Here the fundamental characters of the larva are those of the Corydalus and Sialis and.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

Corydalus are too large for use and, as Walsh observed, are converted in the male into simple clasping organs.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

Corydalus, mandibles of, 182.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference