Wood (2007) distinguishes the species from T. bicornutus (Wood) by the smaller body size; and by the different arrangement of minor tubercules lateral to major spine of the declivity.
Wood (2007) reported the species boring in wood of broken branches and tree seedlings 2-7 cm in diameter. The tunnel was radial in the wood about 1 cm, then it branched, the branches turned transversely across the grain of woodand followed a growth ring to the opposite side of the branch where they usually anatomosed to form a complete ring. Masses of eggs were deposited in the tunnel. The larvae are xylomycetophagous and fed communally on the ambrosia mycelium and, eventually, on the wood as they expanded the original tunnel. About 20-50 larvae were produced in each gallery system examined. Wood, 1982: The female usually attacks cut or broken branches and tree seedlings 2-7 cm in diameter. The entrance tunnel extends directly into the wood to a depth of about 1 cm, then bifurcates and follows a growth ring both to the right and to the left, on the same transverse plane, and often meeting and joining on the opposite side of the branch. Masses of eggs are deposited in the tunnels. The larvae feed in congress upon the ambrosial fungus and, evidently, also upon the woody tissues, thus expanding the original gallery along the grain of the wood to form a large tabular chamber barely large enough to accommodate the mass of growing larvae. As many as 30-50 larvae may be produced by one female. Males are rare.