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 Subgenus Cavariella Cavariellinepicauda Ivanovskaja, 1980 Cavariellinepicauda Ivanovskaja, 1980: 79. Diagnosis. The species of the subgenus mostly feed on Apiaceae and are covered with wax in life (Fig. 37 ). In collected specimens, abdominal tergites I-IV often have circular marginal tubercles; ABD TERG VIII with indistinct supra-caudal process, shorter than Ant. II; rostrum long, sometimes reaching abdominal tergite IV, URS elongated wedge-shaped; cauda tongue-shaped, with> 8 setae; SPHI long cylindrical, with distinct flange, not swollen. Figure 27. Cavariella (Cavariellinepicauda) cicutisucta Qiao. Apterous viviparous female: A dorsal view of body B dorsal view of head C antenna D ultimate rostral segment E marginal tubercle of prothorax notum F hind tibiae G marginal tubercle of abdominal tergite I H marginal tubercles of abdominal tergites I-III I abdominal tergites II-VIII J siphunculus K cauda. Scale bars: 0.10 mm. Comments. The subgenus contains five species, with only two species distributed in China. Cavariella largispiracula Zhang, Chen, Zhong & Li, 1999 is considered as a junior synonym of Cavariella sapporoensis Takahashi, 1961. Cavariella hidaensis Takahashi, 1961 should be removed to Elatobium Mordvilko, 1914 based morphological and molecular data.