If Starship Troopers were too subversive and political for you, you should really enjoy Terra Formars. The manga film adaptation by Japan's over-director Takashi Miike is wonderfully over-the-top nonsense, which is easily forgiven for its (in places) bad tricks and the dubious mutant design (which is due to the original). You will be rewarded with probably the most brazen Bladerunner quote of all time and a lot of the most absurd insect superpower action.
In 2599 the earth is close to collapse thanks to overpopulation. 500 years earlier, scientists had wisely set an emergency plan in motion to enable humanity to emigrate to Mars. To do this, they had sent moss and cockroaches on a journey into space to make the red planet habitable and to initiate a terraforming process there. When the first exploration team did not return from their expedition centuries later, they sent the BUG 2 mission on a suicide mission: thanks to the inhospitable environment, the cockroaches mutated into super beetles in record time and must now be exterminated in order to ensure human survival.