中国毡蚧科一新种记述(同翅目:蚧总科)  

A new species of the family Eriococcidae (Homoptera: Coccoidea) from China.

作　　者：魏筱[1] 武三安[1] 

机构地区：[1]北京林业大学资源与环境学院

出　　处：《北京林业大学学报》2004年第4期61-65,共5页Journal of Beijing Forestry University

摘　　要：该文记述了采自北京的毡蚧属 1新种———栾树毡蚧Eriococcuskoelreuteriussp .nov .,详细描述和图示了各虫态的形态特征 ,并与近似种山杏毡蚧EriococcusarmeniacusTang(1995 )进行了比较 ,二者均可依据肛前刺 2根 ,尾瓣内缘锯齿状 ,而明显区别于本属的其他种类 .新种的雌成虫与山杏毡蚧的雌成虫区别特征为 :前者触角 7～ 8节 ,触角7节时 ,第 4节最长 ,触角 8节时 (第 4节分化为 2节 ) ,第 3节最长 ;后者触角 6～ 7节 ,第 3节最长 .前者体背缘刺每腹节每侧 2根 ,后者每腹节每侧 3根 .This paper describes a new species of Eriococcus in Beijing——Eriococcus koelreuterius sp. nov., elaborately depicts and illustrates its morphological characteristics of all stages. This new species is also compared with a similar species——Eriococcus armeniacus Tang(1995) in morphology. Their female adults can be distinguished by the following characters: 1) antenna in 7--8 (usually in 7) segments, if in 7 segments (the 4 th and 5 th are united), the length of segment Ⅳ is the longest, if in 8 segments, then segment Ⅲ is the longest; 2) marginal dorsum with 3 spines on each abdominal segment. The type specimens are preserved at Entomological Specimen Room of Beijing Forestry University.

关 键 词：毡蚧科 新种 北京 栾树 

分 类 号：S763.49[农业科学—森林保护学]