You may think you have, but “giant mosquitoes” (also sometimes called “mosquito hawks”) aren't actually mosquitos at all. They're a distinct species called
Are the big mosquitoes bad?
Crane flies, also known as mosquito hawks and mosquito eaters, are giant insects that resemble big mosquitoes. Despite their appearance, these large insects are completely harmless when fully mature. ... Unfortunately, they don't eat mosquitoes or help control mosquito populations.
Do the big Looking mosquitoes bite?
Where do they breed? Those giant "mosquitoes" are a type of crane fly also known as mosquito hawks. Crane flies don't bite, and they don't eat mosquitos.