Ladder Backed Ethmia Moth

Male: FW length 9.5–9.8 mm (n = 3). Head: Labial palpus short without reaching antennal bases. Thorax: Pronotal scaling white, two transverse black lines, one between the tegulae and one across scutellum. FW white, crossed by black lines and a bright golden terminal margin. HW ground color white, becoming brownish toward apex; costal area with an exposed, thin hair pencil. Abdomen: Dorsal scaling of second segment bright ochreous, scaling of remainder gray-brown with pale posterior and lateral; genital scaling ochreous. Genitalia (Fig. 46) with uncus broad, hood-like; basal processes elongate, 1.5× uncus length; spines of anterior portion of gnathos thin, distal part of valva with apical notch at 0.25× length of valva. Female: FW length 10.9–11.3 mm (n = 3). Head and thorax: As described for male. HW unmodified. Abdomen: Genitalia (Fig. 91) with anterior apophyses slender; sterigma a bilobed fig; ductus bursae slightly sclerotized basally; signum a thin fold covering half of diameter of bursae with a row of short teeth.