This species was first described in 1888 by Edward Meyrick using specimens collected on Mount Arthur in January.[3] Meyrick originally named this species Cremnogenes siderota. In 1915 Meyrick placed this species within the Borkhausenia genus.[4] In 1926 Alfred Philpott studied and illustrated the genitalia of the male of this species.[5]George Hudson discussed and illustrated this species under the name B. siderota in his 1928 publication The butterflies and moths of New Zealand.[6] In 1988 Dugdale placed this species in the genus Tingena.[2] The female lectotype is held at the Natural History Museum, London.[2]
Description
Meyrick described this species as follows:
Male, female.—16–18 mm. Head, palpi, antennæ, thorax, abdomen, and legs dark fuscous; collar ferruginous; antennæ in male clothed throughout with scattered cilia (1), with longer fasciculated series (2); patagia with small ochreous-whitish apical spot. Forewings elongate, costa moderately arched, apex obtuse, hindmargin rounded, rather strongly oblique; deep ferruginous, more or less irrorated and suffused with dark grey, especially in male; a small ill-defined yellowish spot on base of inner margin, and another beyond middle, in female much more distinct than in male; two pale leaden-grey-metallic irregular angulated transverse lines, first about 1⁄5, second about 1⁄3, second in female forming a whitish-ochreous triangular spot on costa; a pale leaden-grey-metallic ring in disc beyond middle; a pale leaden-grey-metallic line from costa near before apex to anal angle, slightly bent in middle, extremities forming whitish-ochreous spots, more distinct in female: cilia dark grey, basal half light ferruginous, with a pale yellowish spot beneath anal angle. Hindwings dark fuscous-grey; cilia grey, with a darker basal line.[3]
This species can be distinguished from its close relatives because of its brilliant colour and the leaden-metallic fasciae.[5]
Distribution
This species is endemic to New Zealand and has been observed at its type locality of Mount Arthur as well as Arthur's Pass.[1][7] This species has also been observed in the Hawkes Bay.[8] It is regarded as being a rare species.[6]
Behaviour
The adults of this species are on the wing in January.[6]
Habitat
This species has been collected at altitudes of around 4500 ft and is said to be abundant on the flowers of Aciphylla.[3]