Bruand, 1851[verification needed]
Tichonia (auct. non Hübner, 1825: misidentification)
Crassa is a genus of the concealer moth family (Oecophoridae). Among these, it belongs to subfamily Oecophorinae. The genus name Tichonia, established by J. Hübner in 1825, was frequrently misapplied to these moths by earlier authors. But as the type species of Hübner's genus is the greenweed flat-body moth – originally described as Tinea atomella, but nowadays called Agonopterix atomella –, Tichonia is actually a junior synonym of Agonopterix. That genus does belong to the same superfamily (the Gelechioidea) as Crassa, but is placed in the concealer moth subfamily Depressariinae which is sometimes treated as distinct family.
- Pitkin, Brian & Jenkins (2004a,b), and see references in Savela (2001)
- See references in Savela (2001)
- Pitkin, Brian & Jenkins, Paul (2004a): Butterflies and Moths of the World, Generic Names and their Type-species – Crassa. Version of 2004-NOV-05. Retrieved 2010-APR-27.
- Pitkin, Brian & Jenkins, Paul (2004b): Butterflies and Moths of the World, Generic Names and their Type-species – Tichonia. Version of 2004-NOV-05. Retrieved 2010-APR-27.
- Savela, Markku (2001): Markku Savela's Lepidoptera and some other life forms – Crassa. Version of 2001-NOV-07. Retrieved 2010-APR-27.
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