An assassin bug.
assassin bug definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of a family (Reduviidae) of large brownish hemipteran insects that kill other insects and suck the life fluids from them: some species suck blood from mammals and may transmit Chagas' disease to humans
assassin bug definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of various predatory bugs of the family Reduviidae, which have short, curved, powerful beaks used to prey on other insects or, in certain genera, modified to suck blood from mammals. Also called reduviid.
assassin bug - Medical Definition
A predatory bug of the family Reduviidae having powerful piercing mouthparts that inflict irritating, painful bites on humans.