Butterflies are surprising insects. From ugly larvae they turn into a real miracle of the nature. To the majority of insects at people negative attitude to take at least, ants or cockroaches. Even spiders cause fear in most of inhabitants of the planet. An exception - butterflies. Admire and surprised with them to their unique color.
Butterflies can be met in the forest, a garden, on fields and meadows. These insects draw attention since early spring to the late fall. About two hundred thousand species of butterflies are known. The fauna of butterflies is most various in tropics. There very large forms striking with brightness and beauty of coloring meet. Moving away from the equator, a variety of butterflies gradually grows poor, but even behind the Polar circle it is still quite plentiful and bright. To understand how such beauty is created, it is necessary to consider the structure of wings.
Structure of wings of a butterfly
On each wing veins which perform two functions distinctly differ: frame and conduction for nervous fibers. The structure of a wing consists of such veins: subkostalny, radial, medial and anal.
Biologists distinguish what look the butterfly in structure of veins treats. It is unique for individuals of one look. Each wing is covered with scales which form pollen. Such phenomenon is characteristic only of butterflies. Scales are the hairs changed in the course of evolution. Their quantity on a wing can fluctuate from several hundred to several hundred thousands of pieces.
Features of wings of a butterfly
Scales can be a various form and a color, they define uniqueness of a butterfly. At many tropical butterflies of a scale refract beams of the sun which pass through their structure as a prism. Thanks to it, wings under different corners look unequally. From some they get a brilliant metal shade, from others – golden, and at the third – sparkle diamonds. Scales fasten on a wing as a tile on a roof. Thanks to it, they can create various patterns – lines, specks, stains. Two butterflies can have no identical drawing, even at females and males it very strongly differs. A surprising gift of the nature are odorous scales. Their tips come to an end with a special brush from which surface the aroma easily evaporates. The pleasant or repellent smell of a butterfly is applied during mating dance. Sometimes aroma of a butterfly so strong that even the person can feel it. So, wings of a butterfly have unique features which force experts to puzzle over this riddle of the nature from around the world. Wings have unique scaly structure thanks to what, the insect has a surprising color, can collect pollen on the surface of the body and attract with a mysterious smell.