Caterpillars and such (6)
I believe the answer is:
larvae
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">caterpillars and such</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for larvae that I've seen before include "Immature forms of invertebrates" , "Eg, caterpillars" , "Insects in the first stage of life" , "Insects in immature state" , "Grubs" .)