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Periphyllus montanus sp nov无翅胎生雌蚜:透明标本体色灰白,头与前胸背板几乎愈合,背面有4对刚毛,额有一对刚毛,这些刚毛粗壮,顶端尖,大约为触角第三节基部直径的6倍长。头的腹面有些小刺,每边有3根刚毛,两根细而短小,其余形状和长度与额刚毛相似。触角6节,第一节有4根刚毛;第二节有两根刚毛;第三至第六具有鳞状;第三节基部不收缩,有4根象节基部直径一半的刚毛,原生感觉圈具有纤毛,各节的相关长度大约如下:Ⅲ—60、Ⅳ—25、Ⅴ—28、Ⅵ—16(?)有一对前刚毛,上颚
Periphyllus montanus sp nov wingless viviparous female aphids: transparent specimen body color gray, head and front thoracic almost healed on the back of 4 pairs of bristles, forehead has a pair of bristles, these bristles thick, tip sharp, about antennae Section third base 6 times the diameter of the long. Head slightly ventral thorn, each side has three bristles, two thin and short, the rest of the shape and length and amount of bristles similar. The first section has four bristles; the second section has two bristles; the third to the sixth with squamous; the third section of the base does not shrink, there are four elephant section base diameter of half the bristles, primary sense of the ring With cilia, the relevant length of each section is approximately as follows: Ⅲ-60, Ⅳ-25, V-28, VI-16 (?) A pair of anterior bristles,