. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . The Croton bug, Phyllodromia geynnanica.—a, first stage; b, second stage; c, third stage; rf, fourth stage ; e, adult; f, adult female with egg-case ; g, egg-case, enlarged ; h, adult with wings spread. All natural size except^. parts of finely powdered chocolate and borax, dusted into the crevices where the insects hide. The mixture should be inti- mate, and is best made in a mortar, so that with each part of


Size: 3239px × 1543px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectentomology, bookyear1