The female dune flys can live up to exactly 70 days the male dune flys can live up to 60 days exactly.
the sand or dune fly.
a sand dune that goes on in a long line
As long as they live/work ofcourse.
they can live to be at least 6 weeks on its own
A crane fly lives just long enough to mate...a few days
They vary
20 minutes
I would say that it probably depends on the size of the dune. It would take longer to walk across a high dune than it would to cross a low dune.
about 20 to 25 years
one to three weeks
About seventy days
Depends on the launching mechanism.