Rugitermes

Soldier. Head capsule small, rectangular in dorsal view with parallel lateral margins. Head length with mandibles 2.81–2.90 mm, head width max. 1.27–1.39 mm. Frons weakly concave with undulating rugosity extending to postclypeus. Antennal sockets pronounced, protruded, rectangular; antennal carinae with projecting dorsal and posterior margins not exceeding head width. Eye spots barely discernable, pale blotches behind antennal carinae. Third antennal article clavate, more pigmented than other articles. Mandibles dark reddish brown near base, grading to black from mid-length to tips; left mandible first marginal tooth three-fourths from tip. Pronotum width almost twice its length (1.27–1.39 mm wide, 0.63–0.70 mm long), anterior margin shallowly concave, anterolateral corners evenly rounded, with a few bristles and scattered setae on posterolateral margins. Pronotum pale yellowish, contrasting sharply with dark-castaneous head capsule. Occiput and posterior vertex grading from pale orange to yellow orange towards frons.

Literature