* S. annulicornis Axelson, 1905

– Sminthurides annulicornis Axelson, 1905: 793

ON Folsom & Mills 1938; Christiansen & Bellinger 1981, 1998; Skidmore 1995

Remarks: Christiansen & Bellinger (1981, p. 1074) questioned the conspecificity of a single known female from Canada and the few known European specimens.

General distribution: possibly Holarctic, but unlikely.