Xylorycta luteotactella
Encyclopedia
Xylorycta luteotactella, commonly known as the macadamia twig girdler, is a moth
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

 of the Oecophoridae
Oecophoridae
Oecophoridae is a family of small moths in the superfamily Gelechioidea. The phylogeny and systematics of gelechoid moths are still not fully resolved, and the circumscription of the Oecophoridae is strongly affected by this....

 family. It is found in Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. The caterpillars cause economic damage to waratah and macadamia crops, the former by disfiguring the developing flowerheads.

Native to much of eastern Australia, it was first described by English entomologist Francis Walker
Francis Walker (entomologist)
Francis Walker was an English entomologist. He was one of the most prolific authors in entomology, and stirred controversy during his later life as his publications resulted in a huge number of junior synonyms....

in 1864 as Cryptolechia cognatella.
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