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  <titleInfo>
    <title>Studies on the beet leafhopper</title>
  </titleInfo>
  <name type="personal">
    <namePart>Knowlton, George F.</namePart>
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    <dateIssued encoding="marc">9999</dateIssued>
    <issuance>monographic</issuance>
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    <extent>2 p.</extent>
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  <note type="statement of responsibility"> by George F. Knowlton</note>
  <note>Sobretiro de: Utah Academy of Sciences Proceedings 7: 57-58, 1930. Encuadernado con otros impresos similares</note>
  <subject>
    <topic/>
    <topic> Hemípteros</topic>
    <topic> colecciones de escritos</topic>
    <topic> Circulifer tenellus</topic>
  </subject>
  <classification authority="ddc">PA-C 595.75 H4</classification>
  <identifier type="lccn">206843</identifier>
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    <recordIdentifier source="CHAP">Para_7894</recordIdentifier>
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