Trypoxylon petiolatum F. Smith, 1858

Pham, Phong Huy, Nguyen, Anh Thi & Antropov, A. V., 2023, New records of species of the genus Trypoxylon Latreille, 1796 (Hymenoptera: Crabronidae) from northern Vietnam, Russian Entomological Journal 32 (1), pp. 58-67 : 63-64

Trypoxylon petiolatum F. Smith, 1858

Figs 3–4 , 22 .

SPECIMENS EXAMINED. Vietnam: Hanoi: 3 ♀♀, 2 ♂♂, Co Nhue 2, Bac Tu Liem , 3.iv.2017, 29.viii.2020, trap nest, Coll. Phong Huy Pham ; 1 ♀, 2 ♂♂, Bai Giua Song Hong, Long Bien , 9.viii.2016, Coll. Dang Thi Hoa ; 2 ♀♀, Da Ton, Gia Lam , 4– 14.v.2001, 5–15.ix.2002, Malaise trap, Coll. Khuat Dang Long ; 1 ♀, Xuan Mai , 15.viii.2010, Coll. Phong Huy Pham ; 1 ♂, Dien, Bac Tu Liem , 28.iv.2017, Coll. Phong Huy Pham ; 1, 2 ♂♂, Bai Giua Song Hong, Long Bien , 19.ix.2012, Coll. Dang Thi Hoa ; 1 ♂, Hoa Lac, Thach That , 5–15.vii.2002, Malaise trap, Coll. Khuat Dang Long ; 1 ♀, Thuy Xuan Tien, Chuong My , 1–14.ix.2017, Malaise trap, Coll. Phong Huy Pham. Ninh Binh: 3 ♀♀, Bai Dinh Temple, Gia Sinh, Gia Vien , 25.vi.2017, Coll. Phong Huy Pham ; 2 ♀♀, Thung Den Tran, Trang An , 23.vi.2017, Coll. Phong Huy Pham. Hoa Binh: 1 ♀, My Tan, Tan Thanh, Luong Son , 27.v.2019, Coll. Phong Huy Pham ; 5 ♀♀, 7 ♂♂, Kim Boi , x–xi.2009, 25.iv–5.v.2012; 25.v–5.vi.2012, 5–15.vii.2012, 15–25.vii.2012, 5–15.viii.2012, 5–15.ix.2012, 15– 25.ix.2012, 25.x–5.xi.2012, Malasise trap, Coll. Khuat Dang Long ; 4 ♀♀, 6 ♂♂, Da Phuc, Yen Thuy , 10–20.iv.2003, 1–10.ix.2002, 20–30.ix.2002, 20–30.x.2002, Malasise trap, Coll. Khuat Dang Long ; 2 ♀♀, 1 ♂, Thanh Lap, Luong Son , 25.ix–5.xi.2018, Malaise trap, Coll. Dang Thi Hoa ; 1 ♂, Bao Hieu, Yen Thuy , 10–20.vi.2003, Malaise trap, Coll. Khuat Dang Long ; 1 ♀, 2 ♂♂, Da Phuc, Yen Thuy , 15–30.viii.2002, 1–10.v.2003, Malaise trap, Coll. Khuat Dang Long ; 2 ♀♀, 4 ♂♂, Kim Boi , 5–15.vi.2012, 5–15.vii.2012, 25.viii–5.ix.2012, Malaise trap, Coll. Khuat Dang Long. Cao Bang: 3 ♂♂, Ban Hau, Trung Khanh, unknown time of collection, Coll. Nguyen Quang Truong. Thai Nguyen: 2 ♂♂, An Lac, Phu Luong , 1–15.ix.2017, 22.vii–9.viii.2018, Malaise trap, Coll. Dang Thi Hoa. Son La: 1 ♂, Muong Thai, Ham Yen , 11.viii.2017, Coll. Phong Huy Pham. Vinh Phuc: 4 ♀♀, Me Linh Station for Biodiversity, Ngoc Thach , Me Linh , 5–15.iv.2008, 18.vi.2013, 17.vii.2013, Malaise trap, Colls. Khuat Dang Long and Dang Thi Hoa. Thai Binh : 4 ♀♀, Dong Hung , 18.vi.2014, Coll. Dang Thi Hoa. Hai Phong: 3 ♀♀, 3 ♂♂, Cat Ba National Park, Cat Hai , 2–17.viii.2022, trap nests, Coll. Phong Huy Pham.

DISTRIBUTION. Vietnam: Cao Bang, Hai Phong, Hanoi, Hoa Binh, Ninh Binh, Son La, Thai Binh, Thai Nguyen, Vinh Phuc (present study), Dak Lak [ Tsuneki, 1979a; Pham, Antropov, 2021]. China, Hawaii, Korea, India, Indonesia, Japan, Malaysia, Laos, Maldives Islands, Myanmar, New Guinea, Nepal, Philippines, Singapore, South Pacific islands, Taiwan, Thailand [ Pulawski, 2022].

REMARKS. Trypoxylon petiolatum is a member of the T. bicolor species group [ Tsuneki, 1981f].

Figures

Figs 1–4. Trypoxylon spp.: 1–2 — T. bicolor; 3–4 — T. petiolatum; 1, 3 — head in frontal view, female; 2, 4 — flagellum, male. Рис. 1–4. Trypoxylon spp.: 1–2 — T. bicolor; 3–4 — T. petiolatum; 1, 3 — голова спереди, самка; 2, 4 — жгутик, самец.

Figs 21–24. Trypoxylon spp, female habitus, lateral view: 21 — T. paeninsulicola; 22 — T. petiolatum; 23 — T. prominens; 24 — T. varipilosum. Рис. 21–24. Trypoxylon spp, внешний вид самки сбоку: 21 — T. paeninsulicola; 22 — T. petiolatum; 23 — T. prominens; 24 — T. varipilosum.