Appendix S2. List of orthoclad species described by Edwards (1931) which were subsequently placed in other genera, their current name and reference of authors for full taxonomic history.
Orthoclad species described by Edwards (1931)	Current name	Reference	
Spaniotoma (Orthocladius) hirtinervis	Austrocladius hirtinervis	Freeman (1961)	
S. (O.) hamulata	Austrocladius hamulatus		
S. (O.) heterogenea	Austrocladius heterogeneus		
S. (O.) obliqua	Austrocladius obliquus		
Spaniotoma (Limnophyes) phillygra	Edwardsidia phylligra	Sæther (1990)	
S. (L.) candicans	Edwardsidia candicans		
S. (L.) subnudicollis	Limnophyes subnudicollis		
S. (L.) brachyarthra	Limnophyes brachyarthra		
S. (L.) collaris	Limnophyes collaris		
S. (L.) griseata	Limnophyes griseata		
S. (Smittia) nigroflava	Physoneura nigroflava	Ferrington Jr. & Sæther (1995)	
S. (S.) minuscula	Physoneura minuscula		
Cardiocladius acuminatus	Parapsectrocladius acuminatus	Cranston (2000)	
S. (Smittia) emarginata	Bryophaenocladius emarginatus	Wang et al. (2006)	
Corynoneura (Thienemanniella) costalis	Physoneura costalis	Paggi (2007)	
Spaniotoma (Eukiefferiella) claviculata	Parakiefferiella claviculata	Massaferro et al. (2009)	
Spaniotoma (Smittia) fortispinata	Allocladius fortispinatus	Andersen et al. (2010)
	
S. (Smittia) bilobulata	Allocladius bilobulatus		
S. (Orthocladius) patagonica	Ferringtonia patagonica	Sæther & Andersen (2010)	
Metriocnemus longicostalis	Gymnometriocnemus (Gymnometriocnemus) longicostalis	Ashe & O’Connor (2012)	
M. ancudensis	Gymnometriocnemus (Gymnometriocnemus) ancudensis		
S. (Orthocladius) barilochensis	Lipurometriocnemus barilochensis comb.n.	In this contribution	
Spaniotoma (Stictocladius) pulchripennis	Stictocladius pulchripennis	Sæther & Cranston (2012)	
S. (S.) flavozonata	Stictocladius flavozonata		
S. (S.) calonotum	Stictocladius calonotum