Caddis flies or Trichoptera of New York State
Betten, C.
Caddis flies or Trichoptera of New York State - NewYork 1934 - 1-576 p. - New York States Museum Bulletin No. 292 .
Caddis flies or Trichoptera of New York State - NewYork 1934 - 1-576 p. - New York States Museum Bulletin No. 292 .