Morphological comparison of the Tapinoma shattucki holotype queen A, E and a paratype male B, D, F in lateral A, B dorsal D and full-face E, F view. For the dorsal view of the T. shattucki queen C, a dealate paratype was photographed. The type series was collected in Stow, Massachusetts and belongs to a single nest series with the collection code SPC 7633. Scale bar: 0.5 mm (A–F).