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Table 4 shows that, with 1 exception, all lots from infested stems showed a loss in
weight. In the single exception, concentration of the jointworm in strong stems
was so obvious that it would have been easily discernible even to the most ...
WHEAT JOINTWORM The wheat jointworm (Harmolita tritici (Fitch)) is one of the
most consistently injurious insect enemies of soft wheat in the East Central and
Atlantic States. Heavy outbreaks of this pest occurred in 1949 over most of ...
3
The Wheat
Jointworm and Its Control
The parasites have made it possible usually for the majority of wheat growers to
grow fair crops of wheat in spite of the j o i n t w o r m . But these friends of the
wheat farmer can not be relied upon always by any means, as the writer has
seen ...
William Jeter Phillips, 1918
4
The Serphoid and Chalcidoid Parasites of the Hessian Fly
REVIBW OP LITERATURE Semiotellus chalcidiphagus was first described and
figured by Walsh and Riley in 1869 from specimens reared from galls of the
barley jointworm, Harmolita hordei (Harris) , collected in Canada. The following
year ...
Arthur Burton Gahan, 1933
5
Miscellaneous Publication
Phillips, W. J. (909) report on isosoma investigations. Jour. Econ. Ent. 10: 140.
1917. Comparative injury by Isosoma and Phylophaga discussed. (910) the
wheat jointworm and its control. U.S.Dept. Agr. Farmers' Bull. 1006, 14 pp., illus.
1918.
6
An Annotated Bibliography of the Hessian Fly, Phytophaga ...
Phillips, W. J. (909) report on isosoma investigations. Jour. Econ. Ent. 10: 140.
1917. Comparative injury by Isosoma and Phytophaga discussed. (910) the
wheat jointworm and its control. U.S. Dept. Agr. Farmers' Bull. 1006, 14 pp., illus.
1918.
Joseph Sanford Wade, 1934
7
Hymenoptera reprints: Bradley collection
PARASITES By W. J^Phillips and F. W. Poo3, Entomological Assistants, Cereal
and Forage Insect Investigations, Bureau of Entomology, United States
Department of Agriculture INTRODUCTION1 The importance of the control of the
jointworm ...
The cause of its own excessive abundance lies in the outbreaks of the
Angoumois grain moth upon the grain in the East and the jointworm in the wheat
straw in the Middle West. Therefore “chiggers” do not appear to figure as a. cause
in such ...
United States. Bureau of Entomology, 1908
9
Handbook of small grain insects
Weiss Wheat Jointworm Scientific Classification. Tetramesa tritici (Fitch); barley
jointworm, Tetramesa hordei (Harris). Hymenoptera (Eurytomidae). Origin and
Distribution. This native insect is found throughout wheat-growing areas east of
the ...
G. David Buntin, Entomological Society of America, 2007
10
Farmers' Bulletins Nos.1001-1025
THE WHEAT JOINTWORM1 CONTROL. AND ITS CONTENTS. Wheat jointworm
and Hessian fly 3 States in which wheat jointworm damage occurs 4 Economic
importance 4 Nature of in jury 5 Seasonal history '8 History ol the wheat
jointworm ...
US department of Agriculture, 1920
