Insecta - Hymenoptera - Formicidae

Alternative combination: Formica imhoffii

Synonym: Formica schmidtii Heer 1849

Full reference: O. Heer. 1849. Die Insektenfauna der Tertiärgebilde von Oeningen und von Radoboj in Croatien. Zweiter Theil: Henschrecken, Florfliegen, Aderflügler, Schmetterlinge und Fliegen 1-264

Belongs to Liometopum according to B. Bolton 2012

Sister taxa: Liometopum antiquum, Liometopum bogdassarovi, Liometopum eremicum, Liometopum lubricum, Liometopum miocenicum, Liometopum oligocenicum, Liometopum potamophilum, Liometopum scudderi

Type specimens:

• Liometopum imhoffii: Its type locality is Radoboj (unspecified or Heer coll), which is in a Burdigalian lacustrine limestone in Croatia
• Formica schmidtii: Its type locality is Radoboj (unspecified or Heer coll), which is in a Burdigalian lacustrine limestone in Croatia.

Average measurements (in mm): body 8.70 x 2.37, hindwing length 7.42, wing 10.6 x 3.4