T. giganteus group

Extremely large species (32–35 mm), body dark brown with reddish or reddish brown elytra (Fig. 104). Head with interior ocular puncture situated far from inner margin of eye, ocular groove between interior ocular puncture and inner border of eye absent, temples without setiferous postocular punctures (Fig. 105, 109), labrum lobate (Fig. 110).