Notes on Catasticta thomasorum Jasinski and Catasticta rosea Joicey & Rosenberg from Ecuador (South America), with description of a new subspecies of Catasticta thomasorum. (Lepidoptera: Pieridae). Lambillionea, 104(1)(Tome I), Mars 2004: 81-85. 82 [Zoological Record Volume 140]