ProcerocymbiumProcerocymbium is a genus of sheet weavers that was first described by K. Y. Eskov in 1989.Speciesit contains four species:Procerocymbium buryaticum Marusik & Koponen, 2001 – RussiaProcerocymbium dondalei Marusik & Koponen, 2001 – CanadaProcerocymbium jeniseicum Marusik & Koponen, 2001 – RussiaProcerocymbium sibiricum Eskov, 1989 – Russia