Chalybion bengalense (Dahlbom, 1845)

Pham, Phong Huy & Antropov, A. V., 2021, Contributions to the knowledge of the spheciformes fauna (Hymenoptera: Ampulicidae, Crabronidae, Sphecidae) from Vietnam, Russian Entomological Journal 30 (3), pp. 314-322 : 315-316

1. Chalybion bengalense (Dahlbom, 1845)

Sphex violaceous Fabricius, 1775: 346 , ♀, ♂, “ South Africa: Cape of Good Hope ” (Lectotype: ♀, ZMUC ” .

? Sphex ferus Drury, 1782: 57 , ♀, “ China: no specific locality (lost)”.

? Sphex chrysis nitidulus Christ, 1791: 310 , sex not indicated, “incorrect original termination”, (Holotype or syntypes: origin not indicated (lost)).

Pelopoeus bengalense Dahlbom, 1845: 433 , ♀, ♂, “ India: Bengal : no specific locality”, (Holotype or syntypes: ♀, Lund).

Pelopoeus convexus F. Smith, 1876: 449 , ♂, “ Mascarenes : Rodriguez island ” (syntypes: ♂, BMNH) .

DISTRIBUTION. South Africa, Tanzania, Madagasca, Mascarenes, Seychelles islands, Ethiopia, Yemen, Maldives, Socotra, Eritrea, Mozambique, Bangladesh, Iraq, Egypt, Greece, Nepal, Italy, French Polynesia, Sri Lanka, India, Burma, Malaysia, Singapore, Thailand, China, Taiwan, Japan, Volcano Island, Philippines, Borneo, Java, Indonesia, Ternate, Misool, Sulawesi, Timor, Gilbert Island, Guam Island, Lesser Sunda Island, Chagos Archipelago, Australia, United State, Vietnam: Da Nang [ Tano, Kurokawa, 2015]; Sai Gon, Vung Tau [ Dollfuss, 2016]; Ha Noi, Thai Binh, Vinh Phuc, Nam Dinh, Son La, Hoa Binh, Ninh Binh, Thai Nguyen, Hung Yen, Quang Ninh, Bac Ninh, Lao Cai, Hai Duong, Phu Tho, Thanh Hoa, Nghe An, Quang Ngai, Kon Tum, Dak Lak, Yen Bai [ Pham, 2018; Pham, 2019a; Pham et al., 2019a,b].