Twinnia, Stone & Jamnback

Adler, Peter H. & Crosskey, Roger W., 2015, Cytotaxonomy of the Simuliidae (Diptera): a systematic and bibliographic conspectus, Zootaxa 3975 (1), pp. 1-139 : 23

Genus TWINNIA Stone & Jamnback

Twinnia hirticornis Wood

Rothfels & Freeman (1966, characterization; cytodendrogram; idiogram; photos of IS partial, CIIS + CIIIS region, and polymorphisms; resolution relative to Prosimulium standard; whole-arm interchange [IIL + IIIL, IIS + IIIS]; as T. nova ): Canada

Rothfels (1979, cytodendrogram): Canada, USA

Rothfels (1980, photo of de novo interchange in polytenes of single cell): [ Canada]

Adler, Currie & Wood (2004, chromosomal characters in larval key): North America

Twinnia hydroides Novák

Chubareva (1977 a, 1977d, description, idiogram): Czech Republic

Chubareva (1977b, description, idiogram, photos of metaphase and polytene complements, polytene chromosome lengths): Czech Republic

Chubareva & Petrova (1979, 2003, notes on general polytene features, polytene chromosome lengths): Czech Republic

Rothfels (1979, cytodendrogram): Czech Republic

Chubareva (1984, photos of metaphase and low-resolution polytene complements): [ Czech Republic]

Chubareva & Petrova (2008a, description, photos of metaphase and polytene complements, polytene chromosome lengths): Czech Republic

Twinnia magadensis Rubtsov

Adler & McCreadie (2002, low-magnification photo of polytene complement): Russia

Twinnia nova (Dyar & Shannon)

Rothfels & Freeman (1966, characterization; cytodendrogram; idiogram; photos of IS partial, IL, and CIIL + CIIIL region; resolution relative to Prosimulium standard; whole-arm interchange [IIL + IIIL, IIS + IIIS]; as T. biclavata ): Canada, USA

Rothfels (1979, cytodendrogram): Canada, USA

Adler, Currie & Wood (2004, chromosomal characters in larval key): North America

Twinnia tibblesi Stone & Jamnback

Rothfels & Freeman (1966, characterization, cytodendrogram, idiogram, photos of all arms, resolution relative to Prosimulium standard): Canada, USA

Rothfels (1979, cytodendrogram): Canada, USA