New record of the rare genus Analysson Krombein, 1985 (Hymenoptera: Crabronidae) from Vietnam, with description of a new species

Analysson Krombein 1985, a rare genus of the family Crabronidae, is recorded for the first time from Vietnam. Analysson vietnamensis Pham sp. nov., the second species of the genus, is described and illustrated. A key to both species of Analysson is presented.