Some species choose people, and they are termed anthropophagic or anthropophilic. Others desire animals for example cattle, and therefore are termed zoophagic or zoophilic. The space over which a mosquito is interested in its chosen blood resource generally ranges in between seven and 20 meters. See a healthcare supplier https://how-can-i-get-rid-of-mosq13434.blogrelation.com/34158850/why-mosquitoes-buzz-in-people-s-ears-for-dummies