The Marmaray, connecting the European and Asian shores of Istanbul, is the world's first sea tunnel between two continents. Turkey has opened the world's first underwater rail link between two continents, connecting Asia and Europe and allowing Prime Minister Tayyip Erdogan to realise a project dreamt up by Ottoman sultans more than a century ago.
The labium forms the floor of the dragonfly's mouth, the labrum forms the top, while the hypopharynx is inside the mouth and is used in swallowing. Conceptually, then, the mosquito's proboscis is an adaptation of the mouthparts that occur in other insects. The labium still lies beneath the other mouthparts, but also enfolds them, and it has been extended into a proboscis.
The yellow fever mosquito (Aedes aegypti) is a mosquito that can spread dengue fever, chikungunya, and yellow fever viruses, and other diseases.The mosquito can be recognized by white markings on its legs and a marking in the form of a lyre on the thorax.nly the female bites for blood, which she needs to mature her eggs. To find a host, these mosquitoes are attracted to chemical compounds emitted by mammals. These compounds include ammonia, carbon dioxide, lactic acid, and octenol.