河南省小石蛾科分类研究(昆虫纲:毛翅目)  

Hydroptilidae(Insecta:Trichoptera) from Henan Proyince

作　　者：薛银根[1] 罗梅浩[1] 郭线茹[1] 

机构地区：[1]河南农业大学植保系

出　　处：《河南农业大学学报》1992年第4期353-356,共4页Journal of Henan Agricultural University

基　　金：河南省教委资助项目

摘　　要：本文报道了采自河南省林县、新安、郑州、宝天曼、信阳等地的小石蛾3属10种,其中宝天尖毛小石蛾 Oxyethira baotianensis,sp.nov.为新种。其余9种为:三带尖毛小石蛾 Oxyethira ecornuta Mor-ton、丹氏小石蛾 Hydroptila dampfi Ulmer、星期四小石蛾 H.thuna Olah、伊朗小石蛾 H.bajgirana Boto、莫氏小石蛾 H.moselyi Ulmer、匙小石蛾 H.cochlearis Xue et Yang、三角小石蛾 H.triangula Xue etYang、缘脉直毛小石蛾 Orthotrichia costalis(curtis)、特氏直毛小石蛾 O.traetti Mosely.确认了Hydropti-la triangularis Wells et Dudgeon和 Hydroptila apiculata Yang et Xue为Hydroptila thuna Olah的两个新的次定同物异名。文中记述了新种的形态特征,并附有生殖器图;编制了河南省小石蛾雄虫检索表。模式标本保存在河南农业大学昆虫标本室。Ten species of hydroptilid caddisflies from Henan province are reported in the present paper,in which,Oxyethira baotianensis sp. nov. is new to science. Others are:Oxyethira ecornuta Morton, Hydroptila dampfi Ulmer,H. thuna Olah,H. hajgirana Boto,H. moselyi Ulmer,h. cochlearis Xue et Yang,H. trianguia Xue et Yang, Orthotrichia costalis (Curtis), O. tragetti Mosely. Hydroptila triangularis Wells et Dodgeon and H. apiculata Yang et Xue are synonymized with H. thuna Olah. The new species is described and illustrated herein. A key to males of Hydroptilidae from Henan province is given. All typespecimens are deposited in the Insect collection of Henan Agricultural University. Oxyethira baotianensis,sp. nov. (Fig. 1-2) Male:Length of anterior wing 2. Omm. Antennae 31-segmented, 17～25 segments darker. Male genitalia (figl)——sternite Ⅶ with short,acute ventral process. Segment Ⅷ tergite and sternite fused; apical margins dorsally and ventrally excised, with no dorso-lateral processes. Segment Ⅸ mostly withdrawn into segment Ⅷ, lower half of segment Ⅸ triangular, almost reaching anterior margin of segment Ⅶ; upper half much shorter than lower, narrow arch-shaped. Postero-lateral processes of segment Ⅸ curved inwards. Tergite X obscure, membranous. Heavily sclerotised subgenital appendages fused basally. Below the subgenital appendages there are two pairs of short,membranous processes, each with a short apical seta. Inferior appendages more or less fused with the ventre of segment Ⅸ, formed a heavily sclerotised, setiferous structure, with its apical margin excised. Aedeagus stout,with two slender titillators arising at midlength and two strongly curved,sclerotised spines arising subapically and apically. This species belongs to the ramosa-group. It closely resembles 0. catula wells et Dudgeon (1990),but can be distinguished based on. (l)aedeagus of the new species with two slender titillators arising at midlength; (2)the new species with no finger-like processes dorso-lateral to the plate formed from

关 键 词：毛翅目 小石蛾科 新种 分类 河南 

分 类 号：Q969.412.6[生物学—昆虫学]