By RITCHER P. O.   in Journal of Economic Entomology

ISSN:1938-291X|42|5|838-839

Entomological Society of America‎(1949)‎

Access to resources Favorite 4.1076694

By RITCHER P. O.   in Annals of the Entomological Society of America

ISSN:1938-2901|41|2|206-212

Entomological Society of America‎(1948)‎

Access to resources Favorite 4.1076694

By RITCHER P. O.   in Journal of Economic Entomology

ISSN:1938-291X|33|4|704-704

Entomological Society of America‎(1940)‎

Access to resources Favorite 4.1076694

By RITCHER P. O.   in Journal of Economic Entomology

ISSN:1938-291X|33|5|812-812

Entomological Society of America‎(1940)‎

Access to resources Favorite 4.1076694

By RITCHER P.O.   in Journal of Economic Entomology

ISSN:1938-291X|34|1|67-72

Entomological Society of America‎(1941)‎

Access to resources Favorite 4.1076694

By JONES S. C.   RITCHER P. O.   in Journal of Economic Entomology

ISSN:1938-291X|57|3|423-423

Entomological Society of America‎(1964)‎

Access to resources Favorite 3.080752

By RITCHER P. O.   CALFEE R. K.   in Journal of Economic Entomology

ISSN:1938-291X|30|1|166-174

Entomological Society of America‎(1937)‎

Access to resources Favorite 3.080752

By KAMM J. A.   RITCHER P. O.   in Annals of the Entomological Society of America

ISSN:1938-2901|65|1|271-274

Entomological Society of America‎(1972)‎

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By RITCHER P. O.   JEWETT H. H.   in Journal of Economic Entomology

ISSN:1938-291X|35|3|441-445

Entomological Society of America‎(1942)‎

Access to resources Favorite 3.080752

By RITCHER P. O.   INSKO   JR. W. M.   in Journal of Economic Entomology

ISSN:1938-291X|41|1|123-124

Entomological Society of America‎(1948)‎

Access to resources Favorite 3.080752