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It is impossible to be fooled when seeing these insects. Butterflies and moths make the Order Lepidoptera. These insects would fly around during the dinosaur era, 140 Ma ago. First were the moths, butterflies appearing much later. The oldest known butterfly fossil is 40 Ma old: Prodryas persephone, discovered at Lake... |
21 March 2008
17:56 GMT |
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Insects can be masters of disguise. In simple cases, you cannot detect the green grasshopers in the vegetation. But think about the orchid mantis (Hymenopus coronatus) from southeastern Asia, which mimics a pink flower so well that pollinating insects go straight into the killing arms of this predator. The stick inse... |
26 February 2008
03:21 GMT |
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Ants are really vicious. They bite, sting and splash with formic acid, which is quite toxic. Yet the colony fed by thousands of hard-working laborers represents an irresistible target for parasites. A new Danish research published in the Science journal and carried on the Myrmica rubra ant species has revealed cases ... |
4 January 2008
03:29 GMT |
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1.Costa Rica is a small country from Central America having 4 million inhabitants and is slightly larger than Switzerland. The land was discovered in 1502 by Columbus, who was taken by surprise with his whole fleet by a storm in the waters off the neighboring Honduras. Columbus navigated along the shores of present-d... |
27 November 2007
08:26 GMT |
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Mammals and birds may be the most complex organisms, but insects have won the evolution race. There are about 900,000 described species, and scientists evaluate their real number from 2 to 10 million species. Calculating the total number of insects on the globe, researchers found it overpasses by 200 billion times th... |
15 November 2007
16:09 GMT |
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Butterflies are renowned usually for their beauty. But amongst the 750 species of butterfly encountered in US and Canada, this is the most known worldwide, due to its amazing migration records. The black and orange beauty bears the name of monarch butterfly because the first English settlers of America associated it ... |
14 November 2007
14:11 GMT |
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Parasites are not nice guys and many times they can even kill. But what about a parasite killing only males? All of them or not? And they talk about sexual discrimination...This is the case of a butterfly, Hypolimnas bolina (eggfly, blue moon butterfly), found in two Samoan Islands (Polynesia) and the Wolbachia bacte... |
18 July 2007
03:06 GMT |
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Want sex? Put on the showiest clothing, drive the shiniest car, display the catchiest tattoos and maybe you'll get some. Or at least you have tried. But that's, in fact, an ancestral animal trait; that we still have to do it. Just look at the bright colors in feathers, scales, faces, or insect wings. But i... |
28 April 2007
06:25 GMT |
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It's like any normal culture in which for an abundant and healthy crop you have to be careful against furtive predators like insects, spiders and birds. This way, the product with the most beautifully colored wings on Earth will be achieved at thousands of km away from its origins. Butterfly growing is a commerc... |
7 March 2007
10:23 GMT |
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