BulletinU.S. Government Printing Office, 1883 |
Dentro del libro
Resultados 1-5 de 84
Página 16
... Pupa . - Two pupa were kept in cold room at from 34 ° to 48 ° from May 2 to May 11 ; were then removed to warm room . One partially trans- formed May 18 , but died , and the other died May 25. This observation has no significance , but ...
... Pupa . - Two pupa were kept in cold room at from 34 ° to 48 ° from May 2 to May 11 ; were then removed to warm room . One partially trans- formed May 18 , but died , and the other died May 25. This observation has no significance , but ...
Página 36
... pupa upon the roof of the extension , although fallen leaves in corners offered convenient resting places for them . Nor had he noticed in all of the hours that he passed under the elms in his study of the insect one of the larvæ upon ...
... pupa upon the roof of the extension , although fallen leaves in corners offered convenient resting places for them . Nor had he noticed in all of the hours that he passed under the elms in his study of the insect one of the larvæ upon ...
Página 37
... pupa . These observations were made July 10. Climbing upon a tall fence and examining the crotches of one of the largest of these trees , the pupa were found in such numbers that they could have been scraped up by the handful ...
... pupa . These observations were made July 10. Climbing upon a tall fence and examining the crotches of one of the largest of these trees , the pupa were found in such numbers that they could have been scraped up by the handful ...
Página 38
many ( at an estimate ) of the pupa as were to be found upon any one of the elms . It must be remembered that but a small portion of the circumferential growth of the top of each elm overhung the horse- chestnut . Perhaps the portions ...
many ( at an estimate ) of the pupa as were to be found upon any one of the elms . It must be remembered that but a small portion of the circumferential growth of the top of each elm overhung the horse- chestnut . Perhaps the portions ...
Página 44
... pupa on horse - chestnut was at all conclusive . He said that the larvæ have a very great climbing tendency , instancing a number of cases corroborating this fact . He had taken in one instance no less than 21 larvæ from a deserted ...
... pupa on horse - chestnut was at all conclusive . He said that the larvæ have a very great climbing tendency , instancing a number of cases corroborating this fact . He had taken in one instance no less than 21 larvæ from a deserted ...
Otras ediciones - Ver todas
Términos y frases comunes
abundant adult Agric Agriculture apiary appear apple arsenate arsenite asparagus attack August bark beans bees beetles board of horticultural borer buds Bull Bulletin burlap C. L. Marlatt caterpillars certificate chinch bug colonies color commissioners cowpeas damage destroyed destruction disease disinfect district economic entomologists effect egg clusters examination Experiment Station exterminated fact feeding female foliage food plants foul brood fruit trees fungus galleries genus habits horticultural infested injurious insects insecticide inspector July June kerosene known large numbers larva larvæ later leaf leaves lime localities locusts moth nearly notice nursery stock observed occur Ohio orchards owner parasites Paris green peach pear person plum present probably Professor pupa reared received remedies reported Rocky Mountain locust San Jose scale scale insects season September soap species specimens spraying strawberry thereof tion twigs vicinity vines Washington weevil worm writer young
Pasajes populares
Página 8 - ... they shall notify the owner or owners, or person or persons in charge, or in possession of the said...
Página 43 - ... periodicals, and other documents containing valuable information relating to horticulture, and to preserve the same ; to collect statistics and other information showing the actual condition and progress of horticulture...
Página 33 - ... shall be guilty of a misdemeanor, and upon conviction thereof shall be punished by a fine of not less than twenty-five dollars ($25) nor more than two hundred dollars ($200), or by imprisonment in the county jail not less than sixty days nor more than one year...
Página 27 - The notice shall contain a simple statement of the facts as found to exist, with an order to effectually remove and destroy, by fire or otherwise, the trees so marked and designated, within ten days, Sundays excepted, from the...
Página 98 - ... proper credentials to the secretary and by authorizing him to sign their names to this constitution. Other persons engaged in practical work in economic entomology may be elected by a two-thirds vote of the members present at any regular meeting of the association.
Página 5 - SRC. 2. It shall be the duty of the county board of horticultural commissioners in each county, whenever it shall deem it necessary, to cause an inspection to be made of any orchards...
Página 15 - The sum of five hundred dollars annually, or so much thereof as may be necessary, is hereby appropriated for the purpose of paying the expenses of the State entomologist in the performance of his duties under the provisions of this act, and the auditor of public accounts is hereby directed to honor requisitions made by said State entomologist for expenses incurred in the performance of his duties, and the State entomologist shall make annual report to the treasurer of the amount expended.
Página 54 - ... shall be deemed guilty of a misdemeanor, and upon conviction thereof shall pay a fine of not less than five hundred nor more than one thousand dollars or be imprisoned not more than six months, or both, at the discretion of the court...
Página 6 - Any and all sum or sums so paid shall be and become a lien on the property and premises from which said nuisance has been removed or abated in pursuance of this act, and may be recovered by an action against such property and premises.
Página 39 - That the sum of dollars, to be available on the day of , nineteen hundred and — , or so much thereof as may be necessary, is hereby appropriated, out of any moneys in the Treasury of the United States not otherwise appropriated, to carry into effect the provisions of this act. SEC.