Colletes sidemii Radoszkowski, 1891

Ferrari, Rafael R., Niu, Ze-Qing, Kuhlmann, Michael, Zhang, Dan & Zhu, Chao- Dong, 2021, The cellophane bees of Colletes Latreille (Hymenoptera: Colletidae) from Xizang (Tibet), China, Zootaxa 5022 (1), pp. 1-72 : 27-29

Colletes sidemii Radoszkowski, 1891

( Figs 13C , 15A–F , 40B , 44C )

Colletes sidemii Radoszkowski, 1891: 252 (syntypes ♀ and ♂: type locality not indicated [possibly in ZMB]). Colletes sidemii ; Noskiewicz 1936: 458; Osytshnjuk & Romankova 1995: 484; Kuhlmann & Dorn 2002: 98; Ignatenko

2004: 109; Proshchalykin 2004: 3, 2007b: 879, 2010: 509, 2012: 449; Kuhlmann 2005:1378, 2009b: 29; Kuhlmann &

Proshchalykin 2011: 19, 2013b: 263; Niu et al. 2013b: 108, 2014b: 477; Ascher & Pickering 2021. Colletes mongolicus Pérez, 1903: 224 (syntypes ♂: Mongolia [MNHN]).

Diagnosis. The following set of features may be used to diagnose females of C. sidemii among the Tibetan Colletes : bees relatively large (HW 3.1–3.4 mm), malar area 0.5× as long as basal width of mandible and mesoscutal black hairs absent. The combination of head and mesosomal dorsum covered with pale-yellow pubescence without black hairs and malar area as long as basal width of mandible is sufficient to tell males of C. sidemii apart, except from those of C. sichuanensis , but they can be differentiated by the lower face with relatively long hairs in C. sidemii (lower face with very short hairs in C. sichuanensis ). Overall, C. sidemii most closely resembles C. sanctus , but in the former the malar area is only 0.5× (♀) and 1.0× (♂) as long as basal width of mandible, respectively (malar area 1.0× (♀) and 1.4× (♂) as long as basal width of mandible in the latter). Their females may be further differentiated by the mesosoma covered with pale-orange pubescence in C. sidemii (mesosoma with reddish-brown pubescence in C. sanctus ) and their males by the S7 apicolateral lobe with neck much longer than disc in C. sidemii (neck subequal to disc in C. sanctus ).

Material examined. Published records — CHINA, Beijing: Xiangshan, Yingtaogou , 39.90 116.20, 70 m, 2.vi.1980, SY Wang, 1 ♂ . Hebei: Pingquan Xian, Guangtou Shan , 41.30 118.40, 1250 m, 31.vii.1985, XZ Zhang, 1 ♂ . Xiaowutai Shan , 39.90 115.00, 1200 m, 12.viii.1964, JL Mao, 1 ♂ ; 21.viii.1964, YH Hang, 1 ♀. Yangjiaping , 40.00 115.00, 1100 m, 10.vii.1937, O Piel, 2 ♀ . Inner Mongolia: Chifeng Xian , 42.20 118.90, 650 m, 15.vii.1987, WS Li, 1 ♂ . Dong Ujimqin Qi , 45.50 117.00, 850 m, 24.viii.1971, YW Zhang, 1 ♂ . Hulun Buir Meng , 49.20 119.70, 600 m, 16.viii.1981, DX Liao, 1 ♀ . Tomortei , 41.80 113.10, 1500 m, 13.vii.1971, coll. unknown, 1 ♂ ; 5.viii.1971, coll. unknown, 1 ♀. Xilin Gol Meng , 43.90 116.00, 1000 m, 23.vii.1979, JP Liu, 1 ♀ ; 25.vii.1972, coll. unknown, 1 ♀; 12.viii.1979, YL Cheng, 1 ♀. Xilin Gol Meng, Xilinhot, Baiyinxele Pasture , 43.90 116.00, 1200 m, 23.vii.1980, JP Liu, 1 ♀ ; 8.viii.1990, LL Yang, 2 ♀. Qinghai: Yushu , 33.00 97.00, 3700 m, 26.viii.1964, SY Wang, 5 ♀ ; 30.viii.1964, SY Wang, 1 ♀. Shandong: Jinan , 36.70 117.00, 500 m, date unknown, coll. unknown, 1 ♀ . Sichuan: Dêgê , 31.80 98.60, 3200 m, 6.vii.1983, XZ Zhang, 4 ♀ 9 ♂ . Garzê Xian , 31.60 99.90, 3650 m, 1.vii.1983, HC Cai, 1 ♂ . Xiangcheng Xian, Zhongreniao , 28.90 99.90, 3500 m, 5.vii.1982, SY Wang, 1 ♂ . Xinjiang: Dushanzi , 44.30 84.80, 1636 m, 27.vi.1957, CP Hong, 1 ♀ 6 ♂ ; G Wang , 1 ♀ . Tacheng, Sawuershan , 46.70 82.90, 1850 m, 30.viii.1980, YL Cheng, 1 ♂ . Taglak , 41.60 80.40, 2500 m, 26.vi.1977, YH Hang, 1 ♂ . Tian Shan , 43.30 86.00, 1580 m, 17.vii.1957, G Wang, 1 ♀ . Tomort , 43.10 94.30, 2400 m, 29.vii.1977, CJ Li, 1 ♀ ; 4.viii.1977, YH Hang, 1 ♀. Urumqi , 43.80 87.60, 30.v.1974, JP Liu, 1 ♂ . Zhaosu, Alasan , 43.10 81.10, 2450 m, 21.vii.1978, XZ Zhang, 8 ♀ ; YH Hang , 1 ♀ ; 22.vii.1978, YH Hang, 3 ♀; 23.vii.1978, XZ Zhang, 1 ♀; 24.vii.1978, XZ Zhang, 2 ♀. Xizang: Gonjo Xian , 30.80 98.20, 3500 m, 3.viii.1976, XZ Zhang, 3 ♀ ; 4.viii.1976, XZ Zhang, 5 ♀; 5.viii.1976, XZ Zhang, 11 ♀. Markam, Haitong , 29.90 98.50, 3250 m, 11.viii.1982, XZ Zhang, 1 ♂ . Markam Xian , 29.60 98.50, 3800 m, 21.vi.1976, YH Hang, 1 ♂ . Jomda Xian , 31.50 98.20, 3400 m, 27.vi.1976, YH Hang, 2 ♂ . Zhag’yab Xian, Gyitang , 30.70 97.30, 3600 m, 8.vii.1976, XZ Zhang, 2 ♂ .

New records — CHINA, Qinghai: Dulan County, Chahanwusu, 36.0889 98.2112, 700 m, 15.vii.2017, D Zhang & QT Wu, 1 ♂. Dulan County , Xiangride, 36.0547 98.0378, 3237 m, 17.viii.2017, D Zhang & QT Wu, 1 ♂. Dulan County , Xiariha, Xiatala Town , 36.4065 90.1028, 3089 m, 14.vii.2017, D Zhang & QT Wu, 1 ♂ . Xizang: Linzhi,

DNA barcode. Unavailable.

Floral hosts. Compositae : Cichorium sp. , Taraxacum sp. ; Lamiaceae : Nepeta sibirica L.; Leguminosae: Astragalus dauricus K.Koch , Medicago falcata L., Melilotus sp. ; Polygonaceae : Fagopyrum esculentum Moench ; Rosaceae : Potentilla fructicosa Gray , Rubus sp.

Remarks. Both sexes of C. sidemii exhibit very little morphological variation over the species’ range within China, where it occupies several different environments. However, further comparative study, preferably coupled

Male and female syntypes of C. sidemii that were previously suspected to be deposited in the ISEAPAS ( Noskiewicz 1936: 458) could not be located there by M. Proshchalykin. However, he found one male (Tschita, Amur // sidemii Rad. = mongolicus Per. , male) and one female (Amour sidemii // Coll. Rados. // sidemii // Typus // sidemii Rad. det. – Colletes sidemii Rad. , female, Noskiewitz det.) with Radoszkowski’s handwritten labels in the ZMB that may belong to the species’ type series (M. Proshchalykin, pers. comm.).

Figures

FIGURE 13. Confirmed geographic records of the Colletes species found in Xizang based on the examined material. (A) C. paratibeticus; (B) C. sanctus; (C) C. sidemii; (D) C. splendidus sp. nov.

FIGURE 15. Colletes sidemii Radoszkowski, 1891. Female: (A) habitus, lateral view; (C) face, frontal view. Male: (B) habitus, lateral view; (D) face, frontal view; (E) genital capsule, lateral view; (F) S7, ventral view. Scale bars: (A–D) 2 mm; (E, F) 1 mm.

FIGURE 40. Oblique view of head: (A) lower face with mostly short hairs in the male Colletes sichuanensis; (B) lower face with mostly long hairs in the male C. sidemii. Lateroventral view of metasoma: (C) S5 with erect dense setae medially in the male C. tibeticus; (D) S5 with subappressed sparse setae medially in the male C. floralis. Scale bars: 1 mm.

FIGURE 44. Head in profile: (A) paraocular area with short setae in the female Colletes sichuanensis; (B) paraocular area with