A survey and analysis on butterfly coenosis in Xiaosanxia Forest Park of Tianzhu

from 2008 to 2010,the authors investigated,collected and analyzed Butterfly species in xiaosanxia Forest Park of Tianzhu between July and September.Specimens belonging to 77 species/subspecies,8 families and 54 genera were identified and classified.The families found,their number of genera and species and their respective proportion of all species,were: Pieridae,9 genera and 22 species(28.5%),Nymphalidae,17 genera and 17 species(22.08%),Lycaenidae,9 genera and 9 species(11.69%) Satyridae,13 genera and 14 species(18.18%),Parnassidae,1 genusera and 8 species(10.39%),Hesperiidae,3 genera and 3 species(3.9%),Papilionidae and Riodinidae,1 genusera and 2 species respectively(2.60%).Of 54 genera,45(83.33%) are single genera.The ratio of genera and species is 0.86.