Gymnoscelis tristrigosa

Gymnoscelis tristrigosa
	Gymnoscelis tristrigosa
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Geometridae
Genus:	Gymnoscelis
Species:	G. tristrigosa
Binomial name
	Gymnoscelis tristrigosa; (Butler, 1880)[1]
Synonyms
	Eupithecia tristrigosa Butler, 1880;

Gymnoscelis tristrigosa is a moth in the family Geometridae. It was described by Arthur Gardiner Butler in 1880. It is found from Sri Lanka and Taiwan to Fiji, Tonga and New Caledonia.[2]

Description

Its wingspan is about 22 millimetres (0.87 in). Palpi much shorter. Forewings long and narrow, especially in male. Body rufous, slightly with black irrorations (speckles). Head, thorax, and abdomen with black markings. Forewings with diffused black fascia from base of inner margin to the costa at the origin of the postmedial line, which is indistinct and angled at vein 4. The fascia then narrowing and continued above vein 4 to outer margin. Hindwings with a postmedial line highly angled at vein 6. A curved slightly waved submarginal line.[3]

The larvae feed on the young foliage and flowers of Heptapleurum species, often webbing them.

Taxonomy

The species belongs to a species complex clustered around Gymnoscelis imparatalis.

Subspecies

Gymnoscelis tristrigosa tristrigosa
Gymnoscelis tristrigosa nasuta Prout, 1958
Gymnoscelis tristrigosa tongaica Prout, 1958

References

Yu, Dicky Sick Ki. "Gymnoscelis tristrigosa (Butler 1880)". Home of Ichneumonoidea. Taxapad. Archived from the original on July 31, 2018. Retrieved July 30, 2018.
Holloway, Jeremy Daniel. "The Gymnoscelis imparatalis Walker complex". The Moths of Borneo. Retrieved March 7, 2019.
Hampson, G. F. (1895). The Fauna of British India, Including Ceylon and Burma: Moths Volume III. Taylor and Francis – via Biodiversity Heritage Library.

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[1] Yu, Dicky Sick Ki. "Gymnoscelis tristrigosa (Butler 1880)". Home of Ichneumonoidea. Taxapad. Archived from the original on July 31, 2018. Retrieved July 30, 2018.

[2] Holloway, Jeremy Daniel. "The Gymnoscelis imparatalis Walker complex". The Moths of Borneo. Retrieved March 7, 2019.

[3] Hampson, G. F. (1895). The Fauna of British India, Including Ceylon and Burma: Moths Volume III. Taylor and Francis – via Biodiversity Heritage Library.