Mosquitoes bite vegetarians and meat eaters equally, although diet can have someone of an impact on which hosts a mosquito prefers to bite.
The main factor that determines whether a mosquitoes attracted to you or not are the chemicals that are present on your skin due to perspiration.
Scientists have shown that mosquitoes have the ability to detect 23 different chemical markers from perspiration.
It is not entirely known which foods increase the likelihood of being bitten by mosquitoes, but vegetarians are certainly not immune from mosquito bites.