AMAZONICUM species-group
Simulium argentiscutum Shelley & Luna Dias
Mattos, Hamada & Luz (2003, notes on female heterogamety): Brazil
Simulium oyapockense Floch & Abonnenc (complex)
Procunier (1988a, note on status as species complex): [Latin America]
Luz (1999, reference not seen): Brazil
Pereira, Hamada & Luz (2001a, idiograms, notes on general polytene features of two populations [as S. oyapockense ‘Bem Querer’ and S. sanchezi]): Brazil
Pereira, Hamada & Luz (2001b, notes on fixed-inversion differences between S. oyapockense ‘Bem Querer’ and S. sanchezi) [as S. oyapockense ‘Bem Querer’ and S. sanchezi]): Brazil
Simulium roraimense Nunes de Mello
Procunier (1987b, reference not seen): [Brazil]
Procunier, Shelley & Arzube (1987a, 1987b, notes on female heterogamety; as S. oyapockense ‘manabi’ cytoform): [Brazil]
Procunier (1989, photos of CI and IL polymorphism; as S. oyapockense ‘Manabi’ cytoform): [Brazil]
Luz (1999, reference not seen): Brazil
Simulium sanguineum Knab
Procunier (1989, photos of CII and IIS): [? Colombia]