Sasajiscymnus variabilis Tong & Wang

TONG, JUNBO, CHEN, XIAOSHENG, ZHANG, XIAONING, HUO, LIZHI, WU, GANG, PENG, ZHENGQIANG & WANG, XINGMIN, 2022, A review of the genus Sasajiscymnus Vandenberg, 2004 from China (Coleoptera, Coccinellidae), Zootaxa 5207 (1), pp. 1-104 : 53-54

Sasajiscymnus variabilis Tong & Wang sp. nov.

( Figs 37 , 66)

Chinese name: 变Ṅḧ瓢•

Pseudoscymnus hareja: Ren et al., 2009: 62 [nec. Weise, 1879].

Diagnosis. This species is very distinctive by its elytra with variable markings, elongate penis guide, and penis with a deep emargination at apex ( Figs 37a–f, 37i ).

Description. TL: 1.40–2.11 mm, TW: 0.93–1.60 mm, TH: 0.59–0.98 mm.

Body oval, moderately convex, surfaces covered with short pubescence ( Figs 37a–f ). Head yellowish brown with interocular distance distinctly greater than eye width in frontal view. Pronotum yellow sometimes with a large black spot. Scutellar shield black. Elytron with characteristic yellow and black pattern. Ventral surfaces yellow to black. Legs yellow. Abdominal postcoxal lines incomplete, slightly recurved toward the base of ventrite ( Fig. 37g ).

Male genitalia: Penis stout, penis capsule with stout outer arm and long inner one, apex of penis with a deep emargination and membranous appendage ( Figs 37h–i ). Penis guide with prominent keel at base in lateral view, then tapering towards pointed apex; parameres about 1/2 as long as penis guide, with a tuft of long setae at apex; penis guide approximately parallel sided for basal 1/ 3 in ventral view, apically rounded ( Figs 37j–k ).

Female genitalia: Coxites elongate, triangular; styli well developed with terminal setae; spermatheca distinctly curved, with basal ramus and elongate nodulus.

Type material. Holotype: China: Yunnan: ♂, Jinuoshan Town, Jinghong City , 6.V.2009, Wang XM leg ( SCAU) . Paratypes ( SCAU): China: Yunnan: 1♂ 2♀, Same data as holotype; 1♀, Nansan , Zhenkang County, 28.X.2000, Peng ZQ leg ; 1♂, Dongfeng Farm, Jinghong City , 19.IV.2002, Peng ZQ leg ; 1♂ 1♀, Menglun Town , Mengla County, 21. VIII.2005, Wang XM leg; 1♂, Botanic Garden, Jinghong City , 22. VIII.2005, Wang XM leg; 1♂, Longmen Village, Shangyong Town , Mengla County, 8.X.2006, Wang XM leg ; 1♂, Mangbing, Yingjiang City , 29. VIII.2005, Wang XM leg; 2♂ 2♀, National highway 213 route , Mengla County, 12–13.X.2006, Wang XM leg ; 9♂ 13♀, Dadugang Town, Jinghong City , 950 m, 26.IV.2008, Wang XM leg ; 2♂ 3♀, Menglun Town , Mengla County, 1160 m, 29.IV.2008, Wang XM leg ; 7♂ 4♀, Sangyong Village–Longmen Village , Mengla County, 1. V.2008, Wang XM leg; 2♂ 1♀, Lafu Village , Menglian County, 1130 m, 7. V.2008, Wang XM leg; 1♂, Gongxin Village , Menglian County, 1500 m, 8. V.2008, Wang XM leg; 13♂ 7♀, Longtan , Ximeng County, 900 m, 9–10. V.2008, Wang XM leg; 2♂ 3♀, Lancang County, 1300 m, 11. V.2008, Wang XM leg; 2♂ 4♀, Banlao Town , Cangyuan County, 1100 m, 16. V.2008, Wang XM leg; 1♂ 1♀, Tongbiguan Town , Yingjiang County, 1000m, 22–23. V.2008, Wang XM leg; 10♂ 10♀, Caiyanghe National Forest Park , 4. V.2009, Wang XM leg; 3♂ 3♀, Dadugang Town, Jinghong City , 1050 m, 5. V.2009, Wang XM leg; 4♂ 8♀, Yaoqv Town , Mengla County, 700 m, 7–8. V.2009, Wang XM leg; 1♂, Longmen Village, Shangyong Town , Mengla County, 1027 m, 9. V.2009, Wang XM leg; 2♂ 1♀, Nanping, Mengman Town , Mengla County, 745 m, 10. V.2009, Wang XM leg; 1♂, Meng’a Town , Menghai County, 1170 m, 12. V.2009, Wang XM leg; 2♂, Daheishan Town , Jiangcheng County, 1030 m, 17. V.2009, Wang XM leg; 1♂, Maku Village , Gongshan County, 1600 m, 1. VIII.2010, Wang XM leg; 2♂ 1♀, Yaoqv Town , Mengla County, 818 m, 8. VIII.2013, Wang XM leg; 1♀, Jinuoshan Town, Jinghong City , 992 m, 10. VIII.2013, Chen XS leg; 1♂ 2♀, Bulangshan Town , Menghai County, 1188 m, 12. VIII.2013, Chen XS leg; 1♀, Xujiaba, Ailaoshan National Nature Reserve , 2524 m, 17. VIII.2013, Chen XS leg. Hubei: 2♂, Banqiao, Shennongjia National Nature Reserve , 1170 m, 21–24. VII.2007, Wang XM leg; 1♀, Yinyuhe, Shennongjia National Nature Reserve , 1600–1800 m, 31. VII.2007, Wang XM leg; 1♀, Wudang Mountains, Shiyan City , 700–930 m, 8. VIII.2007, Wang XM leg. Guangdong: 1♂, Nankunshan National Forest Park, XI.1986, Jiang N leg. Guangxi: 1♀, Hillside, Mao’ershan National Nature Reserve , 17.X.2004, Wang XM leg ; 3♂, Shili Canyon, Mao’ershan National Nature Reserve , 19.X.2004, Wang XM leg ; 3♀, GaoZhai, Mao’ershan National Nature Reserve , 20.X.2004, Wang XM leg ; 1♂, Pinglong Mountains, Shiwandashan National Nature Reserve , 6.XI.2004, Wang XM leg ; 1♂, Hongqi Forest Farm, Shiwandashan National Nature Reserve , 26. VII.2005, Wang XM leg. Guizhou: 1♂, Laodong Village , Danzhai County, 4.X.2008, Chen XS leg. Taiwan: 1♂, Taroko National Park , Hualien County, 200–912 m, 30.X.2012, Wang XM leg.

Distribution. China (Hubei, Guangdong, Guangxi, Guizhou, Yunnan, Taiwan).

Remarks. This species varies in elytral patterns. The specimens from Taiwan have black elytra with yellow apices, and each elytron have a yellow spot on medially; most specimens from Yunnan have yellow pronotum bearing with a large black spot, and have yellow elytra bearing with characteristic black pattern as show in Figure 37d ; other specimens usually have pattern like Figure 37a.

Figures

FIGURE 37. S. variabilis Tong & Wang sp. nov.: a, d dorsal view, b, e lateral view, c, f frontal view, g abdomen, male, h–k male genitalia: h penis, i apex of penis, j tegmen, lateral view, k tegmen, ventral view. Scale bars: a–f: 0.5 mm; g–k: 0.1 mm.