Table 3.

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

		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