Synonyms: Larra dimidiata (heterotypic); Larra jokischiana; Larra pompiliformis (heterotypic); Larra quebecensis; Larra spec; Larrada parvula; Lyrops pompiliformis; Tachysphex angularis; Tachysphex argyrotrichus; Tachysphex consimilis; Tachysphex decorus; Tachysphex erythraeus; Tachysphex granulosus; Tachysphex jokischianus; Tachysphex nigripennis; Tachysphex parvulus; Tachysphex projectus; Tachysphex quebecensis; Tachysphex rufoniger; Tachysphex tenuipunctus; Tachytes jokischiana; Tachytes nigripennis; Tachytes pompiliformis (heterotypic)