Skip to main content

Table 3 Presence of blood in the digestive tracts of the species of triatomines found in Caracas

From: Panstrongylus geniculatus and four other species of triatomine bug involved in the Trypanosoma cruzi enzootic cycle: high risk factors for Chagas’ disease transmission in the Metropolitan District of Caracas, Venezuela

   2007 2008 2009 2010 2011 2012 2013 Sub-total
Species Sex/stage No blood Blood No blood Blood No blood Blood No blood Blood No blood Blood No blood Blood No blood Blood No blood Blood
P. geniculatus Female 18 26 100 118 125 176 246 320 83 150 62 116 57 144 691 1050
  Male 19 8 116 48 151 72 392 173 97 47 74 33 67 42 916 423
  NIII 0 1 2 0 3 5 1 6 0 1 0 3 0 1 6 17
  NIV 0 5 5 2 3 15 3 7 0 1 2 7 2 9 15 46
  NV 0 1 0 1 3 5 0 5 0 3 0 3 0 0 3 18
  Sub-total 37 41 223 169 285 273 642 511 180 202 138 162 126 196 1631 1554
T. maculata Female 0 0 0 0 0 1 3 0 1 0 1 0 1 0 6 1
  Male 0 0 1 0 0 0 1 0 1 1 1 0 1 0 5 1
  Sub-total 0 0 1 0 0 1 4 0 2 1 2 0 2 0 11 2
T. nigromaculata Female 0 0 1 0 2 1 2 4 0 0 1 0 0 0 6 5
  Male 0 0 0 0 0 0 2 4 0 1 0 0 0 0 2 5
  Sub-total 0 0 1 0 2 1 4 8 0 1 1 0 0 0 8 10
R. prolixus Male 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1
  Sub-total 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1
Total number of triatomines 37 41 225 169 288 276 650 519 182 204 141 162 128 196 1651 1567