R R James

Summary

Affiliation: Utah State University
Country: USA

Publications

  1. ncbi request reprint Antagonism between Beauveria bassiana and imidacloprid when combined for Bemisia argentifolii (Homoptera: Aleyrodidae) control
    R R James
    Kika de la Garza Subtropical Agricultural Research Center, USDA-ARS, Weslaco, TX, USA
    J Econ Entomol 94:357-61. 2001
  2. ncbi request reprint Ascosphaera aggregata contamination on alfalfa leafcutting bees in a loose cell incubation system
    R R James
    USDA ARS Bee Biology and Systematics Laboratory, Department of Biology, Utah State University, Logan, UT 84322 5310, USA
    J Invertebr Pathol 89:176-8. 2005
  3. ncbi request reprint PCR diagnostic methods for Ascosphaera infections in bees
    R R James
    USDA ARS Bee Biology and Systematics Laboratory, Logan, UT, USA
    J Invertebr Pathol 90:98-103. 2005
  4. ncbi request reprint Combining azadirachtin and Paecilomyces fumosoroseus (Deuteromycotina: Hyphomycetes) to control Bemisia argentifolii (Homoptera: Aleyrodidae)
    R R James
    USDA ARS KSARC, Beneficial Insects Research Unit, Weslaco, TX 78596, USA
    J Econ Entomol 96:25-30. 2003
  5. ncbi request reprint Cuticular lipids and silverleaf whitefly stage affect conidial germination of Beauveria bassiana and Paecilomyces fumosoroseus
    R R James
    USDA ARS KSARC, Beneficial Insects Research Unit, Weslaco, TX 78596, USA
    J Invertebr Pathol 84:67-74. 2003
  6. ncbi request reprint Lipids stimulate spore germination in the entomopathogenic ascomycete Ascosphaera aggregata
    R R James
    USDA ARS Bee Biology and Systematics Laboratory, Department of Biology, Utah State University, UMC 5310, Logan, UT, 84322 5310, USA
    Mycopathologia 158:293-302. 2004
  7. ncbi request reprint Fungicide tests on adult alfalfa leafcutting bees (Hymenoptera: Megachilidae)
    C I Huntzinger
    USDA ARS Pollinating Insects Research Unit, Department Biology, Utah State University, Logan, UT 84322 5310, USA
    J Econ Entomol 101:1088-94. 2008
  8. doi request reprint Chalkbrood transmission in the alfalfa leafcutting bee: the impact of disinfecting bee cocoons in loose cell management systems
    R R James
    USDA ARS Pollinating Insects Research Unit, Utah State University, Logan, UT 84322 5310, USA
    Environ Entomol 40:782-7. 2011
  9. ncbi request reprint Impact of disinfecting nesting boards on chalkbrood control in the alfalfa leafcutting bee
    R R James
    USDA ARS Bee Biology and Systematics Laboratory, Department Biology, Utah State University, Logan, UT 84322 5310, USA
    J Econ Entomol 98:1094-100. 2005
  10. ncbi request reprint Laboratory bioassays to evaluate fungicides for chalkbrood control in larvae of the alfalfa leafcutting bee (Hymenoptera: Megachilidae)
    C I Huntzinger
    USDA ARS Pollinating Insects Research Unit, Department Biology, Utah State University Logan, UT 84322 5310, USA
    J Econ Entomol 101:660-7. 2008

Collaborators

Detail Information

Publications14

  1. ncbi request reprint Antagonism between Beauveria bassiana and imidacloprid when combined for Bemisia argentifolii (Homoptera: Aleyrodidae) control
    R R James
    Kika de la Garza Subtropical Agricultural Research Center, USDA-ARS, Weslaco, TX, USA
    J Econ Entomol 94:357-61. 2001
    ..bassiana did not adsorb or degrade imidacloprid in a tank mix. We hypothesize that B. bassiana caused a behavioral response that reduced insect feeding and uptake of imidacloprid...
  2. ncbi request reprint Ascosphaera aggregata contamination on alfalfa leafcutting bees in a loose cell incubation system
    R R James
    USDA ARS Bee Biology and Systematics Laboratory, Department of Biology, Utah State University, Logan, UT 84322 5310, USA
    J Invertebr Pathol 89:176-8. 2005
    ..The contamination levels are not as high as previously reported for bees emerging directly from the boards, but they are still a likely focus for disease spread and may need to be targeted in chalkbrood control strategies...
  3. ncbi request reprint PCR diagnostic methods for Ascosphaera infections in bees
    R R James
    USDA ARS Bee Biology and Systematics Laboratory, Logan, UT, USA
    J Invertebr Pathol 90:98-103. 2005
    ..Our diagnostic methods eliminate the need for culturing samples, and could be used to process a large number of field collected bee larvae...
  4. ncbi request reprint Combining azadirachtin and Paecilomyces fumosoroseus (Deuteromycotina: Hyphomycetes) to control Bemisia argentifolii (Homoptera: Aleyrodidae)
    R R James
    USDA ARS KSARC, Beneficial Insects Research Unit, Weslaco, TX 78596, USA
    J Econ Entomol 96:25-30. 2003
    ..Azadirachtin had moderately inhibitory effects on growth and germination of P. firmosoroseus, which may explain this antagonism...
  5. ncbi request reprint Cuticular lipids and silverleaf whitefly stage affect conidial germination of Beauveria bassiana and Paecilomyces fumosoroseus
    R R James
    USDA ARS KSARC, Beneficial Insects Research Unit, Weslaco, TX 78596, USA
    J Invertebr Pathol 84:67-74. 2003
    ..bassiana. Thus, the thick coating of long-chain wax esters produced by whitefly nymphs affect spore germination of fungal pathogens, but whether they play a significant role in defense against disease is not clear...
  6. ncbi request reprint Lipids stimulate spore germination in the entomopathogenic ascomycete Ascosphaera aggregata
    R R James
    USDA ARS Bee Biology and Systematics Laboratory, Department of Biology, Utah State University, UMC 5310, Logan, UT, 84322 5310, USA
    Mycopathologia 158:293-302. 2004
    ..However, further research is needed to determine if and where the spores encounter such an interface when germinating in the host gut, where germination normally occurs...
  7. ncbi request reprint Fungicide tests on adult alfalfa leafcutting bees (Hymenoptera: Megachilidae)
    C I Huntzinger
    USDA ARS Pollinating Insects Research Unit, Department Biology, Utah State University, Logan, UT 84322 5310, USA
    J Econ Entomol 101:1088-94. 2008
    ..Toxicity to males was greater than to females. The use of fungicides for chalkbrood control is a logical choice, but caution should be used in how they are applied in the presence of bees...
  8. doi request reprint Chalkbrood transmission in the alfalfa leafcutting bee: the impact of disinfecting bee cocoons in loose cell management systems
    R R James
    USDA ARS Pollinating Insects Research Unit, Utah State University, Logan, UT 84322 5310, USA
    Environ Entomol 40:782-7. 2011
    ..Another possible source of transmission could arise from bees that emerge midsummer in populations with a high percent of multivoltinism, but dirty nesting boards and feral bees also may be minor sources of transmission...
  9. ncbi request reprint Impact of disinfecting nesting boards on chalkbrood control in the alfalfa leafcutting bee
    R R James
    USDA ARS Bee Biology and Systematics Laboratory, Department Biology, Utah State University, Logan, UT 84322 5310, USA
    J Econ Entomol 98:1094-100. 2005
    ..Some other source of spores was present in the field that was greater than the effect of contamination from the boards, but the source still needs to be determined...
  10. ncbi request reprint Laboratory bioassays to evaluate fungicides for chalkbrood control in larvae of the alfalfa leafcutting bee (Hymenoptera: Megachilidae)
    C I Huntzinger
    USDA ARS Pollinating Insects Research Unit, Department Biology, Utah State University Logan, UT 84322 5310, USA
    J Econ Entomol 101:660-7. 2008
    ..Fungicides that reduce incidence of chalkbrood and larval mortality in this laboratory study are candidates for further study for chalkbrood control...
  11. ncbi request reprint Potential of ozone as a fumigant to control pests in honey bee (Hymenoptera: Apidae) hives
    R R James
    USDA ARS Pollinating Insects Research Unit, Utah State University, Logan, UT, USA
    J Econ Entomol 104:353-9. 2011
    ..The need for a reliable method to decontaminate honey bee nesting materials as part of an overall bee health management system is discussed...
  12. ncbi request reprint Effects of exogenous nutrients on conidial germination and virulence against the silverleaf whitefly for two hyphomycetes
    R R James
    Beneficial Insects Research Unit, KDLG Subtropical Agricultural Research Center, USDA ARS, 2413 East Hwy 83, Weslaco, Texas 78596 8344, USA
    J Invertebr Pathol 77:99-107. 2001
    ..For some specialized applications, such as greenhouse production systems, it may be beneficial to germinate spores immediately prior to application...
  13. ncbi request reprint Hirsutella thompsonii and Metarhizium anisopliae as potential microbial control agents of Varroa destructor, a honey bee parasite
    L H B Kanga
    US Department of Agriculture, Agricultural Research Service, Beneficial Insects Research Unit, 2413 E Highway 83, Weslaco, TX 78596, USA
    J Invertebr Pathol 81:175-84. 2002
    ..Microbial control with fungal pathogens provides promising new avenues for control of V. destructor and could be a useful component of an integrated pest management program for the honey bee industry...
  14. ncbi request reprint Volatilization of toxaphene from Lakes Michigan and Superior
    R R James
    Environmental Science Research Center, School of Public and Environmental Affairs and Department of Chemistry, Indiana University, Bloomington 47405, USA
    Environ Sci Technol 35:3653-60. 2001
    ....