6. Parena tesari species group

This species group contains two very similar and allopatric species distributed in East Asia, east to Taiwan and west to Nepal. They are characterized by: dorsum uniformly brown or piceous; tempora long, gradually narrowed behind eyes, length of tempora plus neck-constriction two-thirds of diameter of eye or more; mentum with a pair of short setae; pronotum nearly quadrate; elytral apices evenly rounded; median lobe of aedeagus slightly slender (AL/AW 4.5–5.0), apical lamella thin; gonocoxite II of ovipositor rectangular, apex with two to four ensiform setae on each angle.