Norsia

Norsia is a genus of moth in the family Geometridae. There are 5 species classified under the genus norsia, as identified by Mr. F. Walker.

Species

Mas. Corpus - Male. Body rather slender. Proboscis of the usual length. Palpi stout, rising a little higher than the vertex; second joint obliquely ascending, with a Rhort thick fringe in front; third lanceolate, porrect, about one-third of the length of the second, with which it forms an obtuse angle. Antennze minutely crenulated. Abdomen extending much beyond the hind wings; apical tuft small. Legs stout; tibize with a long fringe; spurs moderately long. Wings broad, very long. Fore wings acute, hardly falcate; exterior border convex, very obliquc; interior border undulating, dilated near the base, excavated beyond the middle; second inferior vein about thrice as far from the third as from the first.

Norsia Vincta - Male. Pale reddish, pale reddish-cinereous beneath. fore wings with various oblique pale cinereous brown-bordered transverse lines. First line very near the base; second abbreviated; third and fourth very short, near the costa; fifth slightly antemedial; sixth very short; seventh more oblique than the others; eighth and ninth very short, near the interior angle; tenth near the exterior border. Hind wings fawn-colour; fringe pale cinereous. Length of the body 15 lines; of the wings 36 lines.

Boarmia Demissaria - Male. Whitish. Palpi blackish, obliquely ascending, not rising higher than the vertex; third joint extremely small. Antennae broadly pectinated. Abdomen not extending beyond the hind wings; apical tuft very small. Hind tibiae slightly incrassated. Wings brown-speckled, with three oblique lines of blackish points; first line antemedial; second postmedial, accompanied by a very incomplete brown hand, which is composed of clustering speckles; third submarginal; a blackish point in the disk between the first line and the second; marginal points black; underside with a dark-brown marginal band. Length of the body 7 lines; of the wings 22 lines.

Acidalia Fulvicosta - Female. Silvery white. Head brown, excepting the vertex. Palpi brown. Antenna: stout, very minutely pubescent. Abdomen rather shorter than the interior border of the hind wings. Legs smooth, slender. Wings slightly hyaline, thinly and very minutely speckled with cinereous. Fore wings acute, with a black point in the disk; Length of the body 5 lines; of the wings 15 lines.

Micronia Metargyria - Female. Pure white. Abdomen much shorter than the interior border of the hind wings. Wings with two pale brownish-cinereous lines; first line not oblique, extending from a little beyond one-fourth of the length of the costa of the fore wings, abbreviated at some distance from the exterior border of the hind wings; second at a little beyond three-fourths of the length in the fore wings, very near the border in the hind wings. Pore wings with three additional lines,the first near the base, the second at a little beyond the middle; the third marginal. Hind wings subcaudate; second line dilated, including a little silvery streak, bordered by a silvery line, interrupted by an ochraceous patch; this is connected with two deep-black spots, of which the largest is on the subcaudate angle. Length of the body 6 lines; of the wings 21 lines.

References

• Natural History Museum Lepidoptera genus database
• "Catalogue of the Homopterous Insects collected in the Indian Archipelago by Mr. A. R. Wallace, with descriptions of new species". Zoological Journal of the Linnean Society 9: 196–198. 1868. doi:10.1111/j.1096-3642.1868.tb02229.x. Retrieved 25 November 2011.