''Petasactis'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

s belonging to the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Tineidae Tineidae is a family of moths in the order Lepidoptera described by Pierre André Latreille in 1810. Collectively, they are known as fungus moths or tineid moths. The family contains considerably more than 3,000 species in more than 300 genera. ...

. It contains only one species, ''Petasactis technica'', which is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...

. This species has not been collected since prior to 1888. It is classified as "Data Deficient" by the

Department of Conservation Department may refer to: * Departmentalization, division of a larger organization into parts with specific responsibility Government and military *Department (administrative division), a geographical and administrative division within a country, ...

Taxonomy

This genus was described by

Edward Meyrick Edward Meyrick (25 November 1854 – 31 March 1938) was an English schoolmaster and amateur entomologist. He was an expert on microlepidoptera and some consider him one of the founders of modern microlepidoptera systematics. Life and work Ed ...

in 1915. The species was also described by

in 1888 and named ''Ereunetis technica'' using a female specimen he collected at Whangarei Heads in December. In 1915 Meyrick reassigned this species to the genus ''Petasactis'' when he revised New Zealand

Tineina Tineidae is a family of moths in the order Lepidoptera described by Pierre André Latreille in 1810. Collectively, they are known as fungus moths or tineid moths. The family contains considerably more than 3,000 species in more than 300 genera. ...

George Hudson George Hudson (probably 10 March 1800 – 14 December 1871) was an English railway financier and politician who, because he controlled a significant part of the Railway Mania, railway network in the 1840s, became known as "The Railway King"—a ...

discussed this species in his 1928 book ''The Butterflies and Moths of New Zealand.'' The

holotype A holotype (Latin: ''holotypus'') is a single physical example (or illustration) of an organism used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of s ...

specimen is held at the

Natural History Museum, London The Natural History Museum in London is a museum that exhibits a vast range of specimens from various segments of natural history. It is one of three major museums on Exhibition Road in South Kensington, the others being the Science Museum (Lo ...

Description

Meyrick described the species as follows:

Distribution

This species is endemic to New Zealand. This species is only known to be present at its type locality.

Biology and behaviour

The biology of this species is largely unknown. Adult moths are on the wing in December.

Host species

It has been hypothesised that ''P. technica'' larva inhabit and consume dead leaves of large

monocots Monocotyledons (), commonly referred to as monocots, ( Lilianae '' sensu'' Chase & Reveal) are flowering plants whose seeds contain only one embryonic leaf, or cotyledon. A monocot taxon has been in use for several decades, but with various ranks a ...

or dead wood.

Conservation status

This species has been classified as having the "Data Deficient" conservation status under the

New Zealand Threat Classification System The New Zealand Threat Classification System is used by the Department of Conservation to assess conservation priorities of species in New Zealand. The system was developed because the IUCN Red List, a similar conservation status system, had s ...

. It has not been collected since Meyrick obtained the type specimen.

References

External links

Image of type specimen of Petasactis technica
Tineidae Monotypic moth genera Moths of New Zealand Endemic fauna of New Zealand Taxa named by Edward Meyrick Moths described in 1888 Tineidae genera Endemic moths of New Zealand {{Tineidae-stub