Sialidae

plural noun Si·al·i·dae \ sīˈaləˌdē \

Definition of Sialidae

:a family of usually large insects (order Megaloptera) including the hellgrammite, alderflies, and related forms and having the hind wings broad at the base with their anal angle folding in plaits

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Origin and Etymology of sialidae

New Latin, from Sialis, type genus + -idae


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