A particular kind of insect, a member of the family Pyrrhocoridae.(noun)
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Use "redbug" in a sentence
"Hillary should stop lending herself millions of dollars for a losing campaign and perhaps put that money where her mouth is, and help America by donating it to help rebuild Katrina-torn Louisiana! redbug - Ohio for OBAMA"
"The tiny mite called by the natives jigger and redbug is more annoying than the wood-tick, one reason being that there are so many more of him."
"Ooh, and speaking of comfort, I never will forget the time I sat on the "redbug capital of the world.""