.3 levels (After Tier 5)

[SqueakySpider]

If development continues after Tier 5, here are some of the new enemies you could use for the .3 levels:
Black Ants:

-Garden Centipede

-Carpenter Ant

-Big-Headed Ground Beetle

Wood Ants:
-Maritime Earwig

-True Crabs

Leafcutters:

-Bullet Ant

-Vietnamese Giant Centipede

-Green anole

Fire Ants:

-Black Crazy Ants

-Epomis Beetle