When Dr. Lee pulls up a diagram of the R75 bug, it indicates that the specimen shown is a male. However, Dr. Myers stated earlier that the insects reproduced asexually, meaning they have no distinct sexes.
Woolsey's footsteps in the cave when he walks away from Sam make the sound of walking on a wood floor, not a rock cave floor.
When the team members shoot at the ground outside the research site there are no bullet impacts on the ground.