Entomology definition of Corrodentia: an ordinal term meaning gnawers:
net-veined or wingless: mandibulate, mouth formed for gnawing;
transformation incomplete; thorax incompletely agglutinated: =
Psocoptera: includes Termitidae, Psocidae and Mallophaga.
{Scanner’s comment: These four groups are now placed in
totally separate orders, and not families as these names
imply}