reduce the stand. The damage is most noticeable in thin 
stands, but may also occur in heavy stands. 
The following reference sources were used to compile 
the bibliography: Review of Applied Entomology, Bio- 
logical Abstracts, USDA Bibliography of Agriculture, 
Agricultural Index, and footnotes and literature cited in 
the references themselves. The bibliography includes all 
references occurring in these sources and is as complete 
as possible. There has been no screening of references 
and therefore, considering the European origin of most 
pest species, the bibliography includes numerous Euro- 
pean publications. 
All articles which were in the University of Kentucky 
and University of Tlinois libraries were read and indexed 
from the publications themselves. Articles which were 
not available in the libraries or on inter-library loan were 
indexed from the published abstract or title. These ar- 
ticles which have not been seen are designated by the 
symbol #. The references are listed alphabetically by 
author(s) and numbered consecutively. A subject grid 
table containing the reference numbers appears following 
the numbered references. References are arranged accord- 
ing to subject and period of publication. The table is 
intended as a quick subject index to the references in the 
bibliography. More in-depth indexing was done for the 
SIRIC system. 
Abbreviations and complete titles of the sources which 
appear in the bibliographic entries are presented in a 
listing at the end of the paper. References to most te- 
ports in the USDA Cooperative Economic Insect Report, 
USDA Insect Pest Survey Bulletin, and Canadian Insect 
Pest Review have not been included. 
Mr. Ray Kotek worked in the organization of the files 
and provided general technical assistance, and Oar. 
Glissendorf edited the manuscript. Their collaboration 
is gratefully acknowledged. 
BIBLIOGRAPHY 
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and fungus pests on plants in England and Wales in the 
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fungus pests on plants in England and Wales, in the year 
1918. Misc. Publ. Bd. Agr. Fish. Intell. Dep. Plant Dis. 
Br. London 23:5-15, 29-42. 
3: 1921/1922. Department of Entomology. Pur- 
due Univ. Agr. Exp. Sta. Annu. Rep. 35:28-31. illus. 
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G2": 
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6, ________. 1927. Injurious insects and other pests. Kans. 
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7, _____, 1952. DDT stops sweet clover weevils. Wal- 
laces’ Farmer & Iowa Homestead 77(6) :42. 
#8... 1952. De bestrijding van bladrandkever, kar- 
wijmot, vlasthrips, aardvlooien en bietenvlieg. [Control of 
the pea weevil, the caraway moth, thrips on flax, flea 
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von Luzerneschadlingen und ihrer Parasiten. [Observa- 
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sites.] (English summary) Gesunde Pflanz. 16(7) :136- 
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Melilotus infesta leaves on resistance to feeding by the 
sweetclover weevil. Crop Sci. 9(5) :667-669. illus. refs. 
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18. ‘ , and . 1970. Sweetclover 
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10(5) :477-479. illus. refs. 
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1968. A water-soluble factor in Melilotus officinalis leaves 
which stimulates feeding by the adult sweetclover weevil. 
J. Econ. Entomol. 61(4) :1111-1112. illus. refs. 
90. ______, F. A. Hasxuns, and H. J. Gorz. 1969. Sweet- 
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cation. Science 163(3864) : 293-294. illus. refs. 
Ms ; ; , and G. R. MAnNeuiz. 
1968. Water-soluble factors in Melilotus leaves which 
influence feeding by the sweetclover weevil. Crop Sci. 
8(5) :574-576. illus. refs. 
22; ; , , and ____ ae 
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sugars and related compounds. J. Econ. Entomol. 63(4) : 
1079-1080. illus. refs. 
__, G. R. Maneurrz, H. J. Gorz, and F. A. Has: 
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