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Erechthias lychnopa
Scientific classification
E. lychnopa
Binomial name
Erechthias lychnopa
Meyrick, 1927

Erechthias lychnopa is a species of moth in the family Tineidae. This species is endemic to New Zealand. It is classified as "Data Deficient" by the Department of Conservation.


It was described by Edward Meyrick in 1927 from a specimen collected by George Hudson in November, in a karaka grove, near Sinclair Head, Wellington. Hudson discussed and illustrated this species in his 1928 publication The Butterflies and Moths of New Zealand. The holotype specimen is held at the Natural History Museum, London.


Meyrick described the species as follows:

♂ 15 mm. Head, thorax greyish mixed darker. Palpi grey mixed blackish, beneath whitish. Antennae grey tinged fulvous on basal half. Forewings grey irregularly irrorated blackish scales finely edged whitish; a white mark on middle of costal edge; upturned apical area with median portion dark grey mixed blackish and speckled white, above and below this triangular light orange-ochreous spots, line of flexure with whitish reflections: cilia grey-whitish with blackish subbasal and postmedian shades, above apex a blackish external hook. Hindwings dark grey, an apical spot of whitish speckling; cilia grey, round apex whitish-tinged with three dark grey lines.

In appearance this species is very similar to Erechthias externalla however it can be distinguished from this species as it is much larger.


This species is endemic to New Zealand. It has only been found at Sinclair Head, in Wellington.

Biology and behaviour

The larvae of this species are likely to inhabit dead wood. The adult moths are on the wing in November. The habitat these moths have frequented is scrub forest.

Conservation status

This species has been classified as having the "Data Deficient" conservation status under the New Zealand Threat Classification System.

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