 | American Institute of the City of New York - 1853 - 550 pages
...trees early in September. Thus the existence of this species is limited to one year. "White washing and covering the trunks of the trees with grafting...great extent in plantations or large nurseries of these trees. Perhaps it will be useful to head down young trees to the ground with the view of destroying... | |
 | Thaddeus William Harris - 1862 - 700 pages
...excellent account* of this insect, the grubs attain their full size by the 20th of July, soon become pupa;, and are changed to beetles and leave the trees early...the ground, with the view of destroying the grubs con* Massachusetts Agricultural Repository utid Jourual, Vol. VL p. 272. tained in them, as well as... | |
 | Cuthbert William Johnson - 1869 - 1296 pages
...272), of this insect, the grubs attain their full size by the twentieth of July, soon become piiprr. and are changed to beetles and leave the trees early...carried to any great extent in plantations or large nur- , series of the trees. Perhaps it will be useful to head down young trees to the ground, with... | |
 | 1881 - 284 pages
...insect dies by asphyxiation — ic, drowns. Harris states that whitewashing and covering the trnnks of the trees with grafting composition may prevent the female from depositing her eggs npon isolated trees. Also, yonng trees might be beaded down to the ground, so as to destroy the grubs... | |
 | Kansas State Horticultural Society - 1889 - 516 pages
...of the trees to repair the injuries they have suffered. The grubs attain their full size by the 20th of July, soon become pupae, and are changed to beetles,...upon them; but this practice cannot be carried to any extent in plantations or large nurseries of trees. Perhaps it would be useful to head down young trees... | |
 | Kansas State Horticultural Society - 1889 - 522 pages
...of the trees to repair the injuries they have suffered. The grubs attain their full size by the 20th of July, soon become pupae, and are changed to beetles,...upon them; but this practice cannot be carried to any extent in plantations or large nurseries of trees. Perhaps it would be useful to head down young trees... | |
 | Kansas State Horticultural Society - 1889 - 520 pages
...injuries they have suffered. The grubs attain their full size by the 20th of July, soon become рпрш, and are changed to beetles, and leave the trees early...upon them; but this practice cannot be carried to any extent in plantations or large nurseries of trees. Perhaps it would be useful to head down young trees... | |
 | United States Entomological Commission, Alpheus Spring Packard - 1890 - 1058 pages
...throughout the interior of the body and the insect dies by asphyxiation — ie, drowns. Harris states that whitewashing and covering the trunks of the trees...may prevent the female from depositing her eggs upon isolated trees. Also, young trees might be headed down to the ground, so as to destroy the grubs boring... | |
 | United States Entomological Commission - 1890 - 1078 pages
...throughout the interior of the body and the insect dies by asphyxiation — ie, drowns. Harris states that whitewashing and covering the trunks of the trees...may prevent the female from depositing her eggs upon isolated trees. Also, young trees might be headed down to the ground, so as to Destroy the grubs boring... | |
 | 1891 - 754 pages
...throughout the interior of the body and the insect dies by asphyxiation. Harris states that white washing and covering the trunks of the trees with grafting...may prevent the female from depositing her eggs upon isolated trees. Also, young trees might 'be headed down to the ground, so as to destroy the grubs boring... | |
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July, soon become pupa?, and are changed to beetles and leave the trees early in September. Thus the existence of this species is limited to one year. White-washing, and covering the trunks of the trees with grafting composition, may prevent the female... 
