. Two species of the moth genus Pero Herrich-Schäffer, 1855 (Lepidoptera, Geometridae, Ennominae, Odontoperini) are added to the fauna of the Andes of southern Peru in the Arequipa Department. Pero lopezi Vargas & Palacios sp. nov. is described and illustrated based on male adults collected in Pocsi, at 2900 m elevation. Pero atridisca Dognin, 1906, previously known from Angasmarca (La Libertad), is recorded for the first time in Arequipa, significantly expanding its distribution range.

中文翻译：

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秘鲁南部安第斯山脉的PeroHerrich-Schäffer的新物种和新纪录，1855年（鳞翅目，鳞翅目）

。1855年，蛾属PeroHerrich-Schäffer的两个物种（鳞翅目，尺Geo纲，Ennominae，Odontoperini）被添加到秘鲁阿雷基帕省南部安第斯山脉的动物群中。Pero lopezi Vargas和Palacios sp。十一月 根据在Pocsi海拔2900 m采集的雄性成虫进行描述和说明。Pero atridisca Dognin，1906年，以前从Angasmarca（La Libertad）知道，在Arequipa首次记录，大大扩展了其分布范围。