Boa vs. Python (2004)
After a genetically altered python escapes, a scientist is enlisted to help kill it by releasing a giant boa constrictor that he owns
Locusts: The 8th Plague (2005)
Top secret lab experiments have resulted in genetically engineered locusts that devour the flesh from any humans in their path When the swarm escapes, a determined researcher heads a team to stop the menace before it consumes the world