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assassin bug vs. kissing bug

assassin bug

noun

any of numerous bugs of the family Reduviidae, feeding chiefly on other insects but including some forms that are bloodsucking parasites of mammals.

kissing bug

noun

Informal.
1. a person much given to kissing.
2. an irresistible desire to kiss or be kissed.
any of several assassin bugs that attack humans, sometimes inflicting painful bites.