Austrocidaria umbrosa
Austrocidaria umbrosa is a species of moth of the family Geometridae. It endemic to New Zealand and has been observed in the South Island in Fiordland. Adults have been recorded as being on the wing in December, January and March. They are nocturnal and have been collected on and around ''Dracophyllum longifolium.''
Taxonomy
This species was first described in 1917 by Alfred Philpott using specimens collected at Mount Cleughearn in Fiordland at around 3,250 ft and named Xanthorhoe umbrosa. In 1928 George Hudson discussed and illustrated this species under that name in his book The butterflies and moths of New Zealand. In 1988 John S. Dugdale placed this species in the genus Austrocidaria. The male holotype specimen is held at the New Zealand Arthropod Collection.Description
Philpott described this species as follows:This species is similar in appearance to Austrocidaria cedrinodes but can be distinguished as a result of its larger size.