By CROSS JOHN E.   SIMPSON ROBERT G.   in Environmental Entomology

ISSN:1938-2936|1|5|631-633

Entomological Society of America‎(1972)‎

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By BRANSON TERRY F.   SIMPSON ROBERT G.   in Journal of Economic Entomology

ISSN:1938-291X|59|2|290-293

Entomological Society of America‎(1966)‎

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By SIMPSON ROBERT G.   BURKHARDT C. C.   in Journal of Economic Entomology

ISSN:1938-291X|53|1|89-94

Entomological Society of America‎(1960)‎

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By VOLKER KURT C.   SIMPSON ROBERT G.   in Environmental Entomology

ISSN:1938-2936|4|5|742-744

Entomological Society of America‎(1975)‎

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By EKLUND LESLIE R.   SIMPSON ROBERT G.   in Environmental Entomology

ISSN:1938-2936|6|1|69-71

Entomological Society of America‎(1977)‎

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By ELLSBURY MICHAEL M.   SIMPSON ROBERT G.   in Annals of the Entomological Society of America

ISSN:1938-2901|71|6|865-868

Entomological Society of America‎(1978)‎

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By SIMPSON ROBERT G.   BERRY RALPH E.   in Journal of Economic Entomology

ISSN:1938-291X|66|1|291-292

Entomological Society of America‎(1973)‎

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By BEST RICHARD L.   SIMPSON ROBERT G.   in Annals of the Entomological Society of America

ISSN:1938-2901|68|6|1117-1120

Entomological Society of America‎(1975)‎

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By SIMPSON ROBERT G.   BURKHARDT C. C   in Journal of Economic Entomology

ISSN:1938-291X|53|2|220-222

Entomological Society of America‎(1960)‎

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By SIMPSON ROBERT G.   WELBORN CHARLES E.   in Environmental Entomology

ISSN:1938-2936|4|2|193-194

Entomological Society of America‎(1975)‎

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