Parasitic insect (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">parasitic insect</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for flea that I've seen before include "Circus insect?" , "Little jumper?" , "Bloodsucking parasite" , "In your ear, this insect is a rebuke" , "Wingless, jumping insect" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">parasitic insect</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for louse that I've seen before include "Wingless parasite" , "Wingless bloodsucking insect" , "Wingless parasitic insect" , "Human parasite" , "Insect -- nasty character, undeserving of respect" .)