• Hebets EA, Bern M, McGinley RH, Roberts A, Kershenbaum A, Starrett J, & Bond JE. (2020) Sister species diverge in modality-specific courtship signal form and function. Ecology and Evolution, 1-20. doi:10.1002/ece3.7089


  • Bell RD & Roberts JA. (2017) Trail-following behavior by males of the wolf spider, Schizocosa ocreata (Hentz). Journal of Ethology, 35:29-36.
  • Herrmann SK & Roberts JA. (2017) Dehydration resistance and tolerance in the brush-legged wolf spider (Schizocosa ocreata): A comparison of survivorship, critical body water content, and water-loss rates between sexes. Canadian Journal of Zoology, 95:417-423.


  • Uetz GW, Clark DL, & Roberts JA. (2016) Multimodal communication in wolf spiders (Lycosidae) – an emerging model for study. In “Advances in the Study of Behavior, Vol 48”. Edited by: Naguib M, Brockmann HJ, Mitani JC, et al. pp. 117-159.
  • Nickley B, Saintignon D, & Roberts JA. (2016) Influence of predator cues on terminal investment in courtship by male Schizocosa ocreata (Hentz 1844) wolf spiders (Araneae: Lycosidae). Journal of Arachnology, 44(2):176-181.
  • Clark DL, Zeeff CK, Karson A, Roberts JA, & Uetz GW. (2016) Risky courtship: Background contrast, ornamentation, and display behavior of wolf spiders affect visual detection by toads. Ethology, 122:1-12


  • Clark DL, Kizer C, Sabovodny G, Hollenberg A, Roberts JA, & Uetz GW. (2015) The role of social experience in eavesdropping by male wolf spiders (Lycosidae). Animal Behaviour, 106:89-97
  • Campbell M & Roberts JA. (2015) Influence of ambient temperature on efficacy of signals produced by female Schizocosa ocreata (Hentz 1844) (Araneae: Lycosidae). Journal of Arachnology, 43(3):422-424


  • Uetz GW, Roberts JA, Clark DL, Gibson JS, & Gordon SD. (2013) Multimodal signals increase active space of communication by wolf spiders in a complex litter environment. Behavioral Ecology and Sociobiology, 67(9):1471-1482


  • Clark DL, Roberts JA, & Uetz GW. (2012) Eavesdropping and signal matching in visual courtship displays of spiders. Biology Letters, 8: 375-378


  • Clark DL, Roberts JA, Rector MA, & Uetz GW. (2011) Spectral reflectance and communication in the wolf spider, Schizocosa ocreata (Hentz): simultaneous crypsis and background contrast in visual signals. Behavioral Ecology and Sociobiology, 65(6): 1237-1247
  • Uetz GW, Clark DL, Roberts JA, & Rector M. (2011) Effect of visual background complexity and light level on the detection of visual signals of male Schizocosa ocreata wolf spiders by female conspecifics. Behavioral Ecology and Sociobiology, 65(4): 753-761


  • Vaccaro R, Uetz GW, & Roberts JA. (2010) Courtship and mating behavior of the wolf spider Schizocosa bilineata (Araneae: Lycosidae).  Journal of Arachnology, 38(3): 452-459


  • Johns JL, Roberts JA, Clark DL, & Uetz GW. (2009) Love bites: Male fang use during coercive mating in wolf spiders. Behavioral Ecology and Sociobiology, 64(1): 13-18
  • Uetz GW, Roberts JA, Wrinn KM, Polak MJ, Cameron GN. (2009) Impact of a catastrophic natural disturbance on fluctuating asymmetry (FA) in a wolf spider. Ecoscience, 16(3): 379-386
  • Uetz GW, Roberts JA, & Taylor PW. (2009) Multimodal communication and mate choice in wolf spiders: Female response to multimodal versus unimodal signals. Animal Behaviour, 78:299-305


  • Walker SE, Roberts JA, Adame I, Collins CJ, & Lim D. (2008) Heads up: Sexual dimorphism in house crickets (Acheta domesticus). Canadian Journal of Zoology, 86(4): 253-259
  • Roberts JA & Uetz GW. (2008) Discrimination of variation in a male signaling trait affects detection time in visual predators. Ethology, 114(6): 557-563
  • Taylor PW, Roberts JA, Wignall A, & Uetz GW. (2008) Foreleg autotomy reduces mating success of male Schizocosa ocreata wolf spiders. Journal of Insect Behavior, 21(4): 193-202


  • Delaney KJ, Roberts JA, & Uetz GW. (2007) Male signaling behavior and sexual selection in a wolf spider (Araneae: Lycosidae): a test for dual functions? Behavioral Ecology and Sociobiology, 62: 67-75
  • Roberts JA, Taylor PW, & Uetz GW. (2007) Consequences of complex signaling: Predator detection of multimodal cues. Behavioral Ecology, 18: 236-240


  • Taylor PW, Roberts JA, & Uetz GW. (2006) Mating in the absence of visual cues by Schizocosa ocreata (Hentz 1844) wolf spiders (Araneae, Lycosidae). Journal of Arachnology, 34(3): 501-505
  • Roberts JA, Galbraith E, Milliser J, Taylor PW, & Uetz GW. (2006) Absence of social facilitation of courtship in the wolf spider, Schizocosa ocreata (Hentz) (Araneae: Lycosidae). Acta Ethologica, 9: 71-77
  • Taylor PW, Roberts JA, & Uetz GW. (2006) Compensation for injury? Modified multi-modal courtship of wolf spiders following autotomy of signaling appendages. Ethology Ecology & Evolution, 18: 79-89


  • Roberts JA & Uetz GW. (2005) Information Content of Female Chemical Signals in the Wolf Spider, Schizocosa ocreata: Male Discrimination of Reproductive State and Receptivity. Animal Behaviour, 70(1): 217-223
  • Taylor PW, Roberts JA, & Uetz GW. (2005) Flexibility in the multi-modal courtship of a wolf spider, Schizocosa ocreata. Journal of Ethology, 23: 71-75


  • Roberts JA & Uetz GW. (2004) Species-specificity of chemical signals: Silk source affects discrimination in a wolf spider (Araneae: Lycosidae). Journal of Insect Behavior, 17(4): 477-491
  • Roberts JA & Uetz GW. (2004) Chemical signaling in a wolf spider: A test of ethospecies discrimination. Journal of Chemical Ecology, 30(6): 1271-1284


  • Roberts JA, Taylor PW, & Uetz GW. (2003) Kinship and food availability influence cannibalism tendency in early-instar wolf spiders (Araneae: Lycosidae). Behavioral Ecology and Sociobiology, 54: 416-422


  • Uetz GW & Roberts JA. (2002) Multi-sensory cues and multi-modal communication in spiders: insights from video/audio playback studies. Brain, Behavior & Evolution, 59: 222-230
  • Mayer AL, Petren K, Shelton A, Cramer MJ, Keane B, Markert J, Heath B, Maurer E, Roberts JA, & Tonnis B. (2002) Scaling natal dispersal distances: confounding factors. Conservation Ecology 6(1): r8. [online] URL:

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