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For the ground beetle genus erroneously named Amastus by Motschulsky in 1865, see Rhytisternus.

Amastus maasseni - NZ.png
Amastus maasseni imago
Scientific classification edit
Kingdom: Animalia
Phylum: Euarthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Erebidae
Subtribe: Phaegopterina
Genus: Amastus
Walker, 1855
Type species
Phaegoptera collaris
Herrich-Schäffer, [1853]

Amastus is a genus of arctiine tussock moths in the Erebidae family.


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.[1]

Selected species[edit]

Species of Amastus include:

"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.


  1. ^ Pitkin & Jenkins (2004ab), Schmidt (2009)


External links[edit]