The Shipley Collection of Scientific Papers, Volume 2381920 |
From inside the book
Results 1-5 of 41
Page 14
... within was limp and apparently dying . The surplus moisture was removed quickly , whereupon the larva revived almost at once . If the same amount of moisture had entered the stem. 14 BULLETIN 841 , U. S. DEPARTMENT OF AGRICULTURE .
... within was limp and apparently dying . The surplus moisture was removed quickly , whereupon the larva revived almost at once . If the same amount of moisture had entered the stem. 14 BULLETIN 841 , U. S. DEPARTMENT OF AGRICULTURE .
Page 15
If the same amount of moisture had entered the stem where the larva was hibernating it probably would have caused its death . This experiment , taken in connection with others that were not so directly conclusive , seems to prove that ...
If the same amount of moisture had entered the stem where the larva was hibernating it probably would have caused its death . This experiment , taken in connection with others that were not so directly conclusive , seems to prove that ...
Page 19
... entering the orchard to ovi- posit might be expected to alight more frequently on the outer trees . During four of the five years over which counts were made , however , the Grimes in the center were much more severely at- tacked ...
... entering the orchard to ovi- posit might be expected to alight more frequently on the outer trees . During four of the five years over which counts were made , however , the Grimes in the center were much more severely at- tacked ...
Page 21
... entered the orchard from outside the 600 - foot strip in 1916. Plat 4 : Posi- tion of 44 eggs deposited by beetles which entered the orchard from outside the 600 - foot strip in 1917 . THE PAGE ORCHARD . The Page orchard , like the ...
... entered the orchard from outside the 600 - foot strip in 1916. Plat 4 : Posi- tion of 44 eggs deposited by beetles which entered the orchard from outside the 600 - foot strip in 1917 . THE PAGE ORCHARD . The Page orchard , like the ...
Page 23
... borers were present , all having evidently hatched from eggs deposited by females which had entered the orchard across the 300 - foot strip . The Page orchard and the strip surrounding it were kept ROUNDHEADED APPLE - TREE - BORER . 23.
... borers were present , all having evidently hatched from eggs deposited by females which had entered the orchard across the 300 - foot strip . The Page orchard and the strip surrounding it were kept ROUNDHEADED APPLE - TREE - BORER . 23.
Common terms and phrases
abdominal segment abundant adults alfalfa weevil Allorhina nitida antennae appear apple Arzama Arzama obliqua attack August average bean beet borers burrow cage Calendra cat-tail cent Cephus Cephus cinctus climatic color Cotinis crop curly-leaf dark brown decora deposited disease dorsal early eggs elytra emerged entered soil Entomology experiments feeding female field fig moth figs flowers foliage food plants Galerucella grass ground grubs habits hatched head hibernation hopperburn inches infested injury insect instar Japanese beetle July July 25 killed large number larvæ leaf leafhopper leaves legs length Mesothoracic metathorax molted nymphs oblonga observed occur orchard oviposition parasites period pest Plate potato prepupae prothorax pupa pupal pupation rainfall region rhizome season seeds serghi setae showing Smyrna species specimens spiracles spray spring stage stem sterilized surface temperature third instar thorax trees tubercles Typha latifolia Utah ventral width 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.