Tibraca

Head longer than wide, anteocular region longer than wide; mandibular plates and clypeus nearly equal in length, apices of mandibular plates not contiguous; labial segment I between bucculae; antennal segments I and II equal in length, segment II longest. Pronotum trapezoidal, anterior angles distinctly toothed; anterolateral margins rectilinear. Scutellum with frenum distally wider than half basal width. Body length 9.00–16.00 mm, abdominal width 6.00–8.00 mm. Bucculae rectilinear, weakly developed, evanescent at base of head. Dorsal punctures of head regularly distributed; ventral punctures concentrated near antenniferous tubercles and base of bucculae. Pronotal cicatrices with internal angles bearing pale yellow callosity. Ostiolar ruga extending through 1/3 of evaporatory area width. Abdominal area between trichobothrial and lateral margins yellowish, with punctures almost as concentrated as on abdomen.

Literature