Killing Bee (2005)

Original title: Satsujinbachi - kirâ bî

Death has a thousand stings - Get ready for a winged detour into toxic terror as a group of Japanese students on a field trip encounter a mutant strain of killer bees! Swarming, possessed of a mutant intelligence and deadly stings that cause the human body to explode from within, the bees seem to be hunting the surviving girls, picking them off one by one! But as horrifying as each venom-pulsing stab of death may be, the worst is yet to come!