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  1. Aphididae of southern California VIII
    By: Essig
    Type: Article
    In: Pomona College Journal of Entomology
    Volume: 4
    Date: 1912
    Page Range: 698--757
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  2. Aphididae of southern California. VIII. Plant lice affecting the citrus trees
    By: Essig
    Type: Article
    In: Pomona College Journal of Entomology and Zoology
    Volume: 3
    Date: 1911
    Page Range: 586--603
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  3. Host index to California plant lice, II (Aphididae)
    By: Essig
    Type: Article
    In: Pomona College Journal of Entomology
    Volume: 4
    Date: 1912
    Page Range: 826--828
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  4. A new species of Cinara from Oregon (Aphidae)
    By: Hottes - Essig
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 68
    Date: 1955
    Page Range: 61--63
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