 - 35 mm. Young males also have a lattice like pattern on the abdomen. The tip of the abdomen - 8th to 10th segment - darkens considerably after mating. | | |
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| Mating takes place in late spring or early summer in sunny weather. The fertilized females lay their eggs from the air while clinging to the male (tandem flight). The eggs are attached to plant parts located under the surface of the water. | | |
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| ...out the core of the acorn. In autumn, when the damaged acorns fall from the tree, the larvae, which have now reached their full size, bore their way out and dig into the ground, where they settle themselves in small chambers about 250 mm beneath the surface of the ground for the purpose of overwintering. In the following spring, the larvae pupate in their chambers. They leave the pupae in May or June as adult acorn weevils. | | |
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| Mating season is fromJuly /to September. The fertilized females lay their eggs just below the surface of the soil (usually in chaff or leaves). The larvae of Lagria hirta are cream to light brown in colour. They feed on rotting leaves or on peat. The development of the larvae from egg to beetle takes 9 months, from autumn to spring. Lagria hirta ove... | | |
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| Adult Rhogogaster viridis reach body lengths of 10 - 13 mm and therefore count as small wasps. Their bodies are grass green and have black and yellow markings. There is a black marking on the top of the head. The upper surface of the thorax also has very dark markings. The abdomen is a striking green colour, with a dark, central, longitudinal stripe. The markings on the wings are yellow or green. | | |
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| ...bright red and black in colour. The head, chest (thorax) and compound eyes are black. The antennae are yellowish and comprise 7 or 9 segments. The abdomen is black and shiny and has a large reddish-yellow or yellow stripe in the middle of its upper surface. It is longer and wider in the females than in the males. The wings are milky-transparent. Their venation is clearly observable. The fore-wings lack the subcosta. Superposed in the idle state, the wings are ranging to the hind end of the abdomen. Th... | | |
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| ...lt, slender, and predominantly black and yellow in colour. Their antennae are about 9 mm in length. Their compound eyes have a grey grey-brown to dark grey sheen. There are three red-brown simple eyes (ocelli) near the top of the forehead. The upper surface of the chest section is black and appears to be lightly dusted because of the fine light hair there. | | |
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| ...t the front. The antennae are long and threadlike and the first 3 segments are brownish red. The other segments are black. The mouthparts (mandibles) are red in colour, as also as parts of the neck. The front part of the chest is orange on the upper surface (neck plate). There is a black spot in the middle of the chest that can run right up to the front or rear edge. | | |
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