ironclad beetle

== English == === Etymology === From ironclad +‎ beetle, from their especially hard exoskeletons. === Noun === ironclad beetle (plural ironclad beetles) Any beetle of the subfamily Zopherinae which have exceedingly durable exoskeletons. Hypernym: zopherid === References === Zopherinae on Wikipedia.Wikipedia Zopherinae on Wikispecies.Wikispecies Category:Zopherinae on Wikimedia Commons.Wikimedia Commons