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Helastia siris
Helastia siris is a species of moth in the family Geometridae. This species is endemic to New Zealand and is found in the Wellington region as well as on Stephens and the Chatham Islands. It is classified as "At Risk, Relict'" by the Department of Conservation. H. siris inhabits coastal tussock grassland. Little is known of the biology of this species. Adults have been observed on the wing in March and September. Adults are nocturnal and are attracted to light.
From the article Helastia siris on Wikipedia (CC BY-SA), quoted section by section
Description
Hudson described the species as follows:
The expansion of the wings is about 7⁄8 inch. The fore-wings are dull ochreous; there is a small curved brown patch near the base; then a pale band, followed by a very broad brown central band, paler in the middle; there is a very sharp projection on the outer edge of the central band, a conspicuous black dot in the centre of the wing, and a series of minute black dots on the termen. The hind-wings are pale ochreous, with a faint central transverse line.
Range & habitat
This species is endemic to New Zealand. It occurs in Wellington, Stephens Island and in the Chatham Islands. It has been collected from Baring Head.
Wikipedia: “Distribution”
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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Every page naming Helastia siris in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 390332.