Antepipona biguttata (Fabricius, 1787)

(Figs 1; 2)

Vespa biguttata Fabricius, 1787: 291 .

Antepipona biguttata – van der Vecht & Fischer 1972: 71.

MATERIAL EXAMINED. — Vietnam • 1 ♀, 7 ♂; Ha Giang, Bac Me, Lac Nong; 22°46’24.8”N, 105°10’22.9”E; alt. 418 m; 29.X.2023; Cuong Quang Nguyen, Hoa Thi Dang, Thai Van Mai, Tam Thi Thanh Vu leg.; IEBR • 1♀; Ha Giang, Vi Xuyen, Tung Ba; 3. III.2013; Nguyen Van Tuan leg.; IEBR • 1 ♂; Ha Giang, Vi Xuyen, Cao Bo; 5-15. VI.2001; Long Dang Khuat leg.; IEBR • 2 ♂; Ha Giang, Dong Van, Dong Van town; 22°07’16.6”N, 105°05’39.5”E; alt. 1081 m; 12.VII.2015; Cuong Quang Ngyyytyyen, Dai Dac Nguyen, Minh Phuong Nguyen leg.; IEBR • 1♀, 1 ♂; Cao Bang, Nguyen Binh, Thanh Cong; 22°32’29.7”N, 105°52’51.7”E; 8.VIII.2012; J. Kojima, H. Nugroho & IED-c leg.; IEBR • 2 ♀, 3 ♂; Cao Bang, Nguyen Binh, Thanh Cong; 22°32’37.0”N, 105°52’10.4”E; 7.VIII.2012; Hoa Thi Dang leg.; IEBR • 1 ♀; Cao Bang, Nguyen Binh, Quang Thanh, Hoai Khao; 22°36’0.2”N, 105°54’32”E; alt. 885 m; 9. V.2021; Nguyen Thi Phuong Lien et al. leg.; IEBR • 1 ♀; Lao Cai, Bat Xat NR, road to Red water fall; 22°39’18”N, 103°36’33”E; alt. 1400 m; 16.IX.2023; Anh Duc Nguyen, Ngat Thi Tran leg.; IEBR • 1 ♀, 4 ♂; Lao Cai, Bat Xat, Ban Xeo; 23. VI.2008; Lien Thi Phuong Nguyen, Phong Huy Pham leg.; IEBR • 1♂; Lao Cai, Lao Cai city; 20. VI.2008; Lien Thi Phuong Nguyen, Phong Huy Pham leg.; IEBR • 1 ♀; Dien Bien, Muong Nhe, Muong Toong; 22°09’25.1”N, 102°34’19.5”E; 22.VII.2009; Lien Thi Phuong Nguyen, Phong Huy Pham, J. Kojima leg.; IEBR • 1 ♀; Tuyen Quang, Ham Yen, Yen Thuan, Cao Duong, Cham Chu NP; 22°20’16.4”N, 103°51’9.4”E; alt. 670 m; 12. V.2019; Lam Xuan Truong, Lien Thi Phuong Nguyen, Cuong Quang Nguyen, Ngat Thi Tran, Thai Van Mai leg.; IEBR • 1 ♂; Tuyen Quang, Ham Yen, Yen Thuan, Cao Duong, Cham Chu NP; 22°41’8”N, 104°59’18.2”E; alt. 661 m; 14. V.2019; Cuong Quang Nguyen, Ngat Thi Tran, Thai Van Mai leg.; IEBR • 4♀; Tuyen Quang, Ham Yen, Yen Thuan, Cao Duong, Cham Chu NP, way to waterfall; 22°17’35.5”N, 104°59’28”E; alt. 643 m; 15. V.2019; Lam Xuan Truong, Cuong Quang Nguyen, Thai Van Mai leg.; IEBR • 6♀; Tuyen Quang, Ham Yen, Yen Thuan, Cao Duong, Cham Chu NP, way to waterfall; 22°17’35.5”N, 104°59’28”E; alt. 643 m; 16. V.2019; Lien Thi Phuong Nguyen, Cuong Quang Nguyen, Lam Xuan Truong, Ngat Thi Tran, Thai Van Mai leg.; IEBR • 1 ♀; Tuyen Quang, Na Hang, Na Hang NR, Road to Ban Bung, 22°16’59.5”N, 105°26’01”E; alt. 369 m; 11. VI.2015; Lien Thi Phuong Nguyen, Dai Dac Nguyen, Lam Xuan Truong leg.; IEBR • 4♀, 1 ♂; Son La, Muong La, Nam Pam; alt. 660 m; 25.VII.2009; Lien Thi Phuong Nguyen, Phong Huy Pham, J Kojima leg.; IEBR • 1 ♂; Son La, Phu Yen, Gia Phu, Vo Nguyen Giap forest; 21°13’7.9”N, 104°32’39.7”E; alt. 350 m; 18. VI.2015; Dai Dac Nguyen leg.; IEBR • 1 ♂; Son La, To Hieu; 5.X.1999; Lam Xuan Truong leg.; IEBR • 1 ♀; Phu Tho, Xuan Son, Tan Son; 20. V.2011; Phong Huy Pham leg.; IEBR • 4 ♂; Phu Tho, Tan Son, Lai Dong; 3.X.2011; Long Dang Khuat leg.; IEBR • 1 ♀; Hoa Binh, Mai Chau, Pa Co; 21°56’16.7”N, 102°52’58.1”E; 23.VII.2009; Lien Thi Phuong Nguyen, Phong Huy Pham, J Kojima leg.; IEBR • 1 ♀; Hoa Binh, Yen Thuy, Da Phuc; 4. V.2002; Tru Vu Hoang leg.; IEBR • 1 ♀; Thanh Hoa, Trung Son; 1.X.2017; Lien Thi Phuong Nguyen leg.; IEBR • 1♀, 1 ♂; Thanh Hoa, Quan Hoa, Pu Hu NR; 20°31’32.1”N, 104°57’38.5”E; alt. 284 m; 12. VI.2016; Lam Xuan Truong, Dac Dai Nguyen, Ngat Thi Tran, Linh Ngoc Ha leg.; IEBR • 1 ♂; Thanh Hoa, Quan Hoa, Pu Hu NR; 20°33’37.3”N, 105°00’37.9”E; alt. 120 m; 15. VI.2016; Dac Dai Nguyen, Ngat Thi Tran, Linh Ngoc Ha leg.; IEBR • 1 ♀; Nghe An, Que Phong, Thong Thu; 19°47’24.5”N, 104°59’46.5”E; alt. 300 m; 21.IV.2016; Lien Thi Phuong Nguyen, Lam Xuan Truong, Dac Dai Nguyen leg.; IEBR • 6 ♀, 4 ♂; Kien Giang, U Minh Thuong, An Minh Bac, U Minh Thuong NP; 09°54’6”N, 105°8’16”E; alt. 30 m; 30.X.2023; Anh Duc Nguyen, Ngat Thi Tran leg.; IEBR • 4 ♀, 1 ♂; Kon Tum, Sa Thay, Chu Mom Ray NP; 14°47’24.5”N, 107°59’46.5”E; alt. 729 m, 25.IV.2016; Lien Thi Phuong Nguyen, Dac Dai Nguyen, Ngat Thi Tran leg.; IEBR • 1 ♂; Kon Tum, Sa Thay, Su Son, Ba Gooh, Chu Mom Ray NP; alt. 270 m; 4.IV.2014; Tru Vu Hoang, Tuan Van Nguyen leg.; IEBR • 3 ♀; Kon Tum, Sa Thay, Xa Son, Chu Mom Ray NP; 14°25’19”N, 107°43’54”E; alt. 653 m; 24.IV.2022; Lien Thi Phuong Nguyen, Ngat Thi Tran leg.; IEBR • 5 ♀; Gia Lai, KBang, RS No 5, Kon Ka Kinh NP; 14°17’46”N, 108°27’01”E; alt. 525 m; 28.IV.2022; Lien Thi Phuong Nguyen, Ngat Thi Tran leg.; IEBR • 2♂; Gia Lai, KBang, Konpne, Kon Ka Kinh NP; 14°23’22.9”N, 108°20’27.5”E; alt. 847 m; 15.VII.2012; Lien Thi Phuong Nguyen leg.; IEBR • 1 ♀; Gia Lai, KBang, Konpne, Kon Ka Kinh NP; 14°23’22.9”N, 108°20’27.5”E; alt. 847 m; 17.VII.2012; Lien Thi Phuong Nguyen leg.; IEBR • 1 ♂; Gia Lai, Kon Ka Kinh NP; 14°11’56.7”N, 108°17’19.5”E; alt. 700 m; 13.VII.2012; Lien Thi Phuong Nguyen leg.; IEBR • 8 ♀, 3 ♂; Dak Lak, Ea Kar, Ea So, Ea So NR, Ranger station no. 9; 13°01’24.5”N, 108°33’13.6”E; alt. 264 m; 14.IV.2015; Lien Thi Phuong Nguyen, Dac Dai Nguyen, Phuong Minh Nguyen leg.; IEBR • 1 ♂; Dak Lak, Ea Kar, Ea So, Ea So NR, sation 9; 14°28’27”N, 108°32’23.9”E; alt. 267 m; 15.IV.2015; Lien Thi Phuong Nguyen, Dac Dai Nguyen, Phuong Minh Nguyen leg.; IEBR • 1♀; Dak Lak, Ea Kar, Ea So, Ea So NR, sation 5; 12°55’24.37”N, 108°33’04”E; alt. 95 m; 15.IV.2015, Lien Thi Phuong Nguyen, Dac Dai Nguyen, Phuong Minh Nguyen leg.; IEBR • 1 ♀; Dak Lak, Krong Bong, Krong Kmar, Chu Yang Sin NP; 12°26’0.07”N, 108°20’22.9”E; alt. 822 m; 3. V.2016; Lien Thi Phuong Nguyen, Dac Dai Nguyen, Ngat Thi Tran leg.; IEBR • 1 ♀; Dak Lak, Krong Bong, Krong Kmar, Chu Yang Sin NP; 12°25’2.8”N, 108°22’30.8”E; alt. 1081 m; 4. V.2016; Lien Thi Phuong Nguyen, Dac Dai Nguyen, Ngat Thi Tran leg.; IEBR • 1 ♀; Lam Dong, Lac Duong, Da Nhim, Bi Doup Nui Ba NP; 12°08’35.3”N, 108°31’58.1”E; alt. 1501 m; 6. VI.2013, Lien Thi Phuong Nguyen leg.; IEBR • 1 ♀; Dong Nai, Tan Phu, Nam Cat Tien NP; 10.VIII.2005; Lien Thi Phuong Nguyen, J. Kojima leg.; IEBR .

India • 1 ♂; Tamil Nadu, Top slip, Anamalai; alt. 550-800 m; 2-5. XII.1978; Japan-India Collection Trip; coll. SKYC .

DISTRIBUTION. — India: Arunachal Pradesh, Assam, Bihar, Karnataka, Kerala, Manipur, Meghalaya, Odisha, Sikkim, Tamil Nadu, Tripura, Uttar Pradesh, West Bengal; Bhutan; China: Guandong, Jiangxi, Zhejian, Fujian, Yunnan, Hainan; Taiwan; Korea; Thailand; Laos; Vietnam; Myanmar; Malaysia.

REMARKS

This species has been recorded previously from Vietnam (Lang Son, Tuyen Quang: Nguyen et al. [2014]; Nguyen et al. [2018]). Here, the range of this species is extended to the middle and southern part of Vietnam. The male genitalia were described by Giordani Soika (1982) but are redescribed here in more detail.

MALE GENITALIA. — As in Figure 2. Parameral spine lacking setae. Volsella flattened, spatulate, wide on inner aspect, and without setae at top (Fig. 2A). Digitus almost trapezoidal apically, with apical margin almost straight, with a tuff of setae at right corner (Fig. 2B). Penis valve long (Fig. 2C), about 1.8× as long as basal apodeme, in profile apical part strongly produced into a large pointed lobe (Fig. 2D); upper part of proximal margin serrated (Fig. 2D).