Joseph R. Coelho, Charles W. Holliday, Jon M. Hastings: The Geographic Distributions of Cicada Killers (Sphecius; Hymenoptera, Crabronidae) in the America. In: The Open Entomology Journal. vol. 5, März 2011: 31–38. PDF download
Joseph R. Coelho: Sexual size dimorphism and flight behavior in cicada killers. In: Oikos 79 (2), 1997: 371–375 doi:10.2307/3546021JSTOR:3546021.
Charles W. Holliday, Jon M. Hastings, Joseph R. Coelho: Cicada prey of New World cicada killers, Sphecius spp. (Dahlbom, 1843) (Hymenoptera: Crabronidae) In: Entomological News. 120 (1), 2009: 1–17. doi:10.3157/021.120.0101
Jon Hastings: Protandry in western cicada killer wasps ('Sphecius grandis', Hymenoptera: Sphecidae) and empirical study of emergence time and mating opportunity. In: Behavioral Ecology and Sociobiology. April 1989 vol. 25, 4: 255–260. doi:10.1007/BF00300051JSTOR:4600338
Jon Hastings: Provisioning by female Western cicada killer wasps, Sphecius grandis (Hymenoptera: Sphecidae): influence of body size and emergence time on individual provisioning success. In: Journal of the Kansas Entomological Society, vol. 59, 2, April 1986: 262–268. JSTOR:25084766
Joseph R. Coelho: Sexual size dimorphism and flight behavior in cicada killers. In: Oikos 79 (2), 1997: 371–375 doi:10.2307/3546021JSTOR:3546021.
Jon Hastings: Protandry in western cicada killer wasps ('Sphecius grandis', Hymenoptera: Sphecidae) and empirical study of emergence time and mating opportunity. In: Behavioral Ecology and Sociobiology. April 1989 vol. 25, 4: 255–260. doi:10.1007/BF00300051JSTOR:4600338
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Jon M. Hastings; Patrick J. Schultheis; Maggie Whitson; Charles W. Holliday; Joseph R. Coelho; Angela M. Mendell: DNA barcoding of new world cicada killers (Hymenoptera: Crabronidae). In: Zootaxa vol. 1713: 27–38, 2008. hdl=10385/598
Jorge Víctor: Sphecidae y Crabronidae (Hymenoptera) – De algunos Municipios del Centro y Sur de Tamaulipas, México. In: Acta Zoológica Mexicana. vol. 23, 3. 2007, S.35–48 (redalyc.org [PDF]).