No.;"Measurements in mm (n = 11).";Mean;SD;Range 1;"Head length to tip of mandibles";2.75;0.11;2.50–2.95 2;"Head length to frontal horns";1.72;0.10;1.54–1.90 3;"Frontal flange width";1.03;0.04;0.92–1.08 4;"Genal horns outside span";1.12;0.05;1.02–1.19 5;"Head width max.";1.23;0.06;1.14–1.32 6;"Head height excluding postmentum";0.99;0.06;0.85–1.08 7;"Pronotum max. width";1.19;0.07;1.05–1.27 8;"Pronotum max. length";0.82;0.05;0.73–0.87 9;"Left mandible length, tip to ventral condyle (n = 1)";1.10;-;- 10;"Total length";6.57;0.44;5.43–6.98 11;"No. antennal articulations";11;0.7;10–12