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  <titleInfo>
    <title>Ecological studies on the potato psyllid as a pest of potatoes</title>
  </titleInfo>
  <name type="personal">
    <namePart>Wallis, R. L. (Robert L.)</namePart>
    <namePart type="date">1902-</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <typeOfResource>text</typeOfResource>
  <genre authority="marc">bibliography</genre>
  <originInfo>
    <place>
      <placeTerm type="code" authority="marccountry">dcu</placeTerm>
    </place>
    <place>
      <placeTerm type="text">Washington</placeTerm>
    </place>
    <publisher>U.S. Dept. of Agriculture</publisher>
    <dateIssued>1955</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
  </language>
  <physicalDescription>
    <form authority="marcform">print</form>
    <extent>24 p. : ill., maps ; 23 cm.</extent>
  </physicalDescription>
  <note type="statement of responsibility">by R.L. Wallis.</note>
  <note>Caption title.</note>
  <note>Literature cited: p. [25]</note>
  <subject authority="lcsh">
    <topic>Jumping plant-lice</topic>
  </subject>
  <subject authority="lcsh">
    <topic>Potatoes</topic>
    <topic>Diseases and pests</topic>
  </subject>
  <classification authority="lcc">S21 .A72 no. 1107</classification>
  <relatedItem type="series">
    <titleInfo>
      <title>Technical bulletin (United States. Department of Agriculture) ; no.  1107</title>
    </titleInfo>
  </relatedItem>
  <identifier type="lccn">agr55000129</identifier>
  <recordInfo>
    <recordContentSource authority="marcorg">U.S. Dept. of Agr. Libr.</recordContentSource>
    <recordCreationDate encoding="marc">790813</recordCreationDate>
    <recordChangeDate encoding="iso8601">20260227111018.0</recordChangeDate>
    <recordIdentifier source="DLC">agr55000129 </recordIdentifier>
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