I doubt anyone will be able to give you an accurate identification without a better picture. If you could get one of the queen's whole body, and shine sunlight directly on the ants, that would help. That said, from the large initial batch of workers and size difference between queen and workers I would guess that they are Liometopum and therefore Liometopum luctosum, the only species of the genus in British Columbia. If they do not already have food, water and a sugar source like honey or sugar water then I would suggest giving them that immediately. Any liquids you feed them should be soaked into cotton to keep the ants from drowning.
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TestSubjectOne's Experiences in Antkeeping General Journal
Currently Keeping:
- Veromessor pergandei (1 queen, 600 workers)
- Novomessor cockerelli (1 queen, 200 workers)
- Myrmecocystus mexicanus (1 queen, 100 workers)
- Brachymyrmex patagonicus (3 queens?, 2,000 workers? & alates)
- Crematogaster sp. (1 queen, 600 workers)
- Liometopum occidentale (1 queen, 800 workers)
- Camponotus absqualator (1 queen, 130 workers)