Source : Webster's Revised Unabridged Dictionary (1913)

Phryganeides \Phryg`a*ne"i*des\, n. pl. [NL., fr. Phryganea, the
   typical genus, fr. Gr. ? a dry stick.] (Zo["o]l.)
   A tribe of neuropterous insects which includes the caddice
   flies; -- called also {Trichoptera}. See {Trichoptera}.
   [Written also {Phryganides}.]

Trichoptera \Tri*chop"te*ra\, n. pl. [NL., fr. Gr. tri`x,
   tricho`s, a hair + ? wing.] (Zo["o]l.)
   A suborder of Neuroptera usually having the wings covered
   with minute hairs. It comprises the caddice flies, and is
   considered by some to be a distinct order.

Source : WordNet®

Trichoptera
     n : an order of insects consisting of caddis flies [syn: {order
         Trichoptera}]