any of certain hemipteran insects (family Reduviidae) with a conelike base on the sucking beak, esp. a bloodsucking genus (Triatoma) that sometimes transmits parasites: found in the S U.S. and tropical America
See conenose in American Heritage Dictionary 4
noun
Any of various bloodsucking hemipterous insects of the family Reduviidae, especially Triatoma sanguisuga of Mexico and the southern and western United States, having sucking mouthparts and capable of inflicting a painful toxic bite. Although they usually prey on insects, some suck the blood of mammals. Also called cone-nosed bug, kissing bug.