中国目水螟属研究及一新种记述(鳞翅目 :草螟科 :水螟亚科)(英文)

A Study on the Genus Nymphicula Snellen, 1880 (Lepidoptera: Crambidae: Nymphulinae) from China, with Description of One New Species

目水螟属 Nymphicula Snellen已知 2 4种 ,分布于古北区、东洋区和澳洲区。中国已知5种。本文记录中国目水螟属 7种 ,其中直缘目水螟 Nymphicula saigusai Yoshiyasu为中国新记录种 ,凹瓣目水螟 Nymphicula concaviuscula,sp.nov.为 1新种。文中提供了新种两性外生殖器特征图及中国已知种检索表。模式标本保存于南开大学生物系。凹瓣目水螟 Nymphicula concaviuscula,新种 (图 1 ,2 )新种与短纹目水螟 Nymphicula junctalis(Hampson)相似 ,主要区别在 :新种抱器瓣端部凹陷 ,雌性交配囊有明显囊突区 ;该新种也与角目水螟 Nymphicula patnalis(Felderet Rogenhofer)相似 ,区别在于新种雄性阳茎中部无橄榄形角状器 ,以及抱器瓣端部凹陷 ,雌性外生殖器具明显的囊突区。正模 :♂ ,贵州梵净山 ,2 7.55°N,1 0 8.41°E,2 0 0 2 - -0 2 ,60 0 m,王新谱采 ;副模 :1♀ ,同正模 ;2♂♂ 2♀♀ ,贵州梵净山 ,2 0 0 1 - -0 3 ,1 3 0 0 m,李后魂、王新谱采。

This paper reports seven species of the genus Nymphicula Snellen from China. Nymphicula concaviuscula, sp. nov. is described as new to science. Nymphicula saigusai Yoshiyasu is reported for the first time from China. The genitalia of the new species are illustrated. A key to the Chinese species of Nymphicula is provided.