By Campbell Roy E.   in Entomological Society of America. Bulletin

ISSN:0013-8754|13|1|15-17

Entomological Society of America‎(1967)‎

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By CAMPBELL ROY E.   in Journal of Economic Entomology

ISSN:1938-291X|15|5|363-365

Entomological Society of America‎(1922)‎

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By CAMPBELL ROY E.   in Journal of Economic Entomology

ISSN:1938-291X|12|4|284-288

Entomological Society of America‎(1919)‎

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By CAMPBELL ROY E.   in Journal of Economic Entomology

ISSN:1938-291X|17|5|562-567

Entomological Society of America‎(1924)‎

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By CAMPBELL ROY E.   in Journal of Economic Entomology

ISSN:1938-291X|35|1|26-30

Entomological Society of America‎(1942)‎

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By CAMPBELL ROY E.   in Journal of Economic Entomology

ISSN:1938-291X|45|1|1-4

Entomological Society of America‎(1952)‎

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By CAMPBELL ROY E.   in Journal of Economic Entomology

ISSN:1938-291X|52|5|1034-1034

Entomological Society of America‎(1959)‎

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By CAMPBELL ROY E.   in Journal of Economic Entomology

ISSN:1938-291X|33|4|709-710

Entomological Society of America‎(1940)‎

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By CAMPBELL ROY E.   in Journal of Economic Entomology

ISSN:1938-291X|44|2|283-284

Entomological Society of America‎(1951)‎

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By CAMPBELL ROY E.   in Journal of Economic Entomology

ISSN:1938-291X|19|4|636-642

Entomological Society of America‎(1926)‎

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