Cosmopterix

Small-sized moths with forewing length 2.9–6.9 mm; wings narrowing toward apex. Head: vertex and neck tufts shining dark brown with reddish gloss, medially and laterally narrowly lined white; frons shining grey with greenish and reddish reflections. Labial palpus: first segment very short, grey; second segment four-fifths length of third, both segments dark brown, dorsally and ventrally lined white. Antenna: scape dorsally shining brown with reddish gloss and white anterior line, ventrally shining white. Thorax and tegulae shining dark brown with reddish gloss; thorax with white medial line, often widening posteriorly; tegulae narrowly lined white inwardly. Forewing with bright orange-yellow transverse fascia beyond mid length, narrowing in dorsal half; subcostal line starting from wing base. Hindwing shining brownish grey with reddish and greenish gloss. Underside of forewing shining greyish brown, white costal and apical line distinctly visible. Legs: foreleg with white line on tibia and tarsal segments one to three and five; midleg tibia with white oblique basal and medial lines and white apical ring, tarsal segments one and two with greyish white apical rings, segment five white; hindleg similar to midleg, tarsal segments one to four with narrow white apical rings, segment five dorsally white. Abdomen dorsally shining ochreous-brown with reddish golden gloss, laterally shining grey, ventrally shining grey, segments broadly banded white posteriorly. Posterior edge of sternite VII deeply concave with very large convex hump in centre. Corpus bursae elongate, with two small crescent-shaped signa.

Literature