The yellow fever mosquito, Aedes aegypti, has taken a bloodmeal on human skin and carefully stores her proboscis into the labium before flying away. This species is a vector not only of Yellow fever but also Dengue fever, Chikungunya and Zika. Below some more photo’s of this species
Interactive view of a female Aedes aegypti mosquito, unfed
Interactive view of a male Aedes aegypti mosquito.

The Asian bush mosquito, Aedes japonicus, vector of West Nile virus:

The species Anopheles atroparvus, common in Europe. This species was a malaria vector in Europe, until malaria was eradicated after the 2nd world war:

The malaria mosquito, Anopheles gambiae, vector of the most dangerous malaria parasite:

The common house mosquito, Culex pipiens. For the interactive view in the 3rd photo, I have put the mosquito on a daisy flower for support, since the specimen tends to bend during capturing when put on a needle. So this setting was not encountered in nature.