Mosquitoes Aedes (Diptera: Culicidae) are responsible for transmission of some diseases of strong impact on individuals and public health, namely Yellow Fever, Dengue, Chikungunya Fever, and Dirofilariasis. In the last few years an expansion has occurred of the geographical distribution of Aedes mosquitoes into the areas where it had already been recorded as well as the introduction of some species in new continents and countries. On the other hand, some competition between Ae. albopictus (Skuse, 1894) and Ae. aegypti (Linnaeus, 1762) has been observed. Here we give an overview of the dispersion of Aedes albopictus in the world and call attention to:(i) recent studies that we have considered important to attempt new opportunities for disease control transmitted by this mosquito; (ii) the necessity for surveillance of this species, considering its constant dispersion and capacity as a vector of causal agents of diseases for humans, namely virus and nematode.

Originating in tropical forests of South East Asia, A. albopictus (the Asian tiger mosquito, or forest day mosquito) has shown a large expansion throughout the world (Europe, Middle East, Asia and Australasia, North, Central America and Caribbean, South America and Africa) principally through the use of used tyres and plant pots  1 as breeding grounds. In Europe: i) the first record of A. albopictus was in Albania in 1979 2; ii) (Kia) 1990 found it in Italy and it is now established in the country 3; iii) in 1999 it was recorded in France; iv) since 2000 it has become established in Albania, Italy and on the Cote d’ Azur in France, and it was introduced in Greece, Spain, Balkan countries, Switzerland, Netherlands, Malta,Germany and Portugal 4567891011. In 2007, 12 have foreseen that: ”A.albopictusis most likely to become established in Portugal as well as the eastern Adriatic Coast, eastern Turkey and the Caspian Sea Coast of Russia”.

Another situation that deserves to be considered is the competition between species which can change the entomological fauna at short term or at medium/long term. This competition was already been observed for example, between A. albopictus and A. aegypti in Madagascar, where A. aegypti has become rare, contrasting with what was previously observed, this change being predominantly driven by human activities and the rainfall regime that provide suitable breeding sites for this highly antropophilic mosquito 13. Considering that the public health importance of A. albopictus is demonstrated (role as vector of Dengue, Chikungunya, yellow fever virus, and of Dirofilariaspp.)  there is the need to control this mosquito in areas where it is established and the surveillance for this species be maintained in all areas where there is a risk of introduction. Fortunately, the scientific community continues investigating possible methods for control of this mosquito as is shown in the publication of 14. In this publication the authors have concluded that “our findings showed that the A. pinnata bioactive molecules can be effective as larvicides for Ae. albopictus mosquito vector control programs. Finally, this study suggests that future research work can be conducted on the field evaluation of its larvicidal effectiveness against Ae. albopictus species for environmentally safer botanical insecticide inventions”