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Keyword: Black |
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 19 von 26 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | | | | Willow flea beetle | | ...a beetle is sexually mature. In June/August the beetles mate. The fertilized females lay their eggs on the leaves of the forage plants of their larvae. The eggs are yellowish and spindle-shaped.
The larvae hatch in summer. They are 5-6 mm long, black and resemble a small slug. The larvae live sociably on the same host plants (such as willow and poplar trees of the genus Salix or genus Populus) just like the adult beetles and often eat the leaves with the venes of the leaves remaining only. In l... | | |
| | The antennae are black, long and threadlike. The wing covers (elytra ) are hairless and are densely covered in fine dots. The alder leaf beetle lives in the most diverse biotopes, is day active, and is found particularly frequently in flat country. It prefers damp ar... | | |
| | The upper surface of the hind wings of the males and females is white. The underside of the hind wings is likewise white but with yellow and black scales, which appear as greenish-white veining and serve as excellent camouflage. This effect is augmented by the male orange tip’s ability to rotate their forewings until they are completely behind the hindwings, so that when their wings are fo... | | |
| | The abdomen is black, comprises 10 segments, 8 of which move, and bears pairs of blue and green stripes, the last of which are blended together forming a patch. These stripes differentiate Aeshna cyanea from other Aeshna species. The colour of the abdominal markin... | | |
| | Thick-headed flies prefer open, dry habitats and live on dry meadows, lawns, fields, roadsides and forest edges. The adult flies feed on the nectar of various flowers and plants such as aster, umbellifers, willow, black thorn and thistles. Thick-headed flies are active from May to September. | | |
| | Most species have spherical abdomens which are shiny black or brown to light brown incolourand often patterned in more or less contrasting colours . In many cases, the abdomen is oblong in shape. Most cobweb spiders have long, thin legs. A distinctive characteristic of these spiders, is the "co... | | |
| | ...gst humans, particularly in western industrialized countries, spiders have a bad reputation. This irrational aversion may in some cases lead to mental illness (arachnophobia). Some species of spiders are in fact dangerous to humans, for example, the black widow. In Cambodia, spiders are brutally killed and eaten. However in many Asian cultures, the spider is considered useful because it kills insects. In West Africa, the spider is considered a deity. | | |
| | ...hs of 3-4 mm. The surface of? their flattened upper body has a lattice-like? structure. They have wax glands, the secretions of which make the surface appear like being powdered. The head of the andromeda lace bug is nearly hidden (under a big, black, bullet-shaped bubble on the neck) . Their antennae are an important identifying characteristic. Their simple eyes (Ocelli) are round and small. | | |
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