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Entomology: David N. Byrne


B.S. Entomology, San Jose State College
Ph.D. Entomology, University of Idaho

The principal focus of my research is to investigate the bionomics of the sweet potato whitefly, as well as other whiteflies, in order to devise methods of control that are not pesticide dependent. To this end, my laboratory has largely focused on examining their migratory patterns. We have discovered that there are both migratory and nonmigratory forms within some whitefly populations. We have examined the morphology, behavior and physiology of each. It is our goal to generate the biological information necessary to construct predictive models for the time, direction and distance of whitefly migration between crops. We are also interested in investigatining the biology of their natural enemies, particularly dispersal by their parasitoids.

Selected publications

Bellamy, D. E. and D. N. Byrne. 2006. Sex-specific vertical movement of the parasitoid Eretmocerus eremicus in response to resource density. Journal of Insect Science in review.

Asplen, M. K. and D. N. Byrne. 2006. Quantification and ultrastructure of oösorption in Eretmocerus eremicus (Hymenoptera: Aphelinidae). Journal of Morphology 267(9): 1066-1074.

Byrne, D. N. 2005. Gall-inducing Whiteflies (Hemiptera: Aleyrodidae) pp. 133-142 In A. Raman, C. W. Schaefer, and T. M. Withers (eds.) Biology, Ecology, and Evolution of Gall-inducing Arthropods, Science Publishers, Inc., New Hampshire, USA. In Press.

Byrne, D. N. and P. Bacciewitz. 2005. 2004 Vegetable Report. CALS Bulletin AZ1111.

Bellamy DE, Asplen MK, Byrne DN. 2004. Impact of Eretmocerus eremicus (Hymenoptera : Aphelinidae) on open-field Bemisia tabaci (Hemiptera : Aleyrodidae) populations. Biological Control 29(2): 227-234.

Byrne DN, Hendrix DL, Williams LH. 2003. Presence of trehalulose and other oligosaccharides in hemipteran honeydew, particularly Aleyrodidae. Physiological Entomology 28(2): 144-149.

Bellamy DE, Byrne DN. 2001. Effects of gender and mating status on self-directed dispersal by the whitefly parasitoid Eretmocerus eremicus. Ecological Entomology 26(6): 571-577.

Blackmer JL, Byrne DN. 1999. The effect of Bemisia tabaci on amino acid balance in Cucumis melo. Entomologia Experimentalis et Applicata 93(3): 315-319.

Byrne DN. 1999. Migration and dispersal by the sweet potato whitefly, Bemisia tabaci. Agricultural and Forest Meteorology 97(4): 309-316.

Blackmer JL, Byrne DN. 1999. Changes in amino acids in Cucumis melo in relation to life-history traits and flight propensity of Bemisia tabaci. Entomologia Experimentalis et Applicata 93(1): 29-40.

Isaacs, R., M. A. Willis, and D. N. Byrne. 1999. Modulation of whitefly take-off and flight orientation by wind speed and visual cues. Physiological Entomology 24: 1-8.

Isaacs, R., M. Cahill and D, N. Byrne. 1999. Host plant evaluation behaviour of Bemisia tabaci, and its modification by external or internal uptake of imidachloprid. Physiological Entomology 24: 101-108.

Veenstra, K. H. and D. N. Byrne. 1999. Does dispersal affect the reproductive physiology of the sweet potato whitefly, Bemisia tabaci? Physiological Entomology 24: 72-75.

Veenstra, K. H. and D. N. Byrne. 1998. The effects of physiological factors and host plant experience on the ovipositional activity of the sweet potato whitefly, Bemisia tabaci. Entomologia Experimentalis et Applicata 89: 15-23.

Isaacs, R. and D. N. Byrne. 1998. Aerial distribution, flight behaviour and eggload: their inter-relationship during dispersal by the sweetpotato whitefly. Journal of Animal Ecology 67: 741-750.

Isaacs, R., D. N. Byrne and D. L. Hendrix. 1998. Feeding rates and carbohydrate metabolism by Bemisia tabaci (Homoptera: Aleyrodidae) on different quality phloem saps. Physiological Entomology 23: 241-248.

Veenstra, K. H. and D. N. Byrne. 1998. Effects of starvation and oviposition activity on the reproductive physiology of the sweet potato whitefly, Bemisia tabaci. Physiological Entomology 23: 62-68.

Tonhasca, A, J. C. Palumbo and D. N. Byrne. 1996. Evaluation of the power law and patchiness regressions with regression diagnostics. Journal of Economic Entomology 89: 1477-1484.

Byrne, D. N., R. J. Rathman, T. V. Orum and J. C. Palumbo. 1996. Localized migration and dispersal by the sweet potato whitefly, Bemisia tabaci. Oecologia 105: 320-328.

Blackmer, J. L., V. A. Lindley and D. N. Byrne. 1995. Histological examination of flight muscle development and breakdown in Bemisia tabaci (Homoptera: Aleyrodidae): relationship to age and flight behavior. Journal of Morphology 226: 213-221.

Blackmer, J. L., D. N. Byrne and Z. Tu. 1995. Behavioral, morphological, and physiological traits associated with migratory Bemisia tabaci. (Homoptera: Aleyrodidae). Journal of Insect Behavior 8: 251-267.

Department of Entomology at the University of Arizona
Forbes 410, PO Box 210036, Tucson, AZ 85721-0036
Phone: (520) 621-1151 • Fax: (520) 621-1150 • E-mail:

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College of Agriculture & Life Sciences Arizona Cooperative Extension