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.
1. Aedes aegypti is the primary vector of the dengue virus or more rarely Aedes albopictus. The dengue mosquito looks like many other mosquitoes and is difficult to identify without the use of a microscope.As a rule, if they are found indoors and feed during the day it is likely that they are Aedes aegypti mosquitoes.. Aedes aegypti is the primary vector of the dengue virus or more rarely Aedes albopictus. The dengue mosquito looks like many other mosquitoes and is difficult to identify without the use of a microscope.