A new species in the genus Dimorphacanthella(Collembola: Isotomidae) from Sichuan Province, Southwest China  

中国四川省二型刺等?属一新种记述(弹尾纲:等节?科)

作　　者：Yunxia GAO Yun BU Lin HE Kai LI 高云霞;卜云;何琳;李恺(华东师范大学生命科学学院,上海200241;上海科技馆,上海自然博物馆自然史研究中心,上海200241)

机构地区：[1]School of Life Sciences,East China Normal University,Shanghai 200241,China [2]Natural History Research Center,Shanghai Natural History Museum,Shanghai Science&Technology Museum,Shanghai 200041,China

出　　处：《Entomotaxonomia》2020年第1期1-5,共5页昆虫分类学报（英文）

基　　金：We sincerely thank Mr.Chengwang HUANG for his help in the collection;This study was supported by the National Natural Science Foundation of China(31772509);the Natural Science Foundation of Shanghai(17ZR1418700).

摘　　要：Dimorphacanthella sichuanensis Gao & Bu sp. nov. from Sichuan Province, China is described. It is characterized by the presence of two pairs of sensilla on Abd. Ⅲ, 4 + 4 axial setae on Abd. Ⅱ and Ⅲ with Md seta present, and Abd. V with two pairs of slender medial sensilla and two pairs of thick lateral sensilla. The three known species of this genus are compared in detail.记述采自中国四川的等节?科1新种:四川二型刺等?Dimorphacanthella sichuanensis Gao&Bu sp. nov.,其主要特征是腹部第Ⅲ节背板具有2对感器;腹部第Ⅱ、Ⅲ节背板分别具有4+4中轴毛,具有Md毛;腹部第V节后缘具有2对细长的中间感器,侧面着生2对较粗的感器。文中还对该属已知种进行了区别比较。

关 键 词：SPRINGTAILS CHAETOTAXY SENSILLA taxonomy 

分 类 号：Q969[生物学—昆虫学]