Mosquito (1995)

Director: Gary Jones
Cast: Gunnar Hansen, Josh Becker, Kenny Mugwump, Mike Hard, Rachel Loiselle, Ron Asheton, Steve Dixon, Tim Lovelace

Synopsis:

An alien starship crashes in a swamp in a U.S. National Park. Some mosquitos begin to feed from the alien’s corpses, causing them to grow to the size of a vulture. These mutant insects became very agressive, killing every human being they find. Will the few survivors fight successfully against this nightmare…?