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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