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Table 1 Geographical origin and chromosomal traits of seven Triatoma species analysed in the present studyk

From: Holocentric chromosome evolution in kissing bugs (Hemiptera: Reduviidae: Triatominae): diversification of repeated sequences

Species and male diploid chromosome number (2n) Geographical origin %, chromosome location and size of autosomal C-heterochromatin
T. rubrofasciata (2n = 22A + X1X2Y) Vietnam, Hanoi, Tu Liem district. P. 21°2′48″N, 105°44′54″E 40%; 11 II with C-blocks in both chromosomal ends [22]
T. dimidiata (2n = 20A + X1X2Y) Guatemala, Jutiapa, Carrizal. D. 14°25′48″N, 89°57′28″W 10%; 10 II with C-dots in both ends [23]
T. barberi (2n = 20A + X1X2Y) Mexico, Queretaro, La Cueva. P. 20°29′4″N, 100°26′20″W 35%; 10 II with C-blocks in both ends [15]
T. nitida (2n = 18A + X1X2Y) Guatemala, Quiché, Zacualpa, D. 15°1′34″N, 90°52′42″W 25%; 2 II almost entirely C-heterochromatic [15]
T. lecticularia (2n = 20A + XY) Insectary CDC (Atlanta). Origin: USA, Oklahoma, Walkiria. 30%; 10 II with C-blocks in both ends [15]
T. infestans (non-Andean lineage) (2n = 20A + XY) Argentina, Chaco, Tres Estacas. P. 26°54′30″S, 51°40′23″W 24–30%; 2–4 II with C-blocks in one or both ends [24]
T. (Mepraia) spinolai (2n = 20A + X1X2Y) Chile, Metropolitan Region of Santiago, Colina. S. 33°11′53″S, 70°39′42″W 15%; 10 II with C-dots in both ends [25]
  1. Abbreviations: A autosomes, D domestic, P peridomestic, S sylvatic, II bivalents