广西山口红树林自然保护区蝶类资源考察报告

广西山口红树林自然保护区的蝶类有7科30属46种,以粉蝶科、蛱蝶科的种类较多,分别占总种类数的26.1%和23.9%.不同季节的蝴蝶种类和数量分布不均匀,春、夏、秋、冬季的蝴蝶种类数分别为15种、36种、39种和11种,捕获的数量分别占18.6%、32.2%、40.9%和8.3%.春季常见的蝶类为美目蛱蝶(Junonia almana almana)、珐蛱蝶指名亚种(Phalanta phalantha phalantha)、橙粉蝶(Ixias pyrene)和达摩凤蝶(Popilio demoleus)等;夏季常见蝶类为酢浆小灰蝶指名亚种(Pseudozizeeria maha maha)、幻紫斑蛱蝶海南亚种(Hypolimnas bolina kezia)、波蛱蝶(Ariadne ariadne)和青粉蝶海南亚种(Pareronia valeria hainanensis)等;秋季常见蝶类为虎斑蝶指名亚种(Danaus genutia genutia)、青粉蝶海南亚种(Pareronia valeria hainanensis)、紫灰蝶(Chilades lajus)和黑脉圆粉蝶指名亚种(Cepora nerissa nerissa)等;冬季的常见种为黑脉圆粉蝶指名亚种、无标黄粉蝶云南亚种(Eurema brigitta yunnana)和达摩凤蝶(Popilio demoleus)等.仅有6种蝴蝶可在一年四季采集到.区系成分以东洋种为主,占60.9%,东洋古北兼有种占36.9%,广布种仅占2.2%.蝴蝶群落多样性指数以秋季为最高.

Survey of Butterfly Resources of Shankou Natural Reserve of Mangrove in Guangxi

The total number of butterflies in Shankou Natural Reserve of Mangrove in Guangxi is 46 species which belong to 7 families and 30 genera. The families of more species are Pieridae and Nymphalidae, making up 26.1% and 23.9%, respectively. The distribution of species and its number are not uniformity in different seasons of a year. The number of species in spring, summer, autumn and winter is 15, 36, 39 and 11 respectively. The numbers captured in spring, summer, autumn and winter make up 18.6%, 32.2%, 40.9% and 8.3% respectively. In spring, the common species are Junonia almana almana, Phalanta phalantha phalantha, Ixias pyrene and Popilio demoleus, etc. In summer, the common species are Pseudozizeeria maha maha, Hypolimnas bolina kezia, Ariadne ariadne, Pareronia valeria hainanensis, etc. In autumn, the common species are Danaus genutia genutia, Pareronia valeria hainanensis, Chilades lajus, Cepora nerissa nerissa, etc. In winter, the common species are Cepora nerissa nerissa, Eurema brigitta yunnana, Popilio demoleus, etc. There are only 6 species of butterflies being collected around year. The main element of fauna is oriental species which make up 60.9%, and the oriental-palaearctic and world-wide distribution species make up 36.9% and 2.2%,respectively. In autumn,the index of butterfly diversity was the highest.