. Marvels of insect life [microform] : a popular account of structure and habit. Insects; Insectes. The Vine-Aphis. iâ mur I âmlân but,, h T â '''â "â "'"' ^""-'Pl"* »^'^ nn,hin« much «ns ,,,., 'th! i . ' . r"' "," r'" "â â¢""^"'"" '" "- ^'"-. not until ,»,8 tliat connwti , h ''""'â '->â '' bv "'ni'tv cunt. It was that datu to thi- present, althouKh iviiy mi'aiis that scion,,, and pra, - tii-al horticulture can lia- hccn put in operation a
. Marvels of insect life [microform] : a popular account of structure and habit. Insects; Insectes. The Vine-Aphis. iâ mur I âmlân but,, h T â '''â "â "'"' ^""-'Pl"* »^'^ nn,hin« much «ns ,,,., 'th! i . ' . r"' "," r'" "â â¢""^"'"" '" "- ^'"-. not until ,»,8 tliat connwti , h ''""'â '->â '' bv "'ni'tv cunt. It was that datu to thi- present, althouKh iviiy mi'aiis that scion,,, and pra, - tii-al horticulture can lia- hccn put in operation against the enemy with f;"d local results, it has continued to spread over Western and Central Europe and the (ape, and milli,ms ol acres of wine-producinK Innd have been de- vastated. The l-:uroi)ean concerned formed a Phylloxera Con vention, on wliose advice the various \ernments have adopted stringent laws for the destruction of all nifeeted plants, and to stop the miimrtation of further suppli,s of all plants that mif;ht possiblv har- bour the pest. There is food for thought here in the si)ectacle of nations with huge standing armies and fortified frontiers, who have taken all possible measures against aggression by their own spi'cies, being set at naught bv insignificant Insects individually measuringabout I mm. ! To the naked eve this Insect' is not greatly unlike the wingless green-fly with which we are all so familiar, but under a g,)od lens there certain differences separating. The \'ine .\phis. â \ IM'rlioii of vide liiKlcr^fmimtl wjiigi^,., .â.âââ. uH-unv riRht IS an fiiiiaJp wiih iht' wpiWd ]âal,-, anj bOow ,ha, axain U a i ^S"S;:;j£,^;^â¢g-|;v,... â t from the true aphis. "YTizz nZin:";;:::;::::"":::"?::- , of producing alternate generations on of d fft nt " cies .h" '"' bcre a migration only between leaves and ^ In AmeHca the X \ Z J" attacks
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1915
