Subgenus Subsigara Stichel, 1935
- Hungerford, H.B. 1948. The Corixidae of the western hemisphere (Hemiptera) 32: 1-827. Kansas University Science Bulletin.
- Leach, W.E. 1817. On the classification of the natural tribe of insects Notonectides, with descriptions of the British species 12: 10-18. Transactions of the Linnean Society of London.
- Stichel, W. 1925-1938. Illustrierte Bestimmungstabellen der Deutschen Wanzen (Hemiptera - Heteroptera) (1-16): i-ii, 1-499 [(1) (1925a): i-ii, 1-36; (2) (1925b): 37-58; (3) (1925c): 59-90; (4) (1926a): 91-120; (5) (1927): 121-146; (6-7) (1930): 147-210; (8) (1938a): 211-242; (9) (1933): 243-273; (10) (1934): 275-306); (11) (1935a): 307-330; (12) (1935b): 331-362; (13) (1937a): 363-394; (14) (1938b): 395-426; (15) (1938c): 427-458; (16) (1938d): 459-499. Stichel, Berlin-Hermsdorf.
- Walton, G.A. 1936. A new species of Corixidae, Sigara pearcei (Hemipt.) from Ireland; together with descriptions of its closely related species 3: 33-47. Transactions of the Society for British Entomology.