FIGURES 1–2. Fig. 1 in Taxonomic revision of the Palaearctic Tetramorium chefketi species complex (Hymenoptera: Formicidae)

FIGURES 1–2. Fig. 1. Measurement method and reference lines for the length of the petiolar node (NOL), the distance between the posteriormost point of the petiole and the petiolar spiracle (PEL), and the length of the postpetiole in lateral view (PPL). Fig. 2. Measurement method and reference lines for the height of the petiolar node (NOH), the height of the petiole (PEH), the height of the postpetiole in lateral view (PPH), the length of propodeal teeth, measured in lateral view from the tip of spine to the propodeal spiracle (SPSP), and the minimal distance between propodeal spiracles and the propodeal declivity (SPL).