Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . Forficula tceniata, maleand female. Fig. The Croton bug, Pnyllodroniia germanica.—a, first stage; ^, second stage; f, thirdstage ; rf, fourth stage ; e, adult; /, 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 thecrevices where the insects hide. The mixture should be inti-mate, and is best made in a mortar, so that with each part of THE INSECT WORLD. 83
Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . Forficula tceniata, maleand female. Fig. The Croton bug, Pnyllodroniia germanica.—a, first stage; ^, second stage; f, thirdstage ; rf, fourth stage ; e, adult; /, 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 thecrevices where the insects hide. The mixture should be inti-mate, and is best made in a mortar, so that with each part of THE INSECT WORLD. 83 chocolate, of which the roaches are very fond, they will get alsoa particle of borax, which is poisonous to them. This mixturehas proved successful in many instances-within my own experi-ence, and has the advantage of being cheap as well as non-poi-sonous to man. The Raptoria, or graspers, form one family, the Mantid(Z,as odd in appearance as their habits are unusual. They areclumsy, heavy-bodied insects, with short, broad wings, themiddle and hind-legs rather weak, but with an unusually longand slender prothorax, to which is attached a pair of hugeforelegs
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1906
