Sowbug

7089.        Found this bug stuck in the insect trap by balcony doors. Toronto, Ontario. Canada

Number 7089. This is a sowbug, a terrestrial crustacean in the order Isopoda; the vast majority of these are harmless scavengers on decomposing organic matter. They breathe through gills that must be kept moist, so keeping your environs as dry as possible will discourage them from staying. Click here for more information