Say you load a plane with 2,000 lbs worth of birds. If the birds fly in circles inside the plane, will it be able to take off? Find out on Moment of Science.
But unless you have a body like a kangaroo, the amount of energy needed to hop regularly when your mass is above a certain amount will be more than you can afford. Try hopping to work tomorrow instead of walking and see how long you can manage it.
However, mosquitoes, contrary to poplar belief, are not bugs. Another factor that comes into play is the fact that baby true bugs look like small wingless versions of adult true bugs.