Stuart Reitz
Professor and Extension Faculty, Cropping Systems

Responsible for Extension and Research programming related to cropping systems in Malheur County.

Malheur County
Department of Crop and Soil Science
Malheur County Extension
710 SW 5th Ave
Ontario, OR 97914
United States
(541) 881-1417


Clemson University, Clemson, SC.  1994. 
Ph.D., Entomology.
“Reproductive Biology of Eucelatoria bryani and Eucelatoria rubentis (Diptera: Tachinidae), Larval Parasitoids of Helicoverpa zea (Lepidoptera: Noctuidae).”

Clemson University, Clemson, SC.  1988.
M.S., Zoology.
“Relationships of Feeding and Locomotor Activity to Intraspecific Social Dominance in Captive Wintering Savannah Sparrows.”

University of South Alabama, Mobile, AL.  1985.
B.S., Biology, minors in Geography and Chemistry.


Gao Y, S.R. Reitz, Q. Wei, W. Yu, & Z. Lei. 2012. Insecticide-mediated apparent displacement between two invasive species of leafminer fly. PLoS ONE 7(5): e36622. doi:10.1371/journal.pone.0036622

Gao, Y., S. R. Reitz, J. Wang, P. Tamez-Guerrac, E. Wang, X. Xu, & Z. Lei. 2012. Potential use of the fungus Beauveria bassiana against the western flower thrips Frankliniella occidentalis without reducing the effectiveness of its natural predator Orius sauteri (Hemiptera: Anthocoridae). Biocontrol Science and Technology 22: 803-812.

Gao, Y., S. R. Reitz, J. Wang, & Z. Lei. 2012. Potential of a strain of the entomopathogenic fungus Beauveria bassiana (Hypocreales: Cordycipitaceae) as a biological control agent against western flower thrips, Frankliniella occidentalis (Thysanoptera: Thripidae). Biocontrol Science and Technology 22: 491-495.

Gao, Y., Z. Lei, & S. R. Reitz.  2012. Western flower thrips resistance to insecticides: detection, mechanisms, and management strategies. Pest Management Science 68: 1111 - 1121.

Shirk, P. D., J. P. Shapiro, S. R. Reitz, J. M.G. Thomas, R. L. Koenig, M. Hay-Roe, & L. J. Buss. 2012. Predator-prey relationships on Apiaceae at an organic farm. Environmental Entomology 41:487-496.

Paraiso, O., S. D. Hight, M. T. K. Kairo, S. Bloem, J.E. Carpenter, S. Reitz. 2012. Laboratory biological parameters of Trichogramma fuentesi (Hymenoptera: Trichogrammatidae), an egg parasitoid of Cactoblastis cactorum (Lepidoptera: Pyralidae). Florida Entomologist 95: 1-7.

Al-Dobai, S., S. Reitz, & J. Sivinski.  2012. Tachinidae (Diptera) associated with flowering plants: estimating floral attractiveness. Biological Control 61: 230-239.

Webb, S. E., S. Adkins, & S.R. Reitz. 2012. Semipersistent whitefly transmission of Squash vein yellowing virus, causal agent of viral watermelon vine decline. Plant Disease 96: 839-844.

Reitz, S. R. & J. Funderburk.  2012. Management strategies for western flower thrips and the role of insecticides, pp 355 – 384. In: F. Perveen (ed.) Insecticides - Pests Engineering. InTech, Rijeka, Croatia.

Gao, Y., Z. Lei, Y. Abe, & S. R. Reitz. 2011. Species displacements are common to two invasive species of leafminer fly in China, Japan and the United States. Journal of Economic Entomology. 104: 1771-1773.

Kariuki, E. M., R. L. Hix, S. Reitz, S. Hight, & M. T. Kairo.  2011. Tropical soda apple (Solanum viarum) mediated competition via induced resistance: interaction between Gratiana boliviana, Spodoptera exigua and Frankliniella occidentalis.  Florida Entomologist 94:612-615.

Webster, C. G., S. R. Reitz, K. L. Perry, & S. Adkins.  2011.  A natural M RNA reassortant arising from two species of plant- and insect-infecting bunyaviruses and comparison of its sequence and biological properties to parental species. Virology. 413: 216-225.

Northfield, T.D., D.R. Paini, S. R. Reitz, & J.E. Funderburk. 2011. Within plant interspecific competition does not limit the highly invasive thrips, Frankliniella occidentalis in Florida. Ecological Entomology 36: 181-187.

Reitz, S. R., Y. Gao, & Z. Lei. 2011. Thrips pests of China and the United States.  Agricultural Sciences in China. 10:867-892.

Baez, I., S. R. Reitz, J. E. Funderburk, & S. M. Olson. 2011. Variation within and between Frankliniella thrips species in host plant utilization. Journal of Insect Science. 11:41 1-18.

Sobhy, I. S., A. A. Sarhan, A. A. Shoukry, G. A. El-Kady, N. S. Mandour, & S. R. Reitz. 2010. Development, consumption rates and reproductive biology of Orius albidipennis reared on various prey. BioControl 55: 753 – 765.

Sims, K. R., J. E. Funderburk, S. R. Reitz, & D. G. Boucias. 2009.  The impact of a parasitic nematode, Thripinema fuscum, on the feeding behavior and vector competence of Frankliniella fusca. Entomol. Exp. Appl. 132: 200 – 208.

Shapiro, J. P. P. D. Shirk, S. R. Reitz, & R. Koenig. 2009. Sympatry of Orius insidiosus and O. pumilio (Hemiptera: Anthocoridae) in north central Florida. Florida Entomologist. 92: 362-366.

Reitz, S. R. 2009. Biology and ecology of the western flower thrips. The making of a pest.  Florida Entomologist.  92: 7-13.
Shapiro, J. P., S. R. Reitz, & P. D. Shirk.  2009. Nutritional manipulation of adult female Orius pumilio enhances initial predatory performance.  Journal of Economic Entomology  102:500-506. 

Reitz, S. R.  2008. Comparative bionomics of Frankliniella occidentalis and Frankliniella tritici.  Florida Entomologist. 91: 474-476.

Hix, R. L., M. T. Kairo, & S. Reitz. 2008.  Does secondary plant metabolism provide a mechanism for plant defenses in the tropical soda apple Solanum viarum (Solanales: Solanaceae) against the beet armyworm Spodoptera exigua and southern armyworm S. eridania?  Florida Entomologist.  91: 566-569.

Fanigliulo, A., S. Comes, R. Pacella, A. Crescenzi, M. T. Momol, S. M. Olson, & S. Reitz. 2009. Integrated management of viral diseases in field-grown tomatoes in southern Italy. Acta Horticulturae. 808:387-392.

Northfield, T., D. R. Paini, J. E. Funderburk, & S. R. Reitz. 2008. Cycles of thrips abundance on north Florida uncultivated reproductive hosts: Predicting possible sources of pest outbreaks. Annals of the Entomological Society of America.  101: 769 - 778.

Herrick, N. J., S. R. Reitz, J. E. Carpenter, & C. W. O’Brien. 2008. Predation by Podisus maculiventris (Hemiptera: Pentatomidae) on Plutella xylostella (Lepidoptera: Plutellidae) larvae parasitized by Cotesia plutellae (Hymenoptera: Braconidae) and its impact on cabbage.  Biological Control. 45: 386-395.

Reitz, S. R., G. Maiorino, S. Olson, R. Sprenkel, A. Crescenzi, & M.T. Momol. 2008. The effects of plant essential oils and particle films on tomato spotted wilt and thrips in tomatoes.  Plant Disease. 92: 878-886.

Paini, D. R., J. E. Funderburk, & S. R. Reitz. 2008. Competitive exclusion of a worldwide invasive pest by a native. Quantifying competition between two phytophagous insects on two host plant species. Journal of Animal Ecology. 77: 184-190.