中国蚜科梯管蚜属研究并记二新种(同翅目:蚜总科)  

Study on the Genus Brachysiphoniella Takahashi with Description of Two New Species (Homoptera: Aphidoidea: Aphididae) from China

作　　者：张丽坤[1] 张广学[1] 

机构地区：[1]中国科学院动物研究所,北京100080

出　　处：《Entomotaxonomia》2000年第2期101-106,共6页昆虫分类学报（英文）

基　　金：国家自然科学基金!资助 ( No.39770 1 1 9)

摘　　要：记述中国梯管蚜属 Brachysiphoniella Takahashi,1 92 1及该属 2新种 :食禾梯管蚜 Brachysiphoniella graminivora,sp.nov.,芹梯管蚜 Brachysiphoniella apiaca,sp. nov.,并给出分种检索表。模式标本存放在中国科学院动物研究所。This paper deals with Brachysiphoniella Takahashi, 1921 and with description of two new species from China, viz: Brachysiphoniella graminivora Zhang et Zhang, sp. nov. and Brachysiphoniella apiaca Zhang et Zhang, sp. nov.. A key to Brachysiphoniella Takahashi is given. All the type specimens are deposited in the Institute of Zoology, the Chinese Academy of Sciences, Beijing. 1. Brachysiphoniella graminivora Zhang et Zhang, sp. nov. (Fig.1) Apterous viviparous females: Measurements (in mm): Body 1.907 in length, 1.062 in width. Antennae 5 or 6 segmented. Length of antennae with 5 segments: 0.837, segment Ⅰ～Ⅴ: 0.064, 0.048, 0.266, 0.148, 0.095+0.218. Antennae with 6 segments:1.010, segment Ⅰ～Ⅵ: 0.069, 0.052, 0.185, 0.155, 0.170, 0.104+0.230. Ultimate rostral segment 0.068, with a pair of accessory hairs and 3 pairs of primary hairs. Hind femur 0.366, hind tibia 0.594, 2nd hind trsal segment 0.089. Siphunculus 0.059 in length. Cauda 0.228 in length, with 16～19 hairs. Holotype: apterous viviparous female, No. Y2567 1 3, Kunming, Yunnan Province (1890 m, 102.7E, 25.0N) on Gramineae, 3-Ⅷ-1982, coll. Xia Zhehua. Paratypes: 7 apterous viviparous females, 1 alate larva, No. Y2567, other data same as holotype. This new species differs from B.montana by the following characters: 1) abdominal terga Ⅶ～Ⅷ pale (the latter dark brown); 2) 3 pairs of primary hairs on the ultimate rostral segment (the latter 2 pairs); 3) siphunculus smooth (the latter with grave design); 4) 16～19 hairs on cauda (the latter 12 hairs); 5) anal plate rectanglar, with hind straight (the latter curved), 20～25 hairs (the latter 14 hairs). 2. Brachysiphoniella apiaca Zhang et Zhang, sp. nov. (Fig. 2) Apterous viviparous females: Measurements (in mm): Body 1.612 in length, 0.908 in width. Head and prothorax combined. Antennae 5 segmented 0.823 in length, segment Ⅰ～Ⅴ; 0.073, 0.048, 0.253, 0.140, 0.095+0.214. Ultimate rostral segment 0.060, with 2 pairs of accessory hairs and 2 pairs of

关 键 词：同翅目 蚜总科 梯管蚜属 食禾梯管蚜 芹梯管蚜 

分 类 号：Q969.367.2[生物学—昆虫学]