Stenoloba viridicollar Pekarsky

Male. (Fig. 1). Wingspan 22 mm. Head and collar greenish grey, thorax blackish grey, with rufous mesothorax and blackish-grey tegulae mixed sparsely with rufous scales; abdomen blackish grey. Forewing relatively short, slightly dilated towards outer edge; costa arched basally; apex finely pointed; outer margin more oblique and straighter than inStenoloba rufosagittoidesand even more so than inStenoloba rufosagitta.Ground colour of forewing blackish brown, wing pattern diffuse, less traceable than inStenoloba rufosagittoides; basal field and costal area with small greenishpatches between crosslines; crosslines dark blackish grey, basal line relatively strongly marked; subbasal line defined indistinctly by green scales; antemedial line S-shaped, obsolescent; medial area somewhat darker than ground colour; postmedial line undulate; subterminal line present but indistinct; typical noctuid maculation hardly recognisable, reniform stigma somewhat more sharply defined with some black and rufous spots; inner margin with conspicuous rufous “pirate sword”-shaped stripe extending from base of wing to postmedial line; tornal patch rufous with white scalesinside and with black scales outside; termen suffused with green; cilia as for ground colour. Hindwing uniformly dark brown, discal spot hardly traceable. Female. (Fig. 2) as for male but somewhat larger in size (wingspan 24 mm), with less expressed forewing pattern.

The species is known only from the type-locality, South-West China, Prov. Sichuan, Lao Lin Kou.