Anthidium (Anthidium) philorum Cockerell, 1910 (Fig. 18 a–f, female; Fig. 19 a–j, male) Anthidium philorum Cockerell, 1910: 242, ♀. Anthidium philorum var. abbotti Cockerell, 1911: 249, ♂. Anthidium (Anthidium) philorum Cockerell, 1910: Wu, 2006: 145, ♀ (key), 146, ♂ (key), 159, ♀, ♂ (redescription), Fig. 81; Nadimi et al., 2014: 420. Diagnosis: This species can be distinguished from other Anthidium species by the following combination of characters: female, T6 with preapical lateral projection (Fig. 18f); male, apical process of S8 acute triangular (Fig. 19h), T7 lateral lobe acutely pointed with adjacent flanges to exterior (Fig. 19f), S6 emarginate medially (Fig. 19g). Material examined: China, Xinjiang: Altun Shan, North Wetland of Jingyu Lake (36º35′N, 89º18′E), 4340 m, 1 ♂, 26.VII.2011, leg. no information on the label; China, Xizang: Comai Xian, Zhegu (28º34′N, 91º30′E), 4600 m, 2 ♂, 28.VII.1974, leg. Fu-Sheng HUANG; Gyirong (28º54′N, 85º12′E), 4950 m, 1 ♂, 9.VIII.1975, leg. Xue-Zhong ZHANG, 4100 m, 1 ♀, 13.VII.1975, leg. Fu-Sheng HUANG, 1 ♀, 14.VII.1975, leg. Xue-Zhong ZHANG; Kangma Xian, Dalong Village (28º30′N, 89º36′E), 4200 m, 2 ♀, 2 ♂, 4.VII.2014, leg. Qing-Tao Wu; Pulan Xian, Pulan Town, Rengong Village (30º27′N, 81º09′E), 4300m, 1 ♀, 11.VIII.2019, leg. Qing-Tao WU & Dan ZHANG. Type localities. India: Jammu and Kashmir: Ladakh: Rupshu (abbotti), China: Xizang: Gyangtse (philorum). Distribution: China (Xinjiang *, Sichuan, Xizang); Iran, India (Jammu and Kashmir). Floral association: Lotus sp. (Fabaceae) (Nadimi et al., 2014). Remarks: Wu (2006) recorded this species from Sichuan, China, but we could not locate a voucher specimen from there in this study.

Published as part of Niu, Ze-Qing, Yuan, Feng, Ascher, John S., Kasparek, Max, Orr, Michael C., Griswold, Terry & Zhu, Chao-Dong, 2020, Bees of the genus Anthidium Fabricius, 1804 (Hymenoptera: Apoidea: Megachilidae: Anthidiini) from China, pp. 1-67 in Zootaxa 4867 (1) on page 29, DOI: 10.11646/zootaxa.4867.1.1, http://zenodo.org/record/4417065