Do mosquitoes serve a purpose?

(WHTM) - We all have encountered these absolutely annoying creatures, especially during late spring and summer time. They descend on guests at barbeques - or any outdoor event really. Some even carry diseases such as the West Nile and Zika viruses.It's the dreaded mosquito. But do these pests serve a purpose?
Well, yes actually, and one you may not expect.Mosquitoes can infect their hosts with many diseases such as Malaria, Yellow Fever, West Nile Virus, and Zika (Getty Images)The National Wildl