Sentence:  Nuthatches search the crevices of bark at other times during the year for insects, including beetles, <WSD>earwigs</WSD>, flies and bugs, and they open galls (swellings in plants) to extract grubs. 
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.