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United States Department of Agriculture

Agricultural Research Service

James R. Hagler
Research Entomologist

1 - Biography
2 - Key Publications
3 - Learn More About My Research
Key Publications

Hagler, J. R. 2006. Development of an immunological technique for identifying multiple predator- prey interactions in a complex arthropod assemblage. Annals of Applied Biology In Press.


de Leon, J., V. Fournier, J. R. Hagler, and K. Daane. 2006. Development of molecular diagnostic markers for sharpshooters Homalodisca coagulata and Homalodisca liturata for use in predator gut content examinations. Entomologia Experimentails et Applicata 119:109-119.


Fournier, V., J. R. Hagler, K. Daane, J. de Leon, R. Groves, H. Costa, and T. J. Henneberry. 2006. Development and application of glassy-winged and smoke-tree sharpshooter egg-specific predator gut content ELISA. Biological Control 37: 108-118.


Jones, V.P., J.R. Hagler. J.F. Brunner, C.C. Baker, and T.D. Wilburn. 2006. An inexpensive immunomarking technique for studying movement patterns of naturally occurring insect populations.  Environmental Entomology (Forum) 35: 827-836.


Blackmer, J. L., J. R. Hagler, G. S. Simmons, and T. J. Henneberry. 2006. Dispersal of Homalodisca coagulata (Homoptera: Cicadellidae) in an architecturally complex host-plant matrix. Environmental Entomology In Press.


Hagler, J. R., and S. E. Naranjo. 2005. Use of a gut content ELISA to detect whitefly predator feeding activity after field exposure to different insecticide treatments. Biocontrol Science and Technology 15:321-339.


Kamita, S. G., Z. N. Do, A. I. Samra, J. R. Hagler, and B. D. Hammock. 2005. Characterization of cell lines developed from the glassy-winged sharpshooter, Homalodisca coagulata (Hemiptera: Cicadellidae). In Vitro Cell. Dev. Biol.--Animal 41:149-153.


Hagler, J. R., C. G. Jackson, R. Isaacs, and S. A. Machtley. 2004. Foraging behavior and prey interactions by a guild of predators on various lifestages of Bemisia tabaci. Journal of Insect Science 4:1-13, www/


Hagler, J. R., and S. E. Naranjo. 2004. A multiple ELISA system for simultaneously monitoring intercrop movement and feeding activity of mass-released predators. International Journal of Pest Management 50:199-207.


Hagler, J. R. 2004. Optimizing a protein-specific ELISA for detection of protein-marked insects. International Journal of Pest Management 50:209-214.


Blackmer, J. L., J. R. Hagler, G. S. Simmons, and L. A. Canas. 2004. Comparative dispersal of Homalodisca coagulata and Homalodisca liturata (Homoptera: Cicadellidae). Environmental Entomology 33:88-99.


Lavandero, B. I., S. D. Wratten, J. R. Hagler, and M. A. Jervis. 2004. The need for effective marking and tracking techniques for monitoring the movements of insect predators and parasitoids. International Journal of Pest Management 50:147-151.


Lavandero, B. I., S. D. Wratten, J. R. Hagler, and M. A. Jervis, editors. 2004. Effective marking and tracking techniques for monitoring natural enemy movements in pest management. Taylor & Francis, Abingdon.


Naranjo, S. E., P. C. Ellsworth, and J. R. Hagler. 2004. Conservation of natural enemies in cotton: Role of insect growth regulators in management of Bemisia tabaci. Biological Control 30:52-72.


Naranjo, S. E., J. R. Hagler, and P. C. Ellsworth. 2003. Improved conservation of natural enemies with selective management systems for Bemisia tabaci (Homoptera: Aleyrodidae) in cotton. Biocontrol Science and Technology 13:571-587.


Nelson, D. R., T. P. Freeman, J. S. Buckner, K. A. Hoelmer, C. G. Jackson, and J. R. Hagler. 2003. Characterization of the cuticular surface was pores and the waxy particles of the dustywing, Semidalis flinti (Neuroptera: Coniopterygidae). Comparitive Biochemisty and Physiology 136:343-356.


Hagler, J. R., S. A. Machtley, and J. E. Leggett. 2002. Parasitoid mark-release-recapture techniques: I. Development of a battery-operated suction trap for collecting minute insects. Biocontrol Science and Technology 12:653-659.


Hagler, J. R., C. G. Jackson, T. J. Henneberry, and J. R. Gould. 2002. Parasitoid mark-release-recapture techniques: II. Development and application of a protein marking technique for Eretmocerus spp., parasitoids of Bemisia argentifolii. Biocontrol Science and Technology 12:661-675.


Hagler, J. R. 2002. Foraging behavior, host stage selection and gut content analysis of field collected Drapetis nr. divergens: A predatory fly of Bemisia argentifolii. Southwestern Entomologist 27:241-249.


Hagler, J. R., and E. Miller. 2002. An alternative to conventional insect marking procedures: Detection of a protein mark on pink bollworm by ELISA. Entomologia Experimentails et Applicata 103:1-9.


Hagler, J. R., and C. G. Jackson. 2001. Methods for marking insects: Current techniques and future prospects. Annu. Rev. Entomol. 46:511-543.


Naranjo, S. E., and J. R. Hagler. 2001. Toward the quantification of predation with predator gut immunoassays: A new approach integrating functional response behavior. Biological Control 20:175-189.


DeGrandi-Hoffman, G., and J. R. Hagler. 2000. The flow of incoming nectar through a honey bee (Apis mellifera L.) colony as revealed by a protein marker. Insect Sociaux 47:302-306.


Hagler, J. R. 2000. Biological Control of Insects. Pages 207-241 in J. E. Rechcigl and N. A. Rechcigl, editors. Insect Pest Management: Techniques for Environmental Protection. Lewis Publishers, New York, NY.


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Last Modified: 4/28/2008
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