中国钩瓣叶蜂属一新种及一新记录种(膜翅目:叶蜂科)

A New Species and a New Record of Macrophya(Hymenoptera: Tenthredinidae) from China

记述采自山东的中国钩瓣叶蜂属 Macrophya Dahlbom 1 新种: 斑跗钩瓣叶蜂Macrophya maculotarsalina Wei et Liu, sp. nov., 与 Macrophya vacillans 近似,但小盾片附片黑色,后足跗节大部白色,后足胫节具红斑,腹部第 2 背板两侧具侧白斑,第 3、4 背板无白斑,单眼后区宽长比大于 2,侧沟明显,锯腹片的锯刃强烈突出等,易与后者鉴别。斑股钩瓣叶蜂 Macrophya femorata Marlatt, 1898 是中国新记录种,该种原记载分布于日本。新种的模式标本保存于中南林学院昆虫模式标本室。

Two species of Macrophya (Tenthredinidae) are described from Shandong, China. Among them Macrophya maculotarsalina Wei et Liu is described as new to science, and Macrophya femorata Marlatt is firstly recorded in China. Type materials are deposited in the Insect Collection of Central South Forestry University, Zhuzhou, Hunan, China. 1. Macrophya maculotarsalina Wei et Liu, sp. nov. (Fig. 1) Holotype: ♀, Mt. Taishan, Tai’an City, Shandong Province, China, 700~1 300 m, 11-Ⅵ -2004, LIU Shou-zhu (CSFU); Paratypes: 32 ♀♀13♂♂, same data as holotype. This new species is similar to Macrophya vacillans but differs from the latter in posttergite black, hind tarsus largely white, hind tibia with red macula, abdominal tergites 2~3 without white macula, postocellar area more than 2 times as broad as long, lateral furrows distinct, and serrula strongly protruding. 2. Macrophya femorata Marlatt 1898, new record (Fig. 2) Observed specimens: 141♀♀65♂♂, Mt. Kunyu, Yantai City, Shandong Province, China, 400~800 m, 25-Ⅴ-2004, LIU Shou-zhu, Liu Wei-xing (CSFU).