English: Triatoma adult, dorsal and lateral. Genus characteristics: 1- Antennae consist of 4 elongated thin segments. 2- Base of antenna is at a position midway between eyes and anterior margin of the head. 3- At the base of the head is a pair of small eyes and a pair of large ocelli. 4- Thorax has a rough texture with large callosities or tubercles; it is dark brown. 5- Pronotum of the thorax is wide. 6- Scutellum of the thorax is elongated and turned down at its posterior margin. 7- Two pairs of wings are borne on the thorax; the fore-wings have thick veins; wings at rest are folded closely over the abdomen. 8- Abdomen is wide, with a distinct rim, and in unfed bugs is flattened. 9- Abdomen has varied patterns of brown on a yellow or orange background. 10- Proboscis is very long; when not in use it is folded beneath the head.