Journal of Pest Science

, Volume 86, Issue 3, pp 499–505

Methodology for determining susceptibility of rough rice to Rhyzopertha dominica and Sitotroga cerealella

  • Frank H. Arthur
  • Laura Starkus
  • C. Michael Smith
  • Thomas W. Phillips
Original Paper


Varieties of rough rice, Oryzae sativa (L.), were obtained from different sources in the south-central United States and evaluated for susceptibility to the lesser grain borer, Rhyzopertha dominica (Fab.), and the Angoumois grain moth, Sitotroga cerealella (Olivier), in laboratory studies. Adult R. dominica were fed on the rice varieties for 2 weeks, removed, and assessed for progeny production after an additional 6 weeks. Sitotroga cerealella susceptibility was evaluated by exposing two mating pairs of moths on a particular variety until the adults died. Rhyzopertha dominica parental survival, progeny production, and feeding damage by parental and progeny adults were variable, with survival ranging from 19.4 to 95 %. Rhyzopertha dominica parental feeding damage, progeny production, and progeny feeding damage were all correlated (r = 0.35–0.97, P < 0.001). Parental feeding of R. dominica provided access for neonate larvae to infest the rice hull. All rice varieties supported development of S. cerealella, and the variety Vista, which did not support growth of R. dominica, was one of the most susceptible varieties to S. cerealella. Progeny production of both species was generally correlated, but we observed only two instances of specific correlation for any rice variety. Results show that differences in variety susceptibility to stored product insects and differential susceptibility among species are important factors to consider when developing insect pest management programs for stored rice.


Rice Insects Susceptibility Development 


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Copyright information

© Springer-Verlag Berlin Heidelberg (Outside the USA) 2013

Authors and Affiliations

  • Frank H. Arthur
    • 1
  • Laura Starkus
    • 2
    • 3
  • C. Michael Smith
    • 2
  • Thomas W. Phillips
    • 2
  1. 1.USDA, Agricultural Research ServiceCenter for Grain and Animal Health ResearchManhattanUSA
  2. 2.Department of EntomologyKansas State UniversityManhattanUSA
  3. 3.Department of BiologyArkansas State UniversityJonesboroUSA

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