Peer-reviewed journals:

(Mentees underlined; (+) undergraduate, *MSc, **PhD student supervised, §Post-doctoral Fellow)

Almdal*, CA, and AC Costamagna (2023). Crop diversity and edge density benefit pest suppression through bottom-up and top-down processes, respectively. Agriculture, Ecosystems and Environment 349. 10.1016/j.agee.2023.108447

Kheirodin**, A, HA Cárcamo, BJ Sharanowski, and AC Costamagna (2022). Crop diversity increases predator abundance but not predation on cereal leaf beetles in agricultural landscapes. Journal of Pest Science 95: 1091-1110. 10.1007/s10340-021-01454-4

Weeraddana§, CS, I Wise, RJ Lamb, S Wolfe, T Wist, CA McCartney, MAH Smith, AC Costamagna (2021). A laboratory method for mass rearing the orange wheat blossom midge, Sitodiplosis mosellana (Diptera: Cecidomyiidae). The Canadian Entomologist 153: 828-836. 10.4039/tce.2021.46

Wanigasekara, RWMUM, AC Costamagna, YE Lawley, and BJ Sharanowski (2021). Color, odor, and species preferences of Copidosoma bakeri (Hymenoptera: Encyrtidae) to prospective cover crops to enhance control of cutworms. Entomologia Experimentalis et Applicata 169 (4): 362-373 10.1111/eea.13030

Thambugala, D, CJ Pozniak, S Kumar, AJ Burt, IL Wise, MAH Smith, SL Fox, AC Costamagna and CA McCartney (2021). Genetic analysis of oviposition deterrence to orange wheat blossom midge in spring wheat. Theoretical and Applied Genetics. 134 (2): 647-660 10.1007/s00122-020-03720-y

Rondoni, G, I Borges, J Collatz, E Conti, AC Costamagna , F Dumont, EW Evans, AA Grez, AG Howe, E Lucas, J-É Maisonhaute, AO Soares, T Zaviezo, MJW Cock (2021). Exotic ladybirds for biological control of arthropod pests. Entomologia Experimentalis et Applicata 169: 6-27. 10.1111/eea.12963

Walkowiak, S., L Gao [...] AC Costamagna£, et al. (2020). Multiple wheat genomes reveal global variation in modern breeding. Nature 588: 277-283 (£author 41/98) 10.1038/s41586-020-2961-x

Lamb, R, JA Bannerman and AC Costamagna (2020). Interactions between exotic and native lady beetle species stabilize community abundance. Oecologia 193 (3): 701-711. 10.1007/s00442-020-04716-7

Kheirodin**, A, HA Cárcamo and AC Costamagna (2020). Contrasting effects of host crops and crop diversity on the abundance and parasitism of a specialist herbivore in agricultural landscapes. Landscape ecology 35:1073-1087. 10.1007/s10980-020-01000-0

Kheirodin**, A, BJ Sharanowski, HA Cárcamo and AC Costamagna (2020). Consumption of cereal leaf beetle, Oulema melanopus, by generalist predators in wheat fields detected by molecular analyses. Entomologia Experimentalis et Applicata 168: 59-69. 10.1111/eea.12835

Nagalingam, T§, and AC Costamagna (2019). Two methods for rearing the striped flea beetle Phyllotreta striolata under laboratory conditions. The Canadian Entomologist 151(5): 677-683. 10.4039/tce.2019.44

Samaranayake*, KGLI, and AC Costamagna (2019). Adjacent habitat type affects the movement of predators suppressing soybean aphids. PLoS ONE 14(6): e0218522. Open access: 10.1371/journal.pone.0218522

Kheirodin**, A, HA Cárcamo and AC Costamagna (2019). Laboratory and field tests of predation on cereal leaf beetle Oulema melanopus (Coleoptera: Chrysomelidae). Biocontrol Science and Technology 29: 451-465. 10.1080/09583157.2019.1566437

Lamb, R, JA Bannerman and AC Costamagna (2019). Stability of lady beetle populations in a diverse landscape. Ecosphere 10(3): e02630. Open access: 10.1002/ecs2.2630

Karp, D, R Chaplin-Kramer, [...] AC Costamagna£, et al. (2018). Crop pests and predators exhibit inconsistent responses to surrounding landscape composition. Proceedings of the National Academy of Sciences 115 (33) E7863-E7870. (£author 40/153) Open access: 10.1073/pnas.1800042115

Samaranayake*, KGLI, and AC Costamagna (2018). Levels of predator movement between crop and neighboring habitats explain pest suppression in soybean across a gradient of agricultural landscape complexity. Agriculture, Ecosystems and Environment 259: 135 - 146. 10.1016/j.agee.2018.03.009

Bannerman, JA, McCornack, BP, DW Ragsdale, N Koper, and AC Costamagna (2018). Predators and alate immigration influence the season-long dynamics of soybean aphid (Hemiptera: Aphididae). Biological Control 117: 87-98. 10.1016/j.biocontrol.2017.10.011

Ríos Martínez*, AF, and AC Costamagna (2018). Effects of crowding and host plant quality on morph determination in the soybean aphid, Aphis glycines (Hemiptera: Aphididae). Entomologia Experimentalis et Applicata 166: 53-62. 10.1111/eea.12637

Vankosky, MA, HA Cárcamo, HA Catton, AC Costamagna, and R De Clerck-Floate (2017). Impacts of the agricultural transformation of the Canadian Prairies on grassland arthropods. The Canadian Entomologist 149: 718 – 735. 10.4039/tce.2017.47

Ríos Martínez*, AF, and AC Costamagna (2017). Dispersal to predator-free space counterweights fecundity costs in alate aphid morphs. Ecological Entomology 42: 645-656. 10.1111/een.12427

Koch, RL, and AC Costamagna (2017). Reaping benefits from an invasive species: Role of Harmonia axyridis in natural biological control of Aphis glycines in North America. BioControl 62: 331-340. 10.1007/s10526-016-9749-9

Costamagna, AC, WN Venables, and NA Schellhorn (2015). Landscape-scale pest suppression is mediated by timing of predator arrival. Ecological Applications 25:1114-1130. 10.1890/14-1008.1

Bannerman, JA, Costamagna, AC, BP McCornack, and DW Ragsdale (2015). Comparison of relative bias, precision, and efficiency of sampling methods for natural enemies of soybean aphid (Hemiptera: Aphididae). Journal of Economic Entomology 108: 1381-1397. 10.1093/jee/tov009

Hesler, LS, MV Chiozza, ME O'Neal, GC MacIntosh, KJ Tilmon, DI Chandrasena, NA Tinsley, SR Cianzio, AC Costamagna, E Cullen, CD DiFonzo, BD Potter, DW Ragsdale, K Steffey, and KJ Koehler (2013). Performance and prospects of Rag genes for management of soybean aphid. Entomologia Experimentalis et Applicata 147: 201 – 216. 10.1111/eea.12073

Costamagna, AC, BP McCornack, and DW Ragsdale (2013). Alate immigration disrupts soybean aphid suppression by predators. Journal of Applied Entomology 137: 317-320. 10.1111/j.1439-0418.2012.01730.x

Costamagna AC, BP McCornack, and DW Ragsdale (2013). Within-plant bottom-up effects mediate non-consumptive impacts of top-down control of soybean aphids. PLoS ONE 8(2): e56394. Open access: 10.1371/journal.pone.0056394.

Macfadyen, S, S Cunningham, AC Costamagna, and NA Schellhorn (2012). Managing ecosystem services and biodiversity conservation in agricultural landscapes: are the solutions the same? Journal of Applied Ecology 49: 690 - 694. Open access: 10.1111/j.1365-2664.2012.02132.x

Costamagna, AC, and DA Landis (2011). Lack of strong refuges allows top-down control of soybean aphid by generalist natural enemies. Biological Control 57: 184 – 192. 10.1016/j.biocontrol.2011.03.006

Chenaux(+), B, AC Costamagna, FJAA Bianchi, and NA Schellhorn (2011). Functional response of two common Australian predators, Dicranolaius bellulus (Guérin-Méneville) (Coleoptera: Melyridae), and Micraspis frenata (Erichson) (Coleoptera: Coccinellidae), attacking Aphis gossypii Glover (Hemiptera: Aphididae). Australian Journal of Entomology 50: 453 – 459. 10.1111/j.1440-6055.2011.00830.x

Costamagna, AC, BP McCornack, DW Ragsdale, and DA Landis (2010). Development and validation of node-based sample units to estimate Aphis glycines densities in field cage experiments. Journal of Economic Entomology 103: 1483 – 1492. Open access: 10.1603/EC10012

Johnson, KD., M O' Neal, DW Ragsdale, CD DiFonzo, SM Swinton, PM Dixon, BD Potter, EW Hodgson, and AC Costamagna (2009). Probability of cost-effective management of soybean aphid (Hemiptera: Aphididae) in North America. Journal of Economic Entomology 102: 2101 - 2108. 10.1603/029.102.0613

Matis, JH, TR Kiffe, W van der Werf, AC Costamagna, TI Matis, and WE Grant (2009). Population dynamics models based on cumulative density dependent feedback: A link to the logistic growth curve and a test for symmetry using aphid data. Ecological Modelling 220: 1745 – 1751. Open access:10.1016/j.ecolmodel.2009.04.026

McCornack, BP, AC Costamagna, and DW Ragsdale (2008). Within-plant distribution of soybean aphid (Hemiptera: Aphididae) and development of node-based sample units for estimating whole-plant densities in soybean. Journal of Economic Entomology 101: 1488 - 1500. 10.1603/0022-0493(2008)101[1488:WDOSAH]2.0.CO;2

Costamagna, AC, DA Landis, and MJ Brewer (2008). The role of natural enemy guilds in Aphis glycines suppression. Biological Control 45: 368–379. 10.1016/j.biocontrol.2008.01.018

Costamagna AC, W van der Werf, FJJA Bianchi, DA Landis (2007). An exponential growth model with decreasing r captures bottom-up effects on the population growth of Aphis glycines Matsumura (Hemiptera: Aphididae). Agricultural and Forest Entomology 9: 297 – 305. 10.1111/j.1461-9563.2007.00348.x

Costamagna, AC, and DA Landis (2007). Quantifying predation on soybean aphid through direct field observations. Biological Control 42: 16 – 24. 10.1016/j.biocontrol.2007.04.001

Costamagna, AC, DA Landis, and CD DiFonzo (2007). Suppression of soybean aphid by generalist predators results in a trophic cascade in soybean. Ecological Applications 17: 441 - 451. 10.1890/06-0284

Costamagna, AC, and DA Landis (2006). Predators exert top-down control of soybean aphids across a gradient of agricultural management systems. Ecological Applications 16: 1619 - 1628. 10.1890/1051-0761(2006)016[1619:PETCOS]2.0.CO;2

Landis, DA, FD Menalled, AC Costamagna and TK Wilkinson (2005). Manipulating plant diversity to enhance beneficial arthropods in agricultural landscapes. Weed Science 53: 902-908. 10.1614/WS-04-050R1.1

Costamagna, AC, AMM de Remes Lenicov, and M Zanelli (2005). Maize and oat antixenosis and antibiosis against Delphacodes kuscheli (Homoptera: Delphacidae), vector of “Mal de Rio Cuarto” of maize in Argentina. Journal of Economic Entomology 98: 1374-381. PDF

Landis, DA, TB Fox, and AC Costamagna (2004). Impact of multicolored Asian lady beetle as a biological control agent. American Entomologist 50: 153-155. PDF

Costamagna, AC, Menalled, FD, and DA Landis (2004). Host density influences parasitism of the armyworm Pseudaletia unipuncta in agricultural landscapes. Basic and Applied Ecology 5: 347-355. 10.1016/j.baae.2004.04.009

Costamagna, AC, and DA Landis (2004). Effect of food resource provision on adult Glyptapanteles militaris (Walsh) and Meteorus communis (Cresson) (Hymenoptera: Braconidae), parasitoids of the armyworm, Pseudaletia unipuncta (Haworth) (Lepidoptera: Noctuidae). Environmental Entomology 33: 128-137. 10.1603/0046-225X-33.2.128

Menalled, FD, AC Costamagna, PC Marino and DA Landis (2003). Temporal variation in the response of parasitoids to agricultural landscape structure. Agriculture, Ecosystems and Environment 96: 29-35. 10.1016/S0167-8809(03)00018-5

Remes Lenicov, AMM de, R Mariani and AC Costamagna (1997). Morphology, biology, and ecology of Dicranotropis fuscoterminata (Homoptera: Delphacidae) on maize in Argentina. Neotrópica 43 (109-110): 7-14. (in Spanish with abstract in English) ABSTRACT

Book chapters:

Gardiner, MM, AK Fiedler, AC Costamagna, and DA Landis (2009). Integrating conservation biological control into IPM. In E. B. Radcliffe and W. D. Hutchinson, Integrated Pest Management. Concepts, tactics, strategies and case studies. Cambridge University Press, Cambridge, UK. Pp. 151-162. PDF