QUADRIFIDUM species-group
Simulium cauchense Floch & Abonnenc
Alvan-Aguilar (2002, characterization, idiogram, inversions mapped): Brazil
Alvan-Aguilar, Hamada, Adler & Luz (2002, notes on general polytene features): Brazil
Alvan-Aguilar, Hamada, Adler & Luz (2005, characterization, idiogram, inversions mapped, photo of IIIL, resolution relative to S. quadrifidum): Brazil
Simulium cerradense Coscarón, Cerqueira, Schumaker & La Salvia
Lima & Hamada (2006, notes on general polytene features): Brazil
Hamada, Pereira & Adler (2008, note on location of nucleolar organizer): Brazil
Simulium daltanhani Hamada & Adler
Pereira (2004, characterization, female heterogamety, photos of all arms): Brazil
Pereira & Hamada (2004, female heterogamety, notes on general polytene features): Brazil
Hamada, Pereira & Adler (2008, characterization, female heterogamety, inversions mapped, partial resolution relative to S. ulyssesi, photos of all arms): Brazil
Simulium goeldii Cerqueira & Nunes de Mello
Ríos-Velásquez (2000, characterization, idiogram, photos of all arms): Brazil
Ríos-Velásquez, Hamada & Adler (2002, characterization, idiogram, photos of all arms, resolution relative to S. ulyssesi): Brazil
Simulium quadrifidum Lutz
Procunier (1989, photos of CII and IIS): [Brazil]
Alvan-Aguilar (2002, characterization, idiogram, inversions mapped, photos of all arms): Brazil
Alvan-Aguilar, Hamada, Adler & Luz (2002, notes on general polytene features): Brazil
Alvan-Aguilar, Hamada, Adler & Luz (2005, characterization, photos of all arms, resolution relative to S. cauchense): Brazil
Simulium ulyssesi (Py-Daniel & Coscarón)
Ríos-Velásquez (2000, characterization, idiogram, inversions mapped): Brazil
Ríos-Velásquez, Hamada & Adler (2002, characterization, idiogram, inversions mapped, resolution relative to S. goeldii): Brazil