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| Adult Eristalis lineata reach body lengths of 11 - 15 mm. They resemble bees. Their faces are covered in white hair, which is divided by a stark black central line. There are also long hairs on their antennae. Eristalis lineata can be confused with Eristalis interrupta. | | |
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| Adult female Chorthippus brunneus reach body lengths of 20 - 25 mm while the males are much smaller. The upper surface of their bodies is brownish. The patches of colour on the body differ in males and females. The abdomen has black and light stripes on the sides. The underside is much lighter than the upper surface. There are reddish spots on the upper surface of the last abdominal segments. The common field grasshopper can only be distinguished from similar species by the sou... | | |
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| It feeds on nectar from thistles and cornflowers. In May or June the females lay about 100 to 300 eggs in groups on the host plants, on the undersides of the leaves. The caterpillars hatch after about 2 weeks and are yellowish-green and spotted black. They eat in groups. The older larvae are solitary. The caterpillars can be encountered from June to October and reach lengths of up to 40 mm. They develop a clear warning sign, and are equipped with a chemical defense system which is based on sulph... | | |
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| ...g or shield shaped and dull green in colour. The upper surface of their bodies has individual or converging little pits, often with a whitish rim. The head and antennae are dull green. The antennae are divided into 5 segments. The eyes can be red or black in colour. | | |
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| ...x) which can release a very unpleasant-smelling secretion. There are 3 to 5-yellowish-white granules at the front edges of the scutellum. The abdomen is almost completely covered by the transparent hind wings, and in some specimens there are several black spots on the sides of the abdomen, which run lengthwise. | | |
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| The eyes of the larvae are red. Their antennae and legs are transparent, while the rest of the body is yellowish. From the beginning of the 2nd larval stage on (5 days) the nymphs start eating. The head, thorax, antennae and legs are now black. There is a yellow patch on each outer side of the upper surface of the chest. The abdomen is red, as are the 2nd, 3rd and 4th segments of the antennae. In the 3rd and 4th larval stages (7 days), the body shape changes and shades of green start to p... | | |
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| Adult Helophilus trivittatus are among the largest domestic hoverflies and reach body lengths of 11 - 17 mm, the males being much smaller than the females. Their bodies are slimly built and whitish, whitish-yellow, yellow, brown and black in colour. | | |
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| The head is is elongated at the front. The first two segments of the antennae are black, the third is yellowish-brown. The 2nd segment is ovoid to roundish in shape. The area between the eyes is whitish-yellow or yellow and is broken up by a grey-yellow central line. The compound eyes are positioned at a distance to each other. In the ... | | |
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| The upper surface of the chest is mostly whitish-grey, whitish-yellow or yellow in colour. There are 3 wide black stripes in the middle. The scutellum is yellowish-brown with a light olive sheen and has, a very thin, central, whitish-yellow stripe which runs lengthwise. | | |
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| The females lay their fertilized eggs on nettles. The eggs are green and 8 - 10 of them are united. The caterpillars hatch after 10 days and are black, 25 mm in length, and covered in dark spines. They feed on nettles, until they pupate 18 days later. The pupae are 15 mm in length. 2-3 weeks later, the adult butterflies of the summer generation hatch. | | |
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