Leptothorax muscorum

Distribution
This taxon was described from Finland. It is also found in the United States.

Biology
Colonies of this species are found in dead Beargrass stems in Montana.

Additional References

 * [[Media:Brown 1955a.pdf|Brown, W. L., Jr. 1955a. The ant Leptothorax muscorum (Nylander) in North America. Entomol. News 66: 43-50 PDF]]