Crossophora
Encyclopedia
Crossophora is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of gelechioid moths from eastern 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...

. It belongs to the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by 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....

, and therein to subfamily Oecophorinae
Oecophorinae
| image = Philobota1.jpg| image_width = 250px| image_caption = Adult of Philobota arabella or a related species,Aranda | regnum = Animalia| phylum = Arthropoda| classis = Insecta| ordo = Lepidoptera| subordo = Glossata| infraordo = Heteroneura...

. As regards described species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

, it is presently monotypic
Monotypic
In biology, a monotypic taxon is a taxonomic group with only one biological type. The term's usage differs slightly between botany and zoology. The term monotypic has a separate use in conservation biology, monotypic habitat, regarding species habitat conversion eliminating biodiversity and...

. But at least one undescribed species is known to exist:
  • Crossophora semiota Meyrick, 1886
  • Crossophora sp. 'Queensland-Victoria'


Formerly, several related species were placed here too; indeed, the type species
Type species
In biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...

 was only described after the genus had been established. All other supposed Crossophora were subsequently moved to other genera, but C. semiota was considered to be too distinct to be incorporated elsewhere. The genus name is valid because it was published as part of a single-access key
Single-access key
A 'key' in Biology is a modeling method used for categorizing species using logical choices. A single-access key is a key where the sequence and structure of identification steps is fixed by the author of the key...

, and because the description of C. semiota was accompanied by a full description of the genus.

The caterpillar
Caterpillar
Caterpillars are the larval form of members of the order Lepidoptera . They are mostly herbivorous in food habit, although some species are insectivorous. Caterpillars are voracious feeders and many of them are considered to be pests in agriculture...

s of these moths feed on dead leaves of Eucalyptus
Eucalyptus
Eucalyptus is a diverse genus of flowering trees in the myrtle family, Myrtaceae. Members of the genus dominate the tree flora of Australia...

, which they spin together with silk
Silk
Silk is a natural protein fiber, some forms of which can be woven into textiles. The best-known type of silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity...

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