|Amastus maasseni imago|
The delimitation of Amastus versus Hemihyalea has long been problematic. It was recently determined that the type species of Hemihyalea (the old Phaegoptera cornea) is closely related to that of Amastus (P. collaris) to warrant inclusion in the present genus. That determination led to the reestablishment of the genus Pseudohemihyalea for the more distantly related group of species around "H." schausi. There is no consensus yet on whether to include the remaining Hemihyalea species in Amastus.
Species of Amastus include:
- Amastus bicolor (Maassen, 1890)
- Amastus cellularis Rothschild, 1922
- Amastus collaris (Herrich-Schäffer, )
- Amastus maasseni (Rothschild, 1909)
- Amastus modesta (Maassen, 1890)
- Amastus mossi (Rothschild, 1922)
- Amastus muscosa (Rothschild, 1909)
- Amastus rubicundus (de Toulgoët, 1981)
- Amastus rufocinnamomea (Rothschild, 1909)
- Amastus rufothorax de Toulgoët, 1999
- Amastus umber Rothschild, 1909
- Amastus walkeri (Rothschild, 1922)
"A." lehmanni as described by Rothschild in 1910 is now in Opharus. The homonymous species described by Rothschild in 1916, now renamed "A." popayanensis, is one of those disputed between Amastus and Hemihyalea.
- Pitkin & Jenkins (2004ab), Schmidt (2009)
- Pitkin, Brian & Jenkins, Paul (2004a): Butterflies and Moths of the World, Generic Names and their Type-species – Amastus. Version of 2004-NOV-05. Retrieved 2011-DEC-25.
- Pitkin, Brian & Jenkins, Paul (2004b): Butterflies and Moths of the World, Generic Names and their Type-species – Hemihyalea. Version of 2004-NOV-05. Retrieved 2011-DEC-25.
- Schmidt, B. Christian (2009): Revision of the "Aemilia" ambigua (Strecker) species-group (Noctuidae, Arctiinae). ZooKeys 9: 63-78. doi:10.3897/zookeys.9.149 PDF fulltext
- Natural History Museum Lepidoptera generic names catalog
- Savela, Markku (2010): Markku Savela's Lepidoptera and some other life forms – Amastus. Version of 2010-MAR-16. Retrieved 2011-DEC-25.
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