Tetramorium simillimum ^HNS (Smith, 1851)

Myrmica simillima Smith ^HNS, 1851:118.

Workers and queen. Weakly sculptured, pale red much smaller than T. guineense ^HNS. Length of worker: 1.6-2 mm, queen: 2.2-2.5 mm. Male. Light yellowish red; occiput rounded. Length: 2.5 mm.

Biology. This cosmopolitan species occasionally occurs in heated glasshouses in Europe and has been recorded from Denmark and also on several occasions in England.