image of a bed bug triatoma sanguisuga biting humans facemoutheyes illustrating transmission of chagas disease by kissing bug

eastern bloodsucking conenose kissing bed bug triatoma sanguisuga insect vector chagas disease transmission parasite trypanosoma cruzi bites human hosts face mouth eyes areas four distinct views dorsal lateral ventral apical nocturnal feeding habits flat ovalshaped body unfed reddishbrown black coloration hemimetabolous development 14 stages life cycle ovipositor egg laying antennae sensory structures mandibles adapted piercing skin sucking blood transverse ridges pronotum