The Shipley collection of scientific papers, Volume 2381920 - Zoology |
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abdominal adults appear apple Arzama attack August average bean become beet beetles body borers brown cage cat-tail caused cent closely color covered crop dark deposited described Description determine disease distribution early effect eggs emerged entered entire experiments fall feeding female field figs green ground growing grubs habits hatched head hopperburn importance inches indicated infested injury insect instar July June killed known larvae late later leaf leaf-beetle leafhopper leaves legs length less light molted moth natural noted nymphs observed occur orchard oviposition period pertinax placed plants Plate possible potato present probably produced pupa record region remain reported rows season seeds segment showing shown side soil species spray spring stage stem summer surface taken temperature tests third trees tubercles usually weevil wings winter writer yellow
Popular passages
Page 4 - If it consists in whole or in part of a filthy, decomposed, or putrid animal or vegetable substance, or any portion of an animal unfit for food, whether manufactured or not, or if it is the product of a diseased animal, or one that has died otherwise than by slaughter. Sec. 8. That the term
Page 9 - ... determine whether or not it is safe and profitable to add 20 per cent more of the lime-sulphur concentrate to a given amount of water, thus increasing the strength of the summer spray to that extent. In 1913 a proprietary spraying material in powder form, known under the trade name of "Soluble Sulphur," was used at the rate of 2 pounds to 50 gallons of water in combination with one pound of dry arsenate of lead. While this material appeared to be quite effective in scab control that season very...
Page 61 - In order that the ecological relationships of the insect fauna of the cat-tail plant may be better understood, the first part of this paper deals with the ecology of the cat-tail plant. In the second part, the life history and biology of the insect inhabitants of the plant are discussed. This part of the paper has been treated from a systematic point of view, considering the insects under their respective orders, rather than grouping them according to their life habits. In the resume", composing...
Page 16 - FH CHITTENDEN, in charge of truck crop and stored product insect investigations. AD HOPKINS, in charge of forest insect investigations. WD HUNTER, in charge of southern field crop insect investigations. FM WEBSTER, in charge of cereal and forage insect investigations. AL QUAINTANCE, in charge of deciduous fruit insect investigations. EF PHILLIPS, in charge nf bee culture.
Page 23 - Sc. D., In Charge of Truck Crop and Stored Product Insect Investigations.
Bibliographic information
| Title | The Shipley collection of scientific papers, Volume 238 The Shipley collection of scientific papers, Sir Arthur Everett Shipley |
| Contributor | Sir Arthur Everett Shipley |
| Published | 1920 |
| Original from | the University of California |
| Digitized | 22 May 2007 |
| Export Citation | BiBTeX EndNote RefMan |