Character;Categories "Body length (in µm)";small;medium;large "< 2000";2000–3000;"> 3000" "Head shape in frontal view (head breadth/head height)";round;oval "< 1.31";"> 1.31" "Mesosoma shape in dorsal view (head breadth/mesoscutum breadth)";robust;"of medium breadth";slender "< 1.20";1.20–1.50;"> 1.50" "Antennae distance (antennae distance/torulus diameter)";close;"far apart" "< 1.33";"> 1.33" "Distance from antennal insertion to eye (distance from antennal insertion to eye/torulus diameter)";"same level as eyes";short;long 0;"< 1.1";"> 1.1" "Pronotum shape in dorsal view (pronotum breadth/pronotum length)";"large and elongated";"of medium length";"short and slim" "< 2.5";2.5–3.5;"> 3.5" "Petiole length (petiole length/petiole breadth)";short;medium;long;"very long" "< 1.5";1.5–2.0;2.0–2.5;"> 2.5" "Gaster length (gaster length/mesosoma length)";short;medium;long "< 1.20";1.20–2.0;"> 2.0"