Please answer the following question: Arethusana is a butterfly genus from the subfamily Satyrinae of the brush-footed butterfly family (Nymphalidae). It is composed of only one species Arethusana arethusa the False Grayling which can be found as far west as Morocco and as far eastward as SW. Siberia and N. Tian Shan.The wingspan is 4448 mm and the length of the forewings is 2125 mm. Adults are on wing from July to September.The larvae feed on various grasses including Festuca Bromus erectus Dactylis and Poa species. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Animal