Comprehensive Description

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Description. Adults. Male and female similar in size, color, and maculation. Head – Male antenna with flagellomeres very slightly swollen laterally; setae tending to group into two or three clusters on each side of each segment. Palpi and head mainly of broad apically serrated dark-brown scales with a speckling of gray scales on sides of palpi. Thorax – Scales similar in shape to those on head, dark brown to blackish brown, similar in color to basal area of fore­wing; a slightly divided dorsal tuft on metathorax. Legs: Covered with gray-brown scales with white band in middle of tibiae and at apices of tarsal segments. Tibia without spiniform setae. Wings: Fore­wing length: 11–12 mm. Dorsal fore­wing ground color variable by area; basal and antemedial areas and medial area between reniform spot and postmedial line dark brown to blackish brown; remainder of medial area usually either pale orange brown, reddish brown, with a few intermediates; subterminal and terminal areas a mixture of brown, hoary gray, and blackish brown with hoary gray predominating in subterminal area, brown in terminal area, and blackish brown mainly forming a patch in subterminal area adjacent to costa; basal, antemedial and postmedial lines black, narrowly bordered by a pale line; subterminal line diffuse; reniform, orbicular, and claviform spots, and medial line, a shade darker than medial area ground color, not contrasting, but reniform spot sometimes with partial pale-gray outline; fringe dark gray brown with tiny yellow dots at base between wing veins. Dorsal hindwing pale fuscous with darker on discal spot, veins, postmedial line, and wing margin. Fringe pale buff with fuscous medial line. Male genitalia – Uncus mainly cylindrical, slightly swollen dorsally toward base, tapered to spine-like apex. Valve strap-like, mainly parallel sided but slightly tapered apically; apex of valve with corona on outer margin; digitus mainly fused to costal margin of valve except for short tapered apex; apical part of clasper slender and upcurved, with dorsal process near base; dorsal part of basal rod extending from clasper to dorsal margin of valve a large rounded process extending beyond dorsal margin of valve; apical part of sacculus beyond postmedial suture slightly less heavily sclerotized than basal part. Aedeagus irregularly sclerotized, with narrow sclerite extending onto vesica on right as far as base of cornutus. Vesica about as long as aedeagus, with large basally-stout, apically-angled postmedial cornutus. Female genitalia – Corpus bursae oval, slightly longer than ductus bursae with ductus seminalis at posterior end of corpus bursae. Ductus bursae with posterior 3/4 heavily sclerotized, slightly wider posteriorly, with irregularly sclerotized suture separating ductus bursae from heavily sclerotized rounded plate of ostium bursae.


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Source: ZooKeys

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