Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records Author Xu, Ying https://orcid.org/0000-0002-8950-7718 Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, No. 1 - 5 Beichen West Road, Chaoyang District, Beijing 100101, China & College of Life Science, University of Chinese Academy of Sciences, No. 19, Yuquan Road, Shijingshan District, Beijing 100049, China Author Chen, Jing https://orcid.org/0000-0002-7584-5249 Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, No. 1 - 5 Beichen West Road, Chaoyang District, Beijing 100101, China Author Jiang, Li-Yun https://orcid.org/0000-0002-2527-9613 Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, No. 1 - 5 Beichen West Road, Chaoyang District, Beijing 100101, China Author Qiao, Ge-Xia https://orcid.org/0000-0002-7300-6812 Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, No. 1 - 5 Beichen West Road, Chaoyang District, Beijing 100101, China & College of Life Science, University of Chinese Academy of Sciences, No. 19, Yuquan Road, Shijingshan District, Beijing 100049, China qiaogx@ioz.ac.cn text ZooKeys 2023 2023-07-18 1169 235 292 http://dx.doi.org/10.3897/zookeys.1169.98552 journal article http://dx.doi.org/10.3897/zookeys.1169.98552 1313-2970-1169-235 2071042F21934F9B9E1022CDF27804AD DE97B238347A560A83FB2B2A4F1E9920 Cavariella araliae Takahashi, 1921 Figs 6 , 7 , 32F Cavariella araliae Takahashi, 1921: 37. Specimens examined. Two ap. viv. fems., China : Guizhou ( Xishui County ), 30.V.2000 , No. 12518-1-1, on Aralia , coll. G.X. Qiao ; two ap. viv. fems., Sichuan ( Chengdu City ), 21.VIII.2018 , No. 43979-1-1, on Aralia , coll. Y. Xu and J.F. Ji ; one ap. viv. fem., Guizhou ( Fanjing Mountain ), 1.VIII.2014 , No. 33707-1-1, on Aralia , coll. Y.Q. Li and F.F. Niu ; five ap. viv. fems. and three ala. viv. fems., Hainan ( Linshui County ), 7.IV.2015 , No. 32504-1-1, No. 32505-1-1, No. 32507-1-1, No. 32503-1-1, on Aralia , coll. R. Chen ; two ap. viv. fems., Yunnan ( Jinping County ), 17.IV.2018 , No. 42356-1-1, on Aralia , coll. Y. Xu ; three ap. viv. fems., Hunan ( Ningyuan County ), 27.V.2017 , No. 39559-1-1, No. 39557-1-1, on Aralia , coll. C.C. Du and K. Hao ; one ap. viv. fem., Guangdong ( Shaoguan City ), 7. VI.2017 , No. 39667-1-1, on Aralia , coll. C.C. Du and K. Hao ; two ap. viv. fems. (slides) and one ap. viv. fem. (COI: OP956137 ), Hubei ( Yien County ), 30.IV.2019 , No. 45335-1-1, on Aralia , coll. X. L. Zhang ; one ap. viv. fems., Sichuan ( Leshan City ), 7.VI.2014 , No. 31318-1-1, on Salix , coll. Y. Wang and X. J Tang. Diagnosis. Supra-caudal long conical, pointed apex, much longer than cauda (Fig. 6G, I ); antennae 5-segmented (Fig. 6C ), PT 1.59 x Ant. Vb; URS wedge-shaped (Fig. 6D ), 1.40 x HT II ( Takahashi 1921 ; Jiang et al. 2011 ). Figure 6. Cavariella araliae Takahashi. Apterous viviparous female: A dorsal view of body B dorsal view of head C antenna D ultimate rostral segment E mesosternal furca F sculptures of abdominal tergites G abdominal tergites VI-VIII H siphunculus I supra-caudal process on abdominal tergite VIII J cauda. Scale bars: 0.10 mm. Figure 7. Cavariella araliae Takahashi. Alate viviparous female: A dorsal view of body B antenna C abdominal tergites VI-VIII D siphunculus E supra-caudal process on abdominal tergite VIII F genital plate G cauda. Scale bars: 0.10 mm. Biology. The species mostly feeds on stems and shoots of Araliaceae (Fig. 32F ) ( Aralia , Schleffera , Tetrapanax ), and be found also feeding on Salix ( Blackman and Eastop 2022 ). The species may migrate between Salix and Araliaceae . Distribution. China (Guangdong, Guizhou, Hainan, Henan, Hunan, Jiangsu, Jilin, Liaoning, Sichuan, Taiwan, Yunnan, Zhejiang) ( Jiang et al. 2011 ), Japan, Korea, Russia.