Six new species of Aspidophorodon Verma, 1967 (Hemiptera, Aphididae, Aphidinae) from China Author Xu, Ying 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 & Institute of Zoology, Academy of Sciences Republic of Uzbekistan, Bagishamol Str., 232 b, Tashkent 100053, Uzbekistan Author Jiang, Li-Yun 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 jiangliyun@gmail.com Author Chen, Jing 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 Kholmatov, Bakhtiyor Rustamovich College of Life Science, University of Chinese Academy of Sciences, No. 19, Yuquan Road, Shijingshan District, Beijing 100049, China Author Qiao, Ge-Xia 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 & Institute of Zoology, Academy of Sciences Republic of Uzbekistan, Bagishamol Str., 232 b, Tashkent 100053, Uzbekistan qiaogx@ioz.ac.cn text ZooKeys 2022 2022-06-16 1106 1 55 http://dx.doi.org/10.3897/zookeys.1106.77912 journal article http://dx.doi.org/10.3897/zookeys.1106.77912 1313-2970-1106-1 27BB738A103E4081BF6644F645E207A4 12219E01D4A55BE3941B1909590F82A3 Aspidophorodon obtusum Qiao, 2015 Aspidophorodon (Aspidophorodon) obtusum Qiao: Chen et al., 2015 : 557,563. Specimens examined. Two apterous viviparous females and four fundatrices ( holotype and paratypes ), China : Sichuan ( Luding County , Minya Konka ), 16.V.2009 , No. 22562-1-3-1, on Salix sp., coll. X.M. Su ; one apterous viviparous female (slide) and one apterous viviparous (COI: OK668441 ), Sichuan ( Luding County , Minya Konka ), 30.IX.2019 , No. 47777-1-2, on Cotoneaster sp., coll. J.F. Ji. Comments. The species have been collected on Salix cupularis in May ( Chen et al. 2015 ) and on Cotoneaster sp. in September. The population on Cotoneaster sp. is without marginal processes, which differs from ones on Salix cupularis in morphological characteristics. However, the DNA sequences of the samples from both host plants are aligned 100% and other characters are similar between the two populations; therefore, there are two different host plant morphs in this species. Aspidophoron being neuter, the adjectival specific epithet is also neuter, so Aspidophoron obtusus is revised as Aspidophoron obtusum . Host plant. Salix cupularis , Cotoneaster sp. ( Rosaceae ). Distribution. China: Sichuan. Biology. The species colonizes the undersides of leaves of its host plants (Fig. 21G ). The life cycle is unknown.