Stigmatophora (Bifurcistigma) Zhang, Zhao & Han, 2025, subgen. nov.

SubgenusBifurcistigmasubgen. nov. TS. Stigmatophora obraztsovi Daniel, 1951, here designated. TL. Chekiang, “ Berge südlich Wenchow ” (China, Zhejiang). Diagnosis. Unlike members of subgenus Stigmatophora (Figs 7, 8, 19, 25) and Pseudomiltochrista (Figs 9–12, 20–22, 26), Bifurcistigma subgen. nov. (Figs 1–6, 13–18, 23–24) has the following characters (details for Stigmatophora and Pseudomiltochrista are in parentheses, respectively): 1) forewing ground color brown, with an orange band (mostly yellow, with a pattern or spots, partially orange; dark yellow, with rosy veins); 2) ground color of hindwing pale brown to pale blackish brown (mostly dark yellow, partially dark orange; light yellow, with rosy tint); 3) head and patagium orange (mostly yellow, partially red; yellow mixed with red); 4) thorax purple-grey (mostly dark yellow, partially light red and orange; brownish-yellow with red); and 5) abdomen pale brown to pale blackish brown (almost dark yellow, partially light red and orange; light yellow). Male genitalia: 1) uncus stout (others are thinner, ca 1 / 2 length of Bifurcistigma subgen. nov.; elongated); 2) valva without harpe (harpe small, thorn-like; broad, crest-like); 3) lamella centralis moderately sclerotized (others with no lamella centralis); 4) sacculus with a medial longitudinal sclerotized band at 1 / 3 of the length (with no medial process, except in S. flava; with a setose thorn-like medial process); 5) juxta with two lateral lobes each side (flat, shield-like; with dorsal process); and 6) cornuti in vesica dense, short, and stout, arranged in a U-shaped band (shortest, almost granular; longest, spine-like, and sparsely arranged). In the female genitalia: 1) posterior margin of 8 th sternite sclerotized and semicircular (membranous; irregularly dentate); 2) ductus bursae extremely broad, strongly sclerotized, roughened with wrinkles (elongate, thin, and weakly sclerotized, and smooth; thin, only sclerotized on left side); and 3) corpus bursae densely covered with spinules, without appendix bursae (other two with a strong spine-like scobination and narrow appendix bursae).