Sentence:  The idea was probably strengthened by the <WSD>earwig</WSD>′s appearance, with a sharp, pincer-like appendage extending to the rear. However, <WSD>earwigs</WSD> are herbivores, and they are no more likely to enter an ear than are ants, bees, flies, or any other small insect. Even when <WSD>earwigs</WSD> do occasionally find their way into human ears, they cannot burrow their way through the skin and into the brain. 
Meaning of the word marked with <WSD> tags:  Any of various insects of the order Dermaptera that have elongated bodies, large membranous wings folded underneath short leathery forewings and a pair of large pincers protruding from the rear of the abdomen.