7222.      Not sure what this is but I see them in clusters. Toronto, ON. Canada

Number 7222. This is a springtail, a primitive arthropod in the order Collembola, closely related to true insects. These basically are harmless scavengers on bits of decomposing organic matter, but they can become nuisance pests when they occur indoors in large numbers. They are quite susceptible to desiccation, so keeping indoor humidity levels as low as practical is the best control. Springtails Detailed Information