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Photography with cameras
Nikon D3x, Nikon D300, Canon 50D
Image editing with Photoshop |
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Keyword: Surface |
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 6 von 13 1 2 3 4 5 6 7 8 9 10 11 12 13 | | | | ... larvae of Helophilus pendulus are called rat-tailed maggots and live in muddy waters (including slurry pits) where they feed on rotting organic substrates. They breathe through a long ‘snorkel’ attached to the end of their abdomen which runs to the surface of the water. | | |
| | Adult parent bugs reach body lengths of 6 - 9 mm. They are grey, greyish-yellow, yellow, green, greenish-yellow, reddish-brown or rusty brown in colour, and the upper surface is covered with little black pits. The pattern of alternating light and dark areas on the side edges of the abdomen is very striking. | | |
| | | ...fly’s wings are transparent and extend far beyond the end of its abdomen in resting position. The wings are well developed, unlike those of other frit fly species. The halteres are white. The scutellum is yellow and has no markings. On the upper surface of the abdomen, which is yellow, are 4 black crossways. The legs are a weak brownish-yellow colour.
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| | Adult Syrphus ribesii reach body lengths of 10-12 mm. They have a flat, black forehead, and rust-red antennae. Unlike Syrphus torvus, a similar species, the compound eyes of Syrphus ribesii are without hair. The upper surface of the abdomen is alternately yellow and black. The first yellow stripe is broken in the middle. The wings have a slight brownish tinge. The legs are yellow and dark at the base (hips) in the males. | | |
| | Almost all spiders are land animals. They often hide during the day and are only active at dawn or at night. The water spider is the only genus which lives in water. A number of species hunt on the water surface.
Birds pose the biggest threat to spiders. However amphibians, reptiles and bats also eat spiders. Some spider species feed exclusively on other spiders. Other natural enemies are: wasps, ants, true dragonflies, small-headed flies, Nematodes and... | | |
| | ...various habitats such as mixed forests, deciduous forests, coniferous forests, fields, wetlands, wood shots, clearings and forest deadfall.
Species which parasitise aphids can exploit up to 200 aphids in a week. The females lay their eggs on the surface of aphids. After one to two days, the larvae hatch and then eat the insides of the aphid out . They pupate in the hollowed out body of the aphid and after five days, the young adult wasps hatch. Some species specialize in spinning cocoons and li... | | |
| | Gonocerus insidiator reach body lengths of 10 - 15 mm. Their body shape is similar to that of Pentatomidae species, but they are not so broad. The upper surface of the body is reddish brown and the underside is yellowish-green. The head has strong, long antennae with 4 segments and greenish eyes. The head and antennae are also reddish brown. The pronotum is broad and bears remarkably sharp spikes. The scute... | | |
| | The latter have transparent wings, while the former have wings with zigzagging dark stripes. Another typical characteristic is the marking on the upper surface of the abdomen. The several segments formed through yellow rings are clearly visible. The marking on the second segment resembles a chalice. The base of the hind femur is a yellowish colour. | | |
| | The mesonotum is a brownish-black, shiny, metallic colour. 4 grey bands run lengthwise along its upper surface. The wings have a reddish brown to brownish tint. The legs are rusty red, sometimes yellowy-orange. The abdomen is reddish-brown to yellowish-red and has a dark brown median stripe. The rear edges of each abdominal segment are also dark. A dark side... | | |
| | The basic colour of the upper surface of the hind wings is also brownish to reddish. It is also filled with yellowish-orange-red spots. Near the hem of the forewing whitish edge lines and 3-4 eye patches are as coexistent. The outer edge of the rear wing is concave. This is an important... | | |
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