The insect seen here is called the "water" type of this word that also follows "Volga" in song
The Blot (1921); Bug Vaudeville (1921); Camille (1921); Dream Street (1921) 
.... Uncle Tom's Uncle (1926); Volga Boatman, The (1926); War Feathers (1926)... [DOC] [TLE] Siedlce, Poland (Pages 137-167) - JewishGen [PAR] Jun 21, 2014 ...