Plinachtus

Body length 8.0–9.0 mm, maximal width of posterior lobe including humeral spine 3.10–4.10 mm. General coloration shiny orange to pale yellow with black to dark brown markings. Head dorsally with two black longitudinal stripes running between eye and ocellus; ocellar tubercle black; space between antenniferous tubercle and eye black; inner face of postocular tubercle black. Antennal segment I cylindrical, thickest, slightly curved outward; segments II and III cylindrical, slender; IV fusiform. Pronotum with anterolateral margins black; humeral projections black; anterior lobe of pronotal disk with middle third black; posterior lobe of pronotal disk with lateral area of upper third black; punctures of posterior lobe black. Scutellum with apex black. Connexival segments III to IX pale yellow. Legs and ventral surface pale yellow, with one black discoidal spot on metapleuron. Abdominal sterna without black spots surrounding spiracles. Male genital capsule with posteroventral margin laterally differentiated into prominent asymmetrical arms; arms lacking seta-like hairs; middle third lacking stout short lobe.

Literature