Pseudoneuroptera
/ˌs(j)uːdəʊnjʊˈrɒpt(ə)rə/ /ˌs(j)uːdəʊnjʊəˈrɒpt(ə)rə/Entomology. Now historical
noun
With singular concord: a former order of insects resembling neuropterans but undergoing incomplete metamorphosis, which included mayflies, dragonflies, termites, etc. Treated as plural: insects of this order collectively.
Origin
Mid 19th century; earliest use found in Transactions of the American Entomological Society. From scientific Latin Pseudoneuroptera, former order name (attributed to W. F. Erichson 1840) from pseudo- + Neuroptera.