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United States Department of Agriculture

Agricultural Research Service

F Allen Dray

Ecologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
In the Eye of the Beholder: Waterhyacinth Management in Florida - (Peer Reviewed Journal)
Tipping, P.W., Martin, M.R., Pokorny, E.N., Nimmo, K.R., Fitzgerald, D.L., Dray Jr, F.A. 2014. In the Eye of the Beholder: Waterhyacinth Management in Florida. Biocontrol News and Information. 35,12.
Current levels of suppression of waterhyacinth in Florida by classical biological control agents - (Peer Reviewed Journal)
Tipping, P.W., Martin, M.R., Pokorny, E.N., Nimmo, K.R., Fitzgerald, D.L., Dray Jr, F.A. 2014. Current levels of suppression of waterhyacinth in Florida by classical biological control agents. Biological Control. 71:65-69.
Bottom-up effects on top-down regulation of a floating aquatic plant by two weevil species: the context-specific nature of biological control - (Peer Reviewed Journal)
Center, T.D., Dray Jr, F.A., Mattison, E.D., Tipping, P.W., Rayamajhi, M.B. Bottom-up effects on top-down regulation of a floating aquatic plant by two weevil species: the context-specific nature of biological control. Journal of Applied Ecology.51(3):814-824. 2014.
Host range validation, molecular identification, and release and establishment of a Chinese biotype of the Asian leaf beetle Lilioceris cheni (Coleoptera:Chrysomelidae:Criocerinae) for control of Dioscorea bulbifera L. in ... - (Peer Reviewed Journal)
Center, T.D., Rayamajhi, M., Dray, F.A., Madeira, P.M., Witkus, G., Rohrig, E., Mattison, E., Lake, E., Smith, M., Zhang, J., Purcell, M., Konstantinov, A., Schmitz, D. Host range validation, molecular identification, and release and establishment of a Chinese biotype of the Asian leaf beetle Lilioceris cheni (Coleoptera:Chrysomelidae:Criocerinae) for control of Dioscorea bulbifera L. in the southern United States. Biocontrol Science and Technology. 23(7):735-755. 2013.
Evidence of establishment of Bagous hydrillae Coleoptera: Curculionidae), a biological control agent of Hydrilla verticillata (Hydrocharitales: Hydirocharitaceae) in North America? Reprint Icon - (Peer Reviewed Journal)
Center, T.D., Parys, K., Grodowitz, M., Wheeler, G.S., Dray Jr, F.A., O'Brien, C.W., Johnson, S., Cofrancesco, A. 2013. Evidence of establishment of Bagous hydrillae Coleoptera: Curculionidae), a biological control agent of Hydrilla verticillata (Hydrocharitales: Hydirocharitaceae) in North America?. Florida Entomologist. 96(1):180-186.
In situ estimates of waterhyacinth leaf tissue nitrogen using a SPAD-502 chlorophyll meter Reprint Icon - (Peer Reviewed Journal)
Dray Jr, F.A., Center, T.D., Mattison, E. 2012. In situ estimates of waterhyacinth leaf tissue nitrogen using a SPAD-502 chlorophyll meter. Aquatic Botany. DOI: 10.1016/j.aquabot.2012.03.005.
Biological control of Melaleuca quinquenervia: an Everglades invader Reprint Icon - (Peer Reviewed Journal)
Center, T.D., Purcell, M.F., Pratt, P.D., Rayamajhi, M.B., Tipping, P.W., Wright, S.A., Dray Jr, F.A. Biological control of Melaleuca quinquenervia: an Everglades invader. Biocontrol. 57(2):151-165.2012.
Host specificity assessment and potential impact of Megamelus scutellaris Berg (Hemiptera: Delphacidae) on waterhyacinth (Eichhornia crassipes Mart. Pontederiales: Pontederiaceae) Reprint Icon - (Peer Reviewed Journal)
Tipping, P.W., Center, T.D., Sosa, A.J., Dray Jr, F.A. 2010. Host specificity assessment and potential impact of Megamelus scutellaris Berg (Hemiptera: Delphacidae) on waterhyacinth (Eichhornia crassipes Mart. (Solms) (Pontederiales: Pontederiaceae). Biocontrol Science and Technology. 21(1):75-87.
A Simple, Efficient Method for Extracting Neochetina eichhorniae and N. bruchi (Coleoptera: Curculionidae) from Waterhyacinth (Eichhornia crassipes: Pontederiaceae) - (Peer Reviewed Journal)
Center, T.D., Dray Jr, F.A. 2010. A Simple, Efficient Method for Extracting Neochetina eichhorniae and N. bruchi (Coleoptera: Curculionidae) from Waterhyacinth (Eichhornia crassipes: Pontederiaceae). Florida Entomologist. 93(2): 315-316.
Bottom-up control of water hyacinth weevil populations: Do the plants regulate the insects? - (Peer Reviewed Journal)
Center, T.D., Dray Jr, F.A. 2010. Bottom-up control of water hyacinth weevil populations: Do the plants regulate the insects?. Journal of Applied Ecology. 47, 329-337.
Effects of host quality on flight muscle development in Neochetina eichhornia and N bruchi (Coleoptera: Curculionidae) - (Peer Reviewed Journal)
Center, T.D., Dray Jr, F.A. 2010. Effects of host quality on flight muscle development in Neochetina eichhornia and N bruchi (Coleoptera: Curculionidae). Florida Entomologist. 93(2): 161-166.
Geographic distribution and regional impacts of Oxyops vitiosa (Coleoptera: Curculionidae) and Boreioglycaspis melaleucae (Hemiptera: Psyllidae), biological control agents of the invasive tree Melaleuca quinquenervia - (Peer Reviewed Journal)
Balentine, K.M., Pratt, P.D., Dray Jr, F.A., Rayamajhi, M.B., Center, T.D. Geographic distribution and regional impacts of Oxyops vitiosa (Coleoptera: Curculionidae) and Boreioglycaspis melaleucae (Hemiptera: Psyllidae), biological control agents of the invasive tree Melaleuca quinquenervia. Environmental Entomology. 38(4):1145-1154. 2009.
Concordance between life history traits, invasion history, and allozyme diversity of the Everglades invader Melaleuca quinquenervia - (Peer Reviewed Journal)
Dray Jr, F.A., Hale, R.E., Madeira, P.T., Bennett, B.C., Center, T.D. 2008. Concordance between life history traits, invasion history, and allozyme diversity of the Everglades invader Melaleuca quinquenervia. Aquatic Botany. 90(4):296-302. 2009.
Selection on herbivory resistance and growth rate in an invasive plant - (Peer Reviewed Journal)
Franks, S.J., Pratt, P.D., Dray Jr, F.A., Simms, E.L. 2008. Selection on herbivory resistance and competitive ability traits in an invasive plant. The American Naturalist, Vol. 171, No. 5, pp. 678-691.
NO EVOLUTION OF INCREASED COMPETITIVE ABILITY OR DECREASED ALLOCATION TO DEFENSE IN MELALEUCA QUINQUENERVIA SINCE RELEASE FROM NATURAL ENEMIES. - (Peer Reviewed Journal)
Franks, S.D., Pratt, P.D., Dray Jr, F.A., Simms, E. 2008. No evolution of increased competitive ability or decreased allocation to defense in melaleuca quinquenervia since release from natural enemies.. Biological Invasions 10(4): 455-466. (published online: Aug 2007)
No evolution of increased competitive ability or decreased allocation to defense in Melaleuca quinquenervia since release from natural enemies - (Peer Reviewed Journal)
Franks, S.J., Pratt, P.D., Dray Jr, F.A., Simms, E.L. 2008. No evolution of increased competitive ability or decreased allocation to defense in Melaleuca quinquenervia since release from natural enemies. Biological Invasions. 10(4):455-466.
No evolution of increased competitive ability or decreased allocation to defense in Melaleuca quinquenervia since release from natural enemies - (Peer Reviewed Journal)
Franks, S.J., Pratt, P.D., Dray Jr, F.A., Simms, E.L. 2007. No evolution of increased competitive ability or decreased allocation to defense in Melaleuca quinquenervia since release from natural enemies. Biological Invasions. 10:455-466.
Initial impacts and field validation of host range for Boreioglycaspis melaleucae Moore (Hemiptera: Psyllidae),a biological control agent of the invasive tree Melaleuca quinquenervia (Cav.) Blake (Myrtales: Myrtaceae: Leptosp - (Peer Reviewed Journal)
Center, T.D., Pratt, P.D., Tipping, P.W., Rayamajhi, M.B., Van, T.K., Dray Jr., F.A., Wright, S.A. Initial impacts and field validation of host range for Boreioglycaspis melaleucae Moore (Hemiptera: Psyllidae),a biological control agent of the invasive tree Melaleuca quinquenervia (Cav.) Blake (Myrtales: Myrtaceae: Leptospermoideae. Environmental Entomology. 36(3):569-576. 2007.
Field colonization, population growth, and dispersal of Boreioglycaspis melaleucae Moore, a biological control agent of the invasive tree Melaleuca quinquenervia (Cav.) Blake - (Peer Reviewed Journal)
Center, T.D., Pratt, P.D., Tipping, P.W., Rayamajhi, M.B., Van, T.K., Wineriter, S.A., Dray Jr., F.A., Purcell, M. Field colonization, population growth, and dispersal of Boreioglycaspis melaleucae Moore, a biological control agent of the invasive tree Melaleuca quinquenervia (Cav.) Blake. Biological Control. 39:363-374. 2006.
INVASION HISTORY OF MELALEUCA QUINQUENERVIA (CAV.) S.T. BLAKE IN FLORIDA - (Peer Reviewed Journal)
Dray Jr, F.A., Bennett, B.C., Center, T.D. 2006. Invasion history of melaleuca quinquenervia (cav.) S.T. Blake in Florida. Castanea. 71(3): 210-225.
Herbivory alters competitive interactions between two invasive aguatic plants - (Peer Reviewed Journal)
Center, T.D., Van, T.K., Dray Jr., F.A., Franks, S.J., Rebelo, M.T., Pratt, P.D., Rayamajhi, M.B. Herbivory alters competitive interactions between two invasive aguatic plants. Biological Control. 33:173-185. 2005.
GENETIC VARIATION IN MELALEUCA QUINQUENERVIA AFFECTS THE BIOCONTROL AGENT OXYOPS VITIOSA - (Peer Reviewed Journal)
Dray Jr, F.A., Bennett, B.C., Center, T.D., Wheeler, G.S., Madeira, P.T. 2004. GENETIC VARIATION IN MELALEUCA QUINQUENERVIA AFFECTS THE BIOCONTROL AGENT OXYOPS VITIOSA. Weed Technology. 18:1400-1402. 2004.
GENETIC VARIATION IN MELALEUCA QUINQUENERVIA AFFECTS THE BIOCONTROL AGENT OXYOPS VITIOSA - (Peer Reviewed Journal)
Dray Jr, F.A., Bennett, B.C., Center, T.D., Wheeler, G.S., Madeira, P.T. 2004. Genetic variation in melaleuca quinquenervia affects the biocontrol agent Oxyops vitiosa. Weed Technology. 18: 1400-1402.
SELECTION FOR RESISTANCE IN INVASIVE PLANTS - (Peer Reviewed Journal)
Franks, S.J., Pratt, P.D., Dray Jr, F.A., Simms, E.L. 2004. Selection for resistance in invasive plants. Weed Technology.
GOING WILD FROM DOWN UNDER: MELALEUCA QUINQUENERVIA INVADES THE EVERGLADES - (Proceedings)
Dray Jr, F.A., Bennett, B.C., Center, T.D. 2004. Going wild from down under: melaleuca quinquenervia invades the everglades. Meeting Abstract.
NATURAL ENEMY ESCAPE AND THE EVOLUTION OF HERBIVORY RESISTANCE IN THE INVASIVE PLANT MELALEUCA QUINQUENERVIA - (Proceedings)
Franks, S.J., Pratt, P.D., Dray Jr, F.A., Simms, E.L. 2004. Natural enemy escape and the evolution of herbivory resistance in the invasive plant melaleuca quinquenervia. Gordon Research Conference Proceedings.
THE ROLE OF BIOCONTROL IN INTEGRATED WEED MANAGEMENT - (Proceedings)
Center, T.D., Van, T.K., Pratt, P.D., Tipping, P.W., Rayamajhi, M.B., Franks, S.J., Dray Jr, F.A. The role of biocontrol in integrated weed management. Meeting Abstract.
VARIATION AMONG MELALEUCA QUINQUENERVIA (MYRTACEAE) POPULATIONS IN FLORIDA AND ITS INFLUENCE ON PERFORMANCE OF THE BIOLOGICAL CONTROL AGENT OXYOPS VITIOSA (COLEOPTERA: CURCULIONIDAE) - (Proceedings)
Dray Jr, F.A. 2003. Variation among melaleuca quinquenervia (myrtaceae) populations in florida and its influence on performance of the biological control agent oxyops vitiosa (coleoptera: curculionidae). Joint Conference on the Science and Restoration of the Greater Everglades and Florida Bay Ecosystem.
BIOLOGICAL CONTROL OF INVASIVE PLANTS IN EVERGLADES ECOSYSTEMS - (Proceedings)
Center, T.D., Dray Jr, F.A. 2003. Biological control of invasive plants in everglades ecosystems. Joint Conference on the Science and Restoration of the Greater Everglades and Florida Bay Ecosystem.
DOES HERBIVORY SELECT FOR RESISTANT GENOTYPES OF THE INVASIVE TREE MELALEUCA QUINQUENERVIA? - (Proceedings)
Franks, S.J., Pratt, P.D., Dray Jr, F.A., Simms, E.L. 2003. Does herbivory select for resistant genotypes of the invasive tree melaleuca quinquenervia?. The 7th International Conference on the Ecology and Management of Alien Plant Invasions.
COMPETITION EXPERIMENTS FOR PRE-RELEASE EVALUATION OF THE POTENTIAL EFFICACY OF NEW BIOLOGICAL CONTROL AGENTS - (Proceedings)
Center, T.D., Van, T.K., Rebelo, T., Dray Jr, F.A., Pratt, P.D., and Rayamajhi, M.B. 2004. Competition experiments for pre-release evaluation of the potential efficacy of new biological control agents. In: Proceedings of the XI International Symposium on Biological Control of Weeds (eds. J. M. Cullen, D. T. Briese, D. J. Kriticos, W. M. Lansdale, L. Marin, and J. K. Scott), pp. 222-223. CSIRO Entomolgy, Canberra, Australia. Meeting Abstract.
WATERLETTUCE - (Book / Chapter)
Dray Jr, F.A. 2004. WATERLETTUCE. Biological Control of Invasive Plants in the United States. 65-78 (Book Chapter) 2004.
Last Modified: 10/6/2005
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