Trypoxylon yumi Tsuneki, 1979

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 : 66

Trypoxylon yumi Tsuneki, 1979

Figs 16 , 30 .

SPECIMENS EXAMINED. Vietnam: Cao Bang: 1 ♂, Ban Hau, Cao Thang, Trung Khanh, time of collection unknown, Coll. Nguyen Quang Truong.

DISTRIBUTION. Vietnam: Cao Bang. Laos [ Pulawski, 2022]. New record from Vietnam.

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

Acknowledgements. The authors are grateful to Dr. Wojciech J. Pulawski (California Academy of Science, San Francisco, CA, USA) for providing valuable literature and encouragement. We thank Assoc. Prof. Khuat Dang Long and MSc. Dang Thi Hoa (Institute of Ecology and Biological Resources, Hanoi, Vietnam) for supplying examined specimens. This present study was supported by Research Grant Programme, Nagao Natural Environment Foundation (NEF), Tokyo, JAPAN. The work of the third author (A.V. Antropov) is supported by the Moscow State University Project No. 121032300105-0.

Competing interests. The authors declare no competing interests.

Figures

Figs 11–16. Trypoxylon spp, head in frontal view: 11 — T. prominens; 12 — T. rufigaster; 13 — T. thaianum; 14 — T. tomi; 15 — T. varipilosum; 16 — T. yumi; 11–15 — females; 16 — male. Рис. 11–16. Trypoxylon spp, голова спереди: 11 — T. prominens; 12 — T. rufigaster; 13 — T. thaianum; 14 — T. tomi; 15 — T. varipilosum; 16 — T. yumi; 11–15 — самки; 16 — самец.

Figs 25–30. Trypoxylon spp, female habitus, lateral view: 25 — T. fulviventre, male; 26 — T. pileatum, female; 27 — T. rufigaster, female; 28 — T. thaianum, female; 29 — T. tomi, female; 30 — T. yumi, male. Рис. 25–30. Trypoxylon spp, внешний вид самки сбоку: 25 — T. fulviventre, самец; 26 — T. pileatum, самка; 27 — T. rufigaster, самка; 28 — T. thaianum, самка; 29 — T. tomi, самка; 30 — T. yumi, самец.