Very little, aside from annoy gardeners and groundskeepers by eating grass roots, before becoming a new generation of crane flies.
check out this website: http://www.enature.com/fieldguides/detail.asp?recNum=IS0067 According to this website, the Giant Crane Fly doesn't eat, but it's larvae eats decaying plant matter. Therefore the purpose of the Giant Crane Fly would be: it's larvae helps break down plant matter back to soil.
Another name for the "Crane fly" is the "Daddy long legs"
You don't. The crane fly (daddy long legs) larvae live underground by eating grass roots. The crane fly is totally harmless to humans and is valuable food for birds.
A crane fly with spots on its wings is likely a variety of crane fly that exhibits distinct markings, which can vary by species. Crane flies belong to the family Tipulidae and are often mistaken for mosquitoes due to their long legs and slender bodies. The spotted wings may serve as a form of camouflage or a mating display. These insects are generally harmless and are often found in damp habitats, where their larvae thrive in moist soil or decaying organic matter.
The big mosquito-looking bug that is not a crane fly is likely a mosquito hawk, also known as a crane fly.
Fly with the Crane - 2012 is rated/received certificates of: Singapore:PG13
From flies, they are fly larvae.
A crane fly lives just long enough to mate...a few days
......... YES
it is 5 cm
Tipula simplex.
Various insects look similar to the crane fly. If it looks alike but has a stinger it could potentially be a mosquito.