Merickel, F. W.; Clark, W. H. 1994. "Tetramorium caespitum (Linnaeus) and Liometopum luctuosum W. M. Wheeler (Hymenoptera: Formicidae): new state records for Idaho and Oregon, with notes on their natural history." Pan-Pac. Entomol. 70: 148-158.
Keywords: Lasius neoniger; Liometopum luctuosum; Tetramorium caespitum; Dolichoderinae; Formicinae; Myrmicinae; North America; USA; Idaho; Oregon; scientific; prey; distribution; habitats; natural history; impact; urban;