File:Seifert 2000 Fig 5.png

Figure 5. Head of the paratype queen of Formica fennica from nest No 1996.07.13-86. Scale bar: 400 μm.

Seifert, B 2000a. A taxonomic revision of the ant subgenus Coptoformica Mueller, 1923 (Hymenoptera: Formicidae). Zoosystema. 22:517-568.