Biological Variations in Three Geographical Populations of the Rice Weevil Complex

Populations of Sitophilus oryzae (L.) obtained from Louisiana and from Kansas were compared with a third population of S. zeamais Mots. from Arkansas, to determine their reproductive potential, developmental time, interbreeding and intrabreeding, population competition, ovipositional preference, adu...

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Bibliographic Details
Published in:Journal of the Kansas Entomological Society 1966-01, Vol.39 (1), p.32-41
Main Authors: Soderstrom, Edwin L., Wilbur, Donald A.
Format: Article
Language:English
Subjects:
Corn
Entomology
Frass
Grains
Oviposition
Population geography
Rice
Sorghum
Spermatozoa
Weevils
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Summary:Populations of Sitophilus oryzae (L.) obtained from Louisiana and from Kansas were compared with a third population of S. zeamais Mots. from Arkansas, to determine their reproductive potential, developmental time, interbreeding and intrabreeding, population competition, ovipositional preference, adult longevity, and larval frass ejection from grain kernels. Significant differences were noted among all three populations, especially between the two species of weevils.
ISSN:0022-8567
1937-2353