Wasp (6)
I believe the answer is:
hornet
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wasp</span>' is the definition.<br/ ><span class="explanation-format__explanation">(hornet is a kind of wasp)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hornet that I've seen before include "Stingy type" , "Stinging insect" , "Large social wasp with fierce sting" , "Large wasp with vicious sting" , "Troublesome nester" .)