Tetralonioidella wuae Niu & Zhu, 2017

Niu, Zeqing, Yuan, Feng & Zhu, Chaodong, 2017, Taxonomic study of the genus Tetralonioidella Strand from China (Hymenoptera: Apidae: Melectini), Zoological Systematics 42 (4), pp. 418-445 : 441-444

publication ID	https://doi.org/ 10.11865/zs.201718
publication LSID	lsid:zoobank.org:pub:25D9FD67-3B6B-4F95-88D1-190FDD5C2E54
DOI	https://doi.org/10.5281/zenodo.5459903
persistent identifier	https://treatment.plazi.org/id/03C38791-FFC8-CC2B-8CD9-FE1A745DF9B2
treatment provided by	Diego
scientific name	Tetralonioidella wuae Niu & Zhu
status	sp. nov.

Treatment

Tetralonioidella wuae Niu & Zhu View in CoL , sp. nov. ( Figs 20–22 View Figure 20 View Figure 21 View Figure 22 )

Diagnosis. The new species has fore wing without papillae, just as that of T. heinzi , but the bristle-like setae on ventral surface S7 of male are denser than that of T. heinzi , pubescence on scutum and metasoma sparser than that of T. heinizi , yellowish-brown, not fox-red.

Description. Male. BL 9.0– 10.2mm (holotype 10.0mm) ( Fig. 20a View Figure 20 ); head broader than long, HW:HL= 60: 43 ( Fig. 20b View Figure 20 ); gena distinctly narrower than eye, GW: EW= 10: 15; width of metasoma slightly narrower than the width between the tegulae, MtW: MsW = 70: 72. Clypeus broader than long ( Fig. 20b View Figure 20 ); apical margin of labrum distinctly concave ( Fig. 20c View Figure 20 ); antenna long, reaching behind margin of tegula, scape conically broadened, slightly shorter than F1 to F3 together, flagellomere equal in breadth, F1 as long as broad, F2-F4 equal in length and long than broad, nearly 1.4 times as long as broad, F5-F10 equal in length, nearly 1.2 times as long as broad, F11 rounded apically, equal in length with F2, about 1.4 times as long as broad ( Fig. 20d View Figure 20 ); fore wing with numerous minute hairs apically, distinct papillae absent ( Fig. 21a View Figure 21 ); scutellar spines broad and short, rounded apically, barely visible between pubescence; inner ramus of hind tarsal claw axe-shaped, arolium present ( Fig. 21b View Figure 21 ); apical part of S7 triangular, with small incision at apex, ventral surface of apical part of S7 with stiff, short to long dense setae laterally ( Fig. 21c View Figure 21 ); apical margin of median process of S8 distinctly concave ( Fig. 21d View Figure 21 ); genitalia as illustrated in Fig. 21e View Figure 21 (in dorsal view) and Fig. 21f View Figure 21 (in lateral view), basal part of gonostylus with broad rectangular process dorsally, and the process with dense long hairs along dorsal and apical margin, penis valve without rectangular processes laterally ( Fig. 21f View Figure 21 ). Clypeus black ( Fig. 20b View Figure 20 ); basal part of mandible black, middle part of mandible dark blackish-brown, apical part of mandible dark reddish-brown; labrum black ( Fig. 20c View Figure 20 ); antenna dark blackish-brown beneath ( Fig. 20d View Figure 20 ); tegula yellowish-brown ( Fig. 20e View Figure 20 ); all legs dark reddish-brown except mediotarsus and distitarsus dark yellowish-brown; hind tarsal claw blackish-brown apically ( Fig. 21b View Figure 21 ). Scutum pubescence yellowish-brown ( Figs 20a, e View Figure 20 ); clypeus, periphery of antennal socket, supraclypeal area, paraocular area and front surface of scape covered with sparse yellowish-white hairs ( Fig. 20b View Figure 20 );vertex, genal area, scutum, scutellum, metanotum and episternum covered with dense and long yellowish-brown hairs ( Figs 20a, d–e View Figure 20 ); all metasomal terga uniformly covered with thin and short yellowish hairs, and T2-T4 with yellowish-white hair bands before marginal zones ( Fig. 20f View Figure 20 ).

Female. BL 11.2mm ( Fig. 22a View Figure 22 ); head broader than long, HW: HL =71: 50 ( Fig. 22b View Figure 22 ); gena distinctly narrower than eye, GW: EW = 11: 20; width of metasoma broader than the width between the tegulae, MtW: MsW = 87: 80. Clypeus broader than long ( Fig. 22b View Figure 22 ); apical margin of labrum straight ( Fig. 20c View Figure 20 ); antenna long, reaching behind margin of tegula, scape conically broadened, slightly shorter than T1 to F3 together, flagellomere equal in breadth, F1 slightly longer than broad, nearly 1.2 times as long as broad, F2 long than broad, nearly1.6 times as long as broad, F3 equal in length with F4, longer than broad, nearly 1.4 times as long as broad, F5–F9 equal in length, about 1.2 times as long as broad, F10 rounded apically, equal in length with F2, about 1.6 times as long as broad ( Fig. 22d View Figure 22 ); fore wing with numerous minute hairs apically, distinct papillae absent ( Fig. 22e View Figure 22 ); scutellar spines short and broad, rounded apically, barely visible between pubescence; inner ramus of hind tarsal claw axe-shaped, arolium present ( Fig. 22h View Figure 22 ). Clypeus black ( Fig. 22b View Figure 22 ); labrum blackish-brown ( Fig. 22c View Figure 22 ); antenna dark black beneath ( Fig. 22d View Figure 22 ); tegula yellowish-brown ( Fig. 22f View Figure 22 ); all legs dark reddish-brown except mediotarsus and distitarsus dark yellowish-brown. Scutum pubescence yellowish-brown ( Figs 22a, f View Figure 22 ); clypeus covered short and sparse yellowish-white hairs, periphery of antennal socket, supraclypeal area, paraocular area and front surface of scape covered long yellowish-white hairs ( Fig. 22b View Figure 22 ); vertex, scutum, scutellum, metanotum covered with yellowish-brown hairs ( Figs 22a, f View Figure 22 ); all metasomal terga uniformly covered with short, yellowish-brown hairs ( Fig. 22g View Figure 22 ).

Material examined. Holotype. ♂, China, Sichuan, Yibin, Mt. Fuxian (28º42′N, 104º38′E; elev. 400–500 m), 31. V.2016 GoogleMaps , Feng Yuan. Paratypes. 7♂, same data as holotype GoogleMaps ; 2♂, Hubei, Lichuan, Mt. Xingdou (30º02′N, 109º08′E; elev. 850–900 m), 21–25.VII.1989, coll. Shuyong Wang & Longlong Yang GoogleMaps ; 1♂, Hubei, Hefeng, Fengshuifeng (29º55′N, 110º12′E; elev. 1100 m), 29.VII.1989, coll. Shuyong Wang GoogleMaps ; 1♂, Hunan, Guzhang, Gaowangjie (28º40′N, 110º05′E; elev. 460–600m), 31.VII.1988, coll. Shuyong Wang GoogleMaps ; 2♂ 3♀, Hunan, Dayong, Zhushitou (29º19′N, 110º12′E; elev. 350–600 m), 19–21.VIII.1988, coll. Longlong Yang GoogleMaps ; 1♂, Hunan, Shuishun, Forest Farm of Shanmuhe (29º08′N, 109º50′E; elev. 650 m), 5.VIII.1988, coll. Longlong Yang GoogleMaps ; 1♂, Sichuan, Wan Xian, Wang’erbao (32º43′N, 105º25′E; elev. 1300 m), 15.VII.1993, coll. Shimei Song GoogleMaps ; 1♂, Guizhou, Shiqian, Jinxing (27º30′N, 108º08′E; elev. 600m), 21.VII.1988, coll. Longlong Yang GoogleMaps ; 1♂, Hainan, Qiongzhong, Limushan, Binlang Lake (19º11′N, 109º47′E; elev. 562 m), 7.IV.2010, coll. Kuiyan Zhang. GoogleMaps

Distribution. China (Hunan, Hubei, Sichuan, Guizhou, Hainan).

Etymology. The specific name is dedicated to Prof. Yanru Wu of Institute of Zoology, Chinese Academy of Sciences for her contributions to bee taxonomy.

Funding This work was supported mainly by the National Specific Research Funds for Public Benefit Department (Agriculture) (201303108) to Zeqing Niu, the National Science Fund for Distinguished Young Scholars (31625024) to Chaodong Zhu, partially by the NSFC Program J1211002 and the grant (Y229YX5105) from Key Laboratory of Zoological Systematics and Evolution, Chinese Academy of Sciences.

Acknowledgements The authors sincerely thank Prof. Yanru Wu, Dr. Yanzhou Zhang (Institute of Zoology, Chinese Academy of Sciences, Beijing, China) and anonymous reviewers for their comments and suggestions on earlier drafts of the manuscript, and are grateful to Dr. Douglas Chesters (Institute of Zoology, Chinese Academy of Sciences, Beijing, China) for revising the English language in parts of the manuscript.