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ARS Home » Pacific West Area » Maricopa, Arizona » U.S. Arid Land Agricultural Research Center » Pest Management and Biocontrol Research » People & Locations » Scott Machtley
Scott A Machtley
Biological Science Lab Technician (Insects)


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Marking Helicoverpa zea (Lepidoptera: Noctuidae) with fluorophores for use in mark-release-recapture research - (Peer Reviewed Journal)
No effect of a fluorophore taggant on western tarnished plant bug, Lygus hesperus roaming and flight behavior - (Peer Reviewed Journal)
Hagler, J.R., Casey, M.T., Machtley, S.A., Merten, P. 2024. No effect of a fluorophore taggant on western tarnished plant bug, Lygus hesperus roaming and flight behavior. Entomologia Generalis. 44(1):115-119. https://doi.org/10.1127/entomologia/2023/2349.
Immigration of Lygus spp. (Hemiptera: Miridae) and predaceous natural enemies to trap-cropped organic strawberry - (Peer Reviewed Journal)
Nieto, D.J., Hagler, J.R., Swezey, S.L., Machtley, S.A., Bryer, J.A. 2023. Immigration of Lygus spp. (Hemiptera: Miridae) and predaceous natural enemies to trap-cropped organic strawberry. Environmental Entomology. 52(5):824-831. https://doi.org/10.1093/ee/nvad085.
A simple computerized Arduino-based control system for insect rotary flight mills - (Peer Reviewed Journal)
Casey, M.T., Machtley, S.A., Merten, P., Hagler, J.R. 2023. A simple computerized Arduino-based control system for insect rotary flight mills. Journal of Insect Science. 23(4). Article 5. https://doi.org/10.1093/jisesa/iead053.
A labor-saving marking and sampling technique for mark-release-recapture research - (Peer Reviewed Journal)
Hagler, J.R., Casey, M.T., Hull, J.J., Machtley, S.A. 2022. A labor-saving marking and sampling technique for mark-release-recapture research. Entomologia Experimentalis et Applicata. 171(2):138-145. https://doi.org/10.1111/eea.13259.
Liquid fluorophore taggants for mark-release-recapture research: A survey of potential arthropod targets - (Peer Reviewed Journal)
Hagler, J.R., Casey, M.T., Hull, A.M., Machtley, S.A. 2022. Liquid fluorophore taggants for mark-release-recapture research: A survey of potential arthropod targets. Entomologia Experimentalis et Applicata. 170:821-830. https://doi.org/10.1111/eea.13191.
Use of a fluorophore to tag arthropods for mark-release-recapture type research - (Peer Reviewed Journal)
Hagler, J.R., Hull, A.M., Casey, M.T., Machtley, S.A. 2021. Use of a fluorophore to tag arthropods for mark-release-recapture type research. Journal of Insect Science. 21(6). Article ieab099. https://doi.org/10.1093/jisesa/ieab099.
Arthropod demography, distribution, and dispersion in a novel trap-cropped cotton agroecosystem - (Peer Reviewed Journal)
Hagler, J.R., Thompson, A.L., Machtley, S.A., Miles, C.T. 2021. Arthropod demography, distribution, and dispersion in a novel trap-cropped cotton agroecosystem. Journal of Insect Science. 21(1). Article 20. https://doi.org/10.1093/jisesa/ieab010.
A molecular approach for detecting stage-specific predation on Lygus hesperus - (Peer Reviewed Journal)
Hagler, J.R., Casey, M.T., Hull, A.M., Machtley, S.A. 2020. A molecular approach for detecting stage-specific predation on Lygus hesperus. Journal of Insect Science. 20(6). Article 35. https://doi.org/10.1093/jisesa/ieaa136.
Protein self-marking by emerald ash borer: an evaluation of efficacy and persistence - (Peer Reviewed Journal)
Gula, S.W., Lopez, V.M., Ray, A.M., Machtley, S.A., Hagler, J.R., Ginzel, M.D. 2020. Protein self-marking by emerald ash borer: an evaluation of efficacy and persistence. Entomologia Experimentalis et Applicata. 168:678-687. https://doi.org/10.1111/eea.12941.
Refinement of the protein immunomarking technique for mark-capture research - (Peer Reviewed Journal)
Hagler, J.R., Machtley, S.A. 2020. Refinement of the protein immunomarking technique for mark-capture research. Journal of Insect Science. 20(2):1-4. https://doi.org/10.1093/jisesa/ieaa015.
A procedure for pinpointing cannibalism, intraguild predation, and life stage-specific feeding events - (Peer Reviewed Journal)
Hagler, J.R., Casey, S.R., Machtley, S.A. 2020. A procedure for pinpointing cannibalism, intraguild predation, and life stage-specific feeding events. Biocontrol. 65:297-304. https://doi.org/10.1007/s10526-020-10005-2.
A novel use of immunomarking for studying the dispersal of woodboring beetles - (Abstract Only)
Gula, S., Lopez, V., Ray, A., Hagler, J.R., Machtley, S.A., Ginzel, M. 2020. A novel use of immunomarking for studying the dispersal of woodboring beetles. Journal of Forestry. 118(2):210-211. https://doi.org/10.1093/jofore/fvz074.
Predator demographics and dispersal in alfalfa trap-cropped strawberry - (Peer Reviewed Journal)
Hagler, J.R., Nieto, D.J., Machtley, S.A., Swezey, S.L. 2020. Predator demographics and dispersal in alfalfa trap-cropped strawberry. Entomologia Experimentalis et Applicata. 168(1):53-58. https://doi.org/10.1111/eea.12864.
Spotted wing Drosophila (Drosophila suzukii) utilization and dispersal from the wild host, Asian bush honeysuckle (Lonicera spp.) - (Peer Reviewed Journal)
Leach, H., Hagler, J.R., Machtley, S.A., Isaacs, R. 2018. Spotted wing Drosophila (Drosophila suzukii) utilization and dispersal from the wild host, Asian bush honeysuckle (Lonicera spp.). Agricultural and Forest Entomology. 21:149-158.
Evaluating the persistence of fluorescent and protein powders on adult blue orchard bees, Osmia lignaria (Hymenoptera: Megachilidae), for mark-capture studies - (Peer Reviewed Journal)
Boyle, N.K., Machtley, S.A., Hagler, J.R., Pitts-Singer, T. 2018. Evaluating the persistence of fluorescent and protein powders on adult blue orchard bees, Osmia lignaria (Hymenoptera: Megachilidae), for mark-capture studies. Apidologie. 49(3):378-385. https://doi.org/10.1007/s13592-018-0564-4.
Dynamics of predation on Lygus hesperus (Hemiptera: Miridae) in alfalfa trap cropped organic strawberry - (Peer Reviewed Journal)
Hagler, J.R., Nieto, D.J., Machtley, S.A., Spurgeon, D.W., Hogg, B.N., Swezey, S.L. 2018. Dynamics of predation on Lygus hesperus (Hemiptera: Miridae) in alfalfa trap cropped organic strawberry. Journal of Insect Science. 18(4):12. https://doi.org/10.1093/jisesa/iey077.
A nonlethal method to examine non-Apis bees for mark-capture research - (Peer Reviewed Journal)
Boyle, N.K., Tripodi, A.D., Machtley, S.A., Pitts-Singer, T., Strange, J.P., Hagler, J.R. 2018. A nonlethal method to examine non-Apis bees for mark-capture research. Journal of Insect Science. 18(3):10. https://doi.org/10.1093/jisesa/iey043.
Use of body-mounted cameras to enhance data collection: an evaluation of two arthropod sampling techniques - (Peer Reviewed Journal)
Hagler, J.R., Thompson, A.L., Stefanek, M.A., Machtley, S.A. 2018. Use of body-mounted cameras to enhance data collection: an evaluation of two arthropod sampling techniques. Journal of Insect Science. 18(2):1-8.
Cover crops increase foraging activity of omnivorous predators in seed patches and facilitate weed biological control - (Peer Reviewed Journal)
Blubaugh, C.K., Hagler, J.R., Machtley, S.A., Kaplan, I. 2016. Cover crops increase foraging activity of omnivorous predators in seed patches and facilitate weed biological control. Agriculture, Ecosystems and Environment. 231:264-270.
Protein self-marking by ectoparasites: a case study using bed bugs - (Peer Reviewed Journal)
Sivakoff, F.S., Jones, S.C., Machtley, S.A., Hagler, J.R. 2016. Protein self-marking by ectoparasites: a case study using bed bugs. Journal of Medical Entomology. 53(6):1370-1377.
Administering and detecting protein marks on arthropods for dispersal research - (Peer Reviewed Journal)
Hagler, J.R., Machtley, S.A. 2016. Administering and detecting protein marks on arthropods for dispersal research. Journal of Visualized Experiments. 107:e53693. doi: 10.3791/53693(2016).
A potential sampling error associated with insect protein mark-capture data Reprint Icon - (Peer Reviewed Journal)
Hagler, J.R., Machtley, S.A., Blackmer, F. 2015. A potential sampling error associated with insect protein mark-capture data. Entomologia Experimentalis et Applicata. 154:28-34.
Development of a standardized protein immunomarking protocol for insect mark-capture dispersal research Reprint Icon - (Peer Reviewed Journal)
Hagler, J.R., Naranjo, S.E., Machtley, S.A., Blackmer, F. 2014. Development of a standardized protein immunomarking protocol for insect mark-capture dispersal research. Journal of Applied Entomology. 138:772-782.
Dispersion and movement of the Lygus spp.parasitoid Peristenus relictus (Hymenoptera: Braconidae) in trapcropped organic strawberries Reprint Icon - (Peer Reviewed Journal)
Swezey, S.L., Nieto, D.J., Pickett, C.H., Hagler, J.R., Bryer, J.A., Machtley, S.A. 2014. Dispersion and movement of the Lygus spp.parasitoid Peristenus relictus (Hymenoptera: Braconidae) in trapcropped organic strawberries. Environmental Entomology. 42(2):363-369.
Dispersion, distribution and movement of Lygus spp.(Hemiptera:Miridae)in trap-cropped organic strawberries - (Peer Reviewed Journal)
Swezey, S.L., Nieto, D.J., Hagler, J.R., Pickett, C.H., Bryer, J.A., Machtley, S.A. 2013. Dispersion, distribution and movement of Lygus spp.(Hemiptera:Miridae)in trap-cropped organic strawberries. Environmental Entomology. 42(4):770-778.
Foraging range of honey bees, Apis mellifera, in alfalfa seed production fields - (Peer Reviewed Journal)
Hagler, J.R., Mueller, S., Teuber, L.R., Machtley, S.A., Deynze, A.V. 2011. Foraging range of honey bees, Apis mellifera, in alfalfa seed production fields. Journal of Insect Science. 11:144.
Effects of Guayule Resin on Termite Feeding Activity - (Proceedings)
Slosky, L., Baker, P., Coffelt, T.A., Nakayam, F., Machtley, S.A., Hagler, J.R. 2011. Effects of Guayule Resin on Termite Feeding Activity. 22nd Annual UBRP Conference, Tucson, AZ, January 22, 2011, 22:43.
Leaving A Mark: A Comparison Arthropod Protein Marking Protocols - (Proceedings)
Slosky, L., Hagler, J.R., Machtley, S.A. 2010. Leaving A Mark: A Comparison Arthropod Protein Marking Protocols. In the University of Arizona Undergraduate Biology Research Program,21st Annual Conference,Jan. 23,2010
Utilizing rabbit immunoglobulin G (IgG) protein for mark-capture studies on the desert subterranean termite, Heterotermes aureus (Snyder) - (Peer Reviewed Journal)
Baker, P.B., Hagler, J.R., Marchosky, R., Machtley, S.A., Brown, J.M., Riehle, M.A., Bellamy, D.E. 2010. Utilizing rabbit immunoglobulin G (IgG) protein for mark-capture studies on the desert subterranean termite, Heterotermes aureus (Snyder). Insectes Sociaux. 57:147-155.
Methods to Mark Termites with Protein for Mark-Release-Recapture and Mark-Capture Type Studies. - (Peer Reviewed Journal)
Hagler, J.R., Baker, P.B., Marchosky, R., Machtley, S.A., Bellamy, B.E. 2009. Methods to Mark Termites with Protein for Mark-Release-Recapture and Mark-Capture Type Studies.Insectes Sociaux 56: 213-220
FORAGING BEHAVIOR AND PREY INTERACTIONS BY A GUILD OF PREDATORS ON VARIOUS LIFESTAGES OF BEMISIA TABACI - (Peer Reviewed Journal)
HAGLER, J.R., JACKSON, C.G., ISAACS, R., MACHTLEY, S.A. 2004. FORAGING BEHAVIOR AND PREY INTERACTIONS BY A GUILD OF PREDATORS ON VARIOUS LIFESTAGES OF BEMISIA TABACI. JOURNAL OF INSECT SCIENCE. 4: 1-13.
PARASITOID MARK-RELEASE-RECAPTURE TECHNIQUES I. DEVELOPMENT OF A BATTERY-OPERATED SUCTION TRAP FOR COLLECTING MINUTE INSECTS - (Peer Reviewed Journal)
HAGLER, J.R., MACHTLEY, S.A., LEGGETT, J.E. PARASITOID MARK-RELEASE-RECAPTURE TECHNIQUES I. DEVELOPMENT OF A BATTERY-OPERATED SUCTION TRAP FOR COLLECTING MINUTE INSECTS. BIOCONTROL SCIENCE AND TECHNOLOGY. 2002. pp. 653-659