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99 AASHTO. (2001). A Policy on Geometric Design of Highways and Streets, Fourth Edition. Accessed from: https:// ia801906.us.archive.org/18/items/gov.law.aashto.green.2001/aashto.green.2001.pdf. Alcock, J., P. Brower, and E.H. Williams, Jr. (2016). âMonarch butterflies use regenerating milkweeds for repro- duction in mowed hayfields in Northern Virginia.â Journal of the Lepidopteristsâ Society 70(3):177â181. https://doi.org/10.18473/107.070.0302. Ament, R., J. Begley, S. Powell, and P. Stoy. (2014). Roadside Vegetation and Soils on Federal Lands â Evaluation of the Potential for Increasing Carbon Capture and Storage and Decreasing Carbon Emissions. Report prepared for the Federal Highway Administration, Vancouver, Washington, USA. Anderson, E. T., K. S. Oberhauser, C. Stenoien, W. Caldwell, K. R. Nail, D. Wolfe, and A. Archer. (2017). Monarch Habitat Quantification Tool Specifications Document. Prepared by Environmental Incentives, LLC. Bartel, R. A., K. S. Oberhauser, J. C. De Roode, and S. M. Altizer. (2011). âMonarch butterfly migration and parasite transmission in eastern North America.â Ecology, 92(2), 342â351. https://doi.org/10.1890/10-0489.1 Baum, K. A., and E. Mueller. (2015). âGrassland and roadside management practices affect milkweed abundance and opportunities for monarch recruitment,â pp. 197â202. In K. S. Oberhauser, K. R. Nail, and S. M. Altizer, (eds.), Monarchs in a Changing World: Biology and Conservation of an Iconic Butterfly. Cornell University Press, Ithaca, NY. Biesmeijer, J. C., S. P. M. Roberts, M. Reemer, R. Ohlemüller, M. Edwards, T. Peeters, A. P. Schaffers, S. G. Potts, R. Kleukers, C. D. Thomas, J. Settele, and W. E. Kunin. (2006). âParallel Declines in Pollinators and Insect- Pollinated Plants in Britain and the Netherlands.â Science Vol 313(21):351-354. https://doi.org/10.1126/ science.1127863. Brower, L. P., O. R. Taylor, E. H. Williams, D. A. Slayback, R. R. Zubieta, and M. I. Ramirez. (2012). âDecline of monarch butterflies overwintering in Mexico: Is the migratory phenomenon at risk?â Insect Conservation and Diversity 5: 95â100. Brower, L. P. (1977). âMonarch migration.â Natural History 86:40â53. Bukowiecki, N., P. Lienemann, M. Hill, M. Furger, A. Richard, F. Amato, and R. Gehrig. (2010). âPM10 emission factors for non-exhaust particles generated by road traffic in an urban street canyon and along a freeway in Switzerland.â Atmospheric Environment, 44(19), 2330â2340. https://doi.org/10.1016/j.atmosenv.2010.03.039. Cameron, S. A., D. Lozier, J. P. Strange, J. B. Koch, N. Cordes, L. F. Solter and T. L. Griswald. (2011). Patterns of widespread decline in North American bumble bees. Proceedings from the National Academies of Sciences of the United States of America, 108:662â667. Cardno. (2019). Nationwide Candidate Conservation Agreement for Monarch Butterfly on Energy and Transporta- tion Lands April. 2019 Draft. Prepared for the Monarch CCAA/CCA Development Advisory Team and the Energy Resources Center at the University of Illinois at Chicago. https://www.fws.gov/savethemonarch/ pdfs/Monarch%20CCAA-CCA%20Public%20Comment%20Documents/Monarch-Nationwide_CCAA- CCA_Draft.pdf. Accessed 9/2/19. Cariveau, A. B., E. Anderson, K. Baum, J. Hopwood, E. Lonsdorf, C. Nootenboom, K. Tuerk, K. Oberhauser, E. Snell-Rood. (2019a). âRapid assessment of roadsides as potential habitat for monarchs and other pollina- tors.â Frontiers in Ecology and Evolution Volume 7, Article 386: https://doi.org/10.3389/fevo.2019.00386. Cariveau, A. B., H. Holt, J. P. Ward, L. Lukens, K. Kasten, J. Thieme, W. Caldwell, K. Tuerk, K. A. Baum, P. Drobney, R. G. Drum, R. Grundel, K. Hamilton, C. Hoang, K. Kinkead, J. McIntyre, W. Thogmartin, T. Turner, E. L. Weiser, and K. Oberhauser. (2019b). âThe integrated monarch monitoring program: From design to implementation.â Frontiers in Ecology and Evolution. Carrero, J. A., I. Arrizabalaga, J. Bustamante, N. Goienaga, G. Arana, and J. M. Madariaga. (2013). âDiagnosing the traffic impact on roadside soils through a multianalytical data analysis of the concentration profiles Bibliography
100 Evaluating the Suitability of Roadway Corridors for Use by Monarch Butterflies of traffic-related elements.â Science of the Total Environment, 427â434, 458â460. https://doi.org/10.1016/ j.scitotenv.2013.04.047. CEC. (2008). North American Monarch Conservation Action Plan. Montreal: Commission for Environmental Cooperation. CEC. (2017). Monitoring Monarch Butterflies and Their Habitat across North America: Inventory and Monitoring Protocols and Data Standards for Monarch Conservation. Montreal, Canada: Commission for Environmen- tal Cooperation. 48 pp. Code, A., H. Sardinas, T. Heidel-Baker, J. Kay Cruz, S. Hoffman Black, E. Lee-Mader, M. Vaughan, and J. Hopwood. (2016). âGuidance to Protect Habitat from Pesticide Contamination.â The Xerces Society for Invertebrate Conservation. https://xerces.org/sites/default/files/2019-10/16-024_01_XercesSoc_Guidance- to-Protect-Habitat-from-Pesticides_web.pdf. Daubenmire, R. F. (1959). âCanopy coverage method of vegetation analysis.â Northwest Science 33:43â64. Dilts, T., and M. Forister. (2017). Western Monarch and Milkweed Habitat Suitability Model: Final Maps. Unpublished report prepared in collaboration with the Xerces Society, U.S. Fish and Wildlife Service, University of Nevada, Reno. Dilts, T. D., M. Steele, S. Black, D. Craver, E. Cruz, J. Engler, S. Jepsen, A. Jones, S. McKnight, E. Pelton, A. Taylor, and M. Forister. (2018). Western Monarch and Milkweed Habitat Suitability Modeling Project Version 2âMaxent Model Outputs. Xerces Society, U.S. Fish and Wildlife Service, University of Nevada, Reno, https://www.monarchmilkweedmapper.org/habitatsuitabilitymodels. Environmental Defense Fund, Environmental Incentives, and the Monarch Lab at the University of Minnesota. (2017). Monarch Habitat Quantification ToolâUserâs Guide, Vol. 1.0, North Central Region. 62 pp. Federal Highway Administration (FHWA). (2016). âHighway Statistics 2016: Public Road Mileage, Lane- Miles, and VMT,â 1900â2016. Office of Highway Policy Information. Online at: https://www.fhwa.dot.gov/ policyinformation/statistics/2016/vmt421c.cfm. Fischer, S. J., E. H. Williams, L. P. Brower, and P. A. Palmiotto. (2015). âEnhancing monarch butterfly repro- duction by mowing fields of common milkweed.â The American Midland Naturalist, 173(2):229â240. https://doi.org/10.1674/amid-173-02-229-240.1. Flockhart, D. T., J. B. Pichancourt, D. R. Norris, and T. G. Martin. (2015). âUnravelling the annual cycle in a migratory animal: Breeding-season habitat loss drives population declines of monarch butterflies.â Journal of Animal Ecology 84(1). https://doi.org/10.1111/1365-2656.12253. Goulson, D., E. Nicholls, C. BotÃas, and E. L. Rotheray. (2015). âBee declines driven by combined stress from parasites, pesticides, and lack of flowers.â Science 347:1255957. Grant, T. J., H. R. Parry, M. P. Zalucki, and S. P. Bradbury. (2018). âPredicting monarch butterfly (Danaus plexippus) movement and egg-laying with a spatially-explicit agent-based model: The role of monarch perceptual range and spatial memory.â Ecological Modelling, 374: 37â50. Grant, T. J., and S. P. Bradbury. (2019). âThe role of modeling in monarch butterfly research and conservation: A review and a challenge.â Frontiers in Ecology and Evolution. Haan, N. L., and D. A. Landis. (2019). âGrassland disturbance increases monarch butterfly oviposition and decreases arthropod predator abundance.â Biological Conservation 233: 85â192. https://doi.org/10.1016/ j.biocon.2019.03.007. Halbritter, D. A., J. C. Daniels, D. C. Whitaker, and L. Huang. (2015). âReduced mowing frequency increases floral resource and butterfly (Lepidoptera: hesperioidea and papilionoidea) abundance in managed road- sides.â Florida Entomologist 98(4):1081â1092. Hanley, M.E. & Wilkins, J.P. (2015). On the verge? Preferential use of road-facing hedgerow margins by bumble- bees in agro-ecosystems. Journal of Insect Conservation, 19, 67â74. Hartzler, R. G., and D. D. Buhler. (2000). âOccurrence of common milkweed (Asclepias syriaca) in cropland and adjacent areas.â Crop Protection. 19:5 363â366. Hopwood, J. L. 2008. âThe contribution of roadside grassland restorations to native bee conservation.â Biological Conservation 141: 2632â2640. Hopwood, J., S. H. Black, E. Lee-Mader, A. Charlap, R. Preston, K. Mozumder, and S. Fleury. 2015. Literature Review: Pollinator Habitat Enhancement and Best Management Practices in Highway Rights-of-Way. 68 pp. Washington, DC: Federal Highway Administration. Hopwood, J., S. Black, and S. Fleury. 2016a. Pollinators and Roadsides: Best Management Practices for Managers and Decision Makers. 96 pp. Washington, DC: Federal Highway Administration. Available at: https:// www.environment.fhwa.dot.gov/env_topics/ecosystems/Pollinators_Roadsides/BMPs_pollinators_ roadsides.aspx. Hopwood, J., S. Black, and S. Fleury. 2016b. Roadside Best Management Practices that Benefit Pollinators: Handbook for Supporting Pollinators through Roadside Maintenance and Landscape Design. 94 pp. Washington, DC: Federal Highway Administration. Available at: https://www.environment.fhwa.dot.gov/ env_topics/ecosystems/Pollinators_Roadsides/BMPs_pollinators_landscapes.pdf.
Bibliography 101 Jaradat, Q. M., and K. A. Momani. (1999). âContamination of Roadside Soil, Plants, and Air with Heavy Metals in Jordan, A Comparative Study.â Turkish Journal of Chemistry, 23, 209â220. Kantola, T., J. L. Tracy, K. A. Baum, M. A. Quinn, and R.N. Coulson. (2019). âSpatial risk assessment of eastern monarch butterfly road mortality during autumn migration within the southern corridor.â Biological Conservation 231: 150â160. Kaspari, M., C. Chang, and J. Weaver. (2010). âSalted roads and sodium limitation in a northern forest ant community.â Ecological Entomology, 35(5), 543â548. https://doi.org/10.1111/j.1365-2311.2010.01209.x. Kasten, K., C. Stenoien, W. Caldwell, K.S. Oberhauser. (2016). âCan roadside habitat lead monarchs on a route to recovery?â Journal of Insect Conservation, 20:1047â1057. Keilsohn, W., D. L. Narango, and D. W. Tallamy. (2018). âRoadside habitat impacts insect traffic mortality.â Journal of Insect Conservation. https://doi.org/10.1007/s10841-018-0051-2. Kinkead, K. E., T. M. Harms, S. J. Dinsmore, P. W. Frese, and K. T. Murphy (in review). âDesign implications for surveys to monitor monarch butterfly population trends.â Frontiers in Ecology and Evolution. Knight, S. M., D. R. Norris, R. Derbyshire, and D. T. Tyler Flockhart. (2019.) âStrategic mowing of roadside milkweeds increases monarch butterfly oviposition.â Global Ecology and Conservation: Volume 19. https:// doi.org/10.1016/j.gecco.2019.e00678. Koh, I., Lonsdorf, E. V., Williams, N. M., Brittain, C., Isaacs, R., Gibbs, J., & Ricketts, T. H. (2016). Modeling the status, trends, and impacts of wild bee abundance in the United States. Proceedings of the National Academy of Sciences, 113(1), 140â145. https://doi.org/10.1073/pnas.1517685113. Krischik, V. A., A. L. Landmark, and G. E. Heimpel. (2007). âSoil-applied imidacloprid is translocated to nectar and kills nectar-feeding Anagyrus pseudococci (Girault) (Hymenoptera: encyrtidae).â Environmental Ento- mology. 36(5): p. 1238â1245. Lagerwerff, J. V., and A. W. Specht. (1970). âContamination of roadside soil and vegetation with cadmium, nickel, lead and zinc.â Environmental Science and Technology, 4(7): pp. 583â586. Lewandowski, E. J., and K. S. Oberhauser. (2017). âButterfly citizen scientists in the United States increase their engagement in conservation.â Biological Conservation 208:106â112. https://doi.org/10.1016/j.biocon. 2015.07.029. Loeb S. C., T. J. Rodhouse, L. E. Ellison, C. L. Lausen, J. D. Reichard, K. M. Irvine, J. T. H. Coleman, W. E. Thogmartin, J. R. Sauer, C. M. Francis, M. L. Bayless, T. R. Stanley, and D. H. Johnson. (2015). A Plan for the North American Bat Monitoring Program (NABat). U.S. Department of Agriculture, Forest Service, General Technical Report SRS-208. Lukens, L., K. Kasten, C. Stenoien, W. Caldwell, A. Cariveau, and K. Oberhauser. (in review). âMonitoring monarch habitat in conservation sites.â Frontiers in Ecology and Evolution. Malcolm, S. (2018). âAnthropogenic impacts on mortality and population viability of the monarch butterfly.â Annual Review of Entomology. 63:277â302. Martin, A. E., S. L. Graham, M. Henry, E. Pervin, and L. Fahrig. (2018). âFlying insect abundance declines with increasing road traffic.â Insect Conservation and Diversity, 11(6), 608â613. https://doi.org/10.1111/ icad.12300. McKenna, D., K. McKenna, S. B. Malcom, and M. R. Berenbaum. (2001). Mortality of lepidoptera along road- ways in Central Illinois. Journal of the Lepidopteristsâ Society 55:63â68. Midwest Association of Fish and Wildlife Agencies (MAFWA). (2018). Mid-America Monarch Conservation Strategy, 2018â2038, Version 1.0. http://www.mafwa.org/wp-content/uploads/2018/07/MAMCS_June2018_ Final.pdf. Mitchell, T. S., L. Agnew, R. Meyer, K. Sikkink, K. S. Oberhauser, E. T. Borer, and E. C. Snell-Rood. (2020). Traffic influences nutritional quality of roadside plants for monarch caterpillars. Manuscript in revision. Mogren, C. L., and J.G. Lundgren. (2016). âNeonicotinoid-contaminated pollinator strips adjacent to cropland reduce honey bee nutritional status.â Scientific Reports, 6(1), 2908. Monarch Joint Venture (MJV). (2019). Integrated Monarch Monitoring Program. Version 2.0. Monarch Joint Venture. Mowing: Best Management for Monarchs. (2017). https://monarchjointventure.org/ images/uploads/documents/MowingForMonarchs.pdf. Mueller, E. K. and K. A. Baum. (2014). âMonarch-parasite interactions in managed and roadside prairies.â Journal of Insect Conservation 18:847â853. Munguira, M. L., and J. A. Thomas. (1992). âUse of road verges by butterfly and burnet populations, and the effect of roads on adult dispersal and mortality.â Journal of Applied Ecology, 29:316â329. Munoz, P. T., F. P. Torres, and A. G. Megias. (2015). âEffects of roads on insects: a review.â Biodiversity and Conservation, 24:659â682. DOI 10.1007/s10531-014-0831-2. Nail, K. R., C. Stenoien, and K. S. Oberhauser. (2015). âImmature monarch survival: effects of site characteristics, density, and time.â Annals of the Entomological Society of America, 108(5):680â690. https://doi.org/10.1093/ aesa/sav047.
102 Evaluating the Suitability of Roadway Corridors for Use by Monarch Butterflies National Ecological Assessment Team (NEAT). (2006). Strategic habitat conservation: a report from the National Ecological Assessment Team, June 29, 2006. U.S. Fish and Wildlife Service, Washington, DC, and U.S. Geo- logical Survey, Reston, Virginia, USA. URL: http://training.fws.gov/EC/resources/shc/shc_finalrpt.pdf. Norcini, J. G. (2014). Madison County Energy Conservation Study 2012â2013 Survey of Roadside Vegetation. Final Report to Florida Department of Transportation. Available: http://ntl.bts.gov/lib/51000/51400/ 51440/FDOT-PR6365252-rpt.pdf. Accessed: June 11 2015. Oberhauser K., R. Batalden, and E. Howard. (2009). âMonarch butterfly monitoring in North America: Over- view of initiatives and protocols.â Commission for Environmental Cooperation, Montreal, Quebec, Canada. Oberhauser, K., R. Wiedenholt, J. Diffendorfer, D. Semmens, L. Ries, W. Thogmartin, L. Lopez-Hoffman, and B. Semmons. (2017). âA trans-national monarch butterfly population model and implications for regional conservation priorities.â Ecological Entomology, 42, 51â60 DOI: 10.1111/een.12351. Oberhauser, K. S., L. Ries, S. Altizer, R. V. Batalden, J. Kudell-Ekstrum, M. Garland, E. Howard, S. Jepsen, J. Lovett, M. Monroe, G. Morris, E. Rendón-Salinas, R. G. RuBino, A. Ryan, O. R. Taylor, R. Treviño Ulloa, F. X. Villablanca, and D. Walton. (2015). âContributions to monarch biology and conservation through citizen science: 70 years and counting.â In Oberhauser, K. S., K. R. Nail, and S. M. Altizer (eds.), Monarchs in a Changing World: Biology and Conservation of an Iconic Butterfly, Chapter 2. Cornell University Press, Ithaca, NY. Pinheiro J, D. Bates, S. DebRoy, D. Sarkar, and R Core Team. (2018). Nlme: Linear and Nonlinear Mixed Effects Models. R package version 3.1-137, <URL: https://CRAN.R-project.org/package=nlme>. Pitman, G. M., D. T. Flockhart, and D. R. Norris. (2018). âPatterns and causes of oviposition in monarch butterflies: Implications for milkweed restoration.â Biological Conservation, 217: 54â65. Pleasants J. (2017). âMilkweed restoration in the Midwest for monarch butterfly recovery: Estimates of milk- weeds lost, milkweeds remaining and milkweeds that must be added to increase the monarch population.â Insect Conservation and Diversity, 10:42â53. Pleasants J. M., and K. S. Oberhauser. (2013). âMilkweed loss in agricultural fields because of herbicide use: Effect on the monarch butterfly population.â Insect Conservation and Diversity, 6:135â144. Pocius, V. M., D. M. Debinski, J. M. Pleasants, K. G. Bidne, R. L. Hellmich, and L. P. Brower. (2017). âMonarch butterfly (Lepidoptera: Nymphalidae Danaus plexippus) survival and development on nine Midwestern milkweed species.â Environmental Entomology: nvx137. https://doi.org/10.1093/ee/nvx137. Pocius, V. M., D. M. Debinski, J. M. Pleasants, K. G. Bidne, and R. L. Hellmich. (2018). âMonarch butterflies do not place all of their eggs in one basket: oviposition on nine Midwestern milkweed species.â Ecosphere 9(1):e02064. 10.1002/ecs2.2064. Pollinator Health Task Force. (2015). National strategy to promote the health of honey bees and other pollinators. (https://obamawhitehouse.archives.gov/sites/default/files/microsites/ostp/Pollinator%20Health%20Strategy %202015.pdf) (Accessed: 17 December 2018). Potts S. G., J. C. Biesmeijer, C. Kremen, P. Neumann, O. Schweiger, and W. E. Kunin. (2010). Global pollinator declines: trends, impacts and drivers. Trends in Ecology & Evolution, (6):345â53. doi: 10.1016/ j.tree.2010.01.007. Powney, G. D., C. Carvell, M. Edwards, R. K. A. Morris, H. E. Roy, B. A. Woodcock, and N. J. B. Isaac. (2019). âWidespread losses of pollinating insects in Britain.â Nature Communications, 10(1). http://dx.doi.org/ 10.1038/s41467-019-08974-9. R Core Team. (2018). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. URL https://www.R-project.org/. Reynolds, J. H., M. G. Knutson, K. B. Newman, E. D. Silverman, and W. L. Thompson. (2016). âA road map for designing and implementing a biological monitoring program.â Environmental Monitoring and Assessment, 188: 399. doi. 10.1007/s10661-016-5397-x. Ries, L., D. M. Debinski, and M. L. Wieland. (2001). âConservation value of roadside prairie restoration to butterfly communities.â Conservation Biology, 15(2):401â411. Saarinen, K., A. Valtonen, J. Jantunen, and S. Saarnio. (2005). âButterflies and diurnal moths along road verges: Does road type affect diversity and abundance?â Biological Conservation, 12: 403â412. doi:10.1016/ j.biocon.2004.12.012. Sanchez-Bayo, F., and K. A. G. Wyckhuys. (2019). âWorldwide decline of the entomofauna: a review of its drivers.â Biological Conservation, 232:8â27. Schultz, C. B., L. M. Brown, E. Pelton, and E. E. Crone. (2017). âCitizen science monitoring demonstrates dramatic declines of monarch butterflies in western North America,â Biological Conservation, http:// dx.doi.org/10.1016/j.biocon.2017.08.019. Semmens, B. X., D. J. Semmens, W. E. Thogmartin, R. Wiederholt, L. López-Hoffman, J. E. Diffendorfer, J. M. Pleasants, K. S. Oberhauser, and O. R. Taylor. (2016). âQuasi-extinction risk and population targets for the Eastern, migratory population of monarch butterflies (Danaus plexippus). Scientific Reports, 6:23265.
Bibliography 103 Setton, E. M., P. W. Hystad, and C. P. Keller. (2005). Road Classification SchemesâGood Indicators of Traffic Volume? University of Victoria Spatial Sciences Laboratories Working Paper. Skorka, P., M. Lenda, D. Moron, K. Kalarus, and P. Tryjanowski. (2013). âFactors affecting road mortality and the suitability of road verges for butterflies.â Biological Conservation, 159: 148â157. Snell-Rood, E. C., A. Espeset, C. J. Boser, W. A. White, and R. Smykalski. (2014). âAnthropogenic changes in sodium affect neural and muscle development in butterflies.â Proceedings of the National Academy of Sciences, 111(28), 10221â10226. https://doi.org/10.1073/pnas.1323607111. Soluk, D. A., D. S. Zercher, and A. M. Worthington. (2011). âInfluence of roadways on patterns of mortality and flight behavior of adult dragonflies near wetland areas.â Biological Conservation, 144(5), 1638â1643. https://doi.org/10.1016/j.biocon.2011.02.015. Stenoien, C., K. R. Nail, and K. S. Oberhauser. (2015). âHabitat productivity and temporal patterns of mon- arch butterfly egg densities in the Eastern United States.â Annals of the Entomological Society of America, 108(5):670â679 (2015). https://doi.org/10.1093/aesa/sav054. Stenoien C., K. R. Nail, J. M. Zalucki, H. Parry, K. S. Oberhauser, and M. P. Zalucki. (2018). âMonarchs in decline: A collateral landscape-level effect of modern agriculture.â Insect Science 25:528â541. Thogmartin, W. E., R. Wiederholt, K. Oberhauser, R. G. Drum, J. E. Diffendorfer, S. Altizer, O. R. Taylor, J. Pleasants, D. Semmens, B. Semmens, R. Erickson, K. Libby, and L. Lopez-Hoffman. (2017a). âMonarch butterfly population decline in North America: Identifying the threatening processes.â Royal Society Open Science, 4(9). https://doi.org/10.1098/rsos.170760. Thogmartin, W. E., L. López-Hoffman, J. Rohweder, J. Diffendorfer, R. Drum, D. Semmens, S. Black, I. Caldwell, D. Cotter, P. Drobney, L. Jackson, M. Gale, D. Helmers, S. Hilburger, E. Howard, K. Oberhauser, J. Pleasants, B. Semmens, O. Taylor, P. Ward, J.F. Weltzin, and R. Wiederholt. (2017b). âRestoring monarch butterfly habitat in the Midwestern US: âall hands on deck.ââ Environmental Research Letters, 12(7). https://doi.org/ 10.1088/1748-9326/aa7637. Tracy, J. L., T. Kantola, K. A. Baum, R. N. Coulson. (2019). âModeling fall migration pathways and spatially identifying potential migratory hazards for the eastern monarch butterfly.â Landscape Ecology. https:// doi.org/10.1007/s10980-019-00776-0. Urquhart, F. A. (1976). âFound at last: the monarchâs winter home.â National Geographic Magazine, Aug 150(2):160â73. U.S. Department of Agriculture (USDA) Natural Resources Conservation Service (NRCS). (2018). Monarch Butterfly Wildlife Habitat Evaluation Guide and Decision Support Tool: Midwest Edition 2.0. https:// www.nrcs.usda.gov/wps/portal/nrcs/detail/national/plantsanimals/pollinate/?cid=nrcseprd402207. Vidal, O., and E. Rendón-Salinas. (2014). âDynamics and trends of overwintering colonies of the monarch butterfly in Mexico.â Biological Conservation, 180: 165â175. https://doi.org/10.1016/j.biocon.2014.09.041. The White House. (2014). âPollinator Partnership Action Plan.â https://www.whitehouse.gov/sites/whitehouse.gov/ files/images/Blog/PPAP_2016.pdf. Wang, G., X. Yan, F. Zhang, C. Zeng, and D. Gao. (2013). âTraffic-related trace element accumulation in roadside soils and wild grasses in the Qinghai-Tibet Plateau, China.â International Journal of Environmental Research and Public Health, 11(1), 456â472. https://doi.org/10.3390/ijerph110100456. Wickham, H. (2016). ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York. Xu, T., et al. (2016). âClothianidin in agricultural soils and uptake into corn pollen and canola nectar after multiyear seed treatment applications.â Environmental Toxicology and Chemistry, 35(2): pp. 311â321. Zalucki, M. P. and R. L. Kitching. (1982). âTemporal and spatial variation in mortality in field populations of Danaus plexippus L. and D. chrsippus L. larvae (Lepidoptera: Nymphalidae).â Oecologia 53: 201â207. Zalucki, M. P., and J. H. Lammers. (2010). âDispersal and egg shortfall in Monarch butterflies: what happens when the matrix is cleaned up?â Ecological Entomology 35, 84â91. doi: 10.1111/j.1365â2311.2009.01160.x. Zalucki, M. P., H. Parry, and J. M. Zalucki. (2016). âMovement and egg laying in monarchs: to move or not to move, that is the equation.â Austral Ecology, 41, 154â167. Zaya D. N., I. S. Pearse, and G. Spyreas. (2017). âLong-term trends in midwestern milkweed abundances and their relevance to monarch butterfly declines.â BioScience, 67:343â356.