Characters;"T. chiangraiensis";"T. combfemorus";"T. choui" "Lateral ocellus situated on inner margin of eye";"Lower 1/5";"Lower 1/4";"Nearly in the middle" "Width of longitudinal furrow than width of 1st segment of antenna";Narrower;Equal;Wider "Lateral keel of prozona";"Normal (slightly shorter than width between them)";"Short, 0.5 time the width between them";Short "Distal part of hind process which surpass apex of hind femur";"1.5–2.5 mm";"3.3 mm (♀)";"♂3.5–4.0 mm, ♀ 2.8–3.0 mm" "Apex of posterior angle of lateral lobe of pronotum";"Nearly truncate";"Nearly truncate";Rounded "Lower margins of fore and mid femora";Normal;Comb-shaped;Normal "Color of lower outer side of hind femur";Black;"Partially dark brown";"The same color as body" "Upper valvulae of female";"3.0 times its width";"3.0 times its width";"2.0 times its width"