Welcome to the School of Biological Sciences

School of Biological Sciences



Steven Juliano

Distinguished Professor

Office Address: 335 FSA
Office Phone: (309) 438-2642
Office Hours: by appointment
Email: Contact Steven Juliano (sajulian)
Website: Visit Steven Juliano’s Website
Teaching Schedule:
Course NumberSectionCourse NameTimeRoom NumberCourse Links
BSC290.016Research in Biological Sciences   
BSC420.361Seminar in Biomathematics   
Teaching Interests:
Community Ecology

Introductory Ecology



Advanced Biostatistics

Application of Mathematics to Biology
Research Interests:
Community  ecology, especially the roles of interspecific competition and predation in communities.

Ecology of mosquitoes

Connections between behavioral, physiological, population and community ecology

Applied statistics

Application of Mathematical tools to Ecology

Post Doctoral training, <st1:placename w:st="on">Ecology <st1:placetype w:st="on">University of <st1:city w:st="on">York, <st1:country-region w:st="on"><st1:place w:st="on">U.K.</st1:country-region> 1987-88.

Ph.D. Zoology (minor, applied statistics), <st1:place w:st="on"><st1:placename w:st="on">Pennsylvania <st1:placetype w:st="on">State <st1:placetype w:st="on">University, 1985.

M.S. Entomology, <st1:place w:st="on"><st1:placename w:st="on">Cornell <st1:placetype w:st="on">University, 1979.

B.A. Biology, Magna Cum Laude, <st1:place w:st="on"><st1:placename w:st="on">Kalamazoo <st1:placetype w:st="on">College, 1977

Selected Publications:

Breaux, JA, MK Schumacher, SA Juliano. 2014. What does not kill them makes them stronger: Larval environment and infectious dose alter mosquito potential to transmit filarial worms.  In press Proceedings of the Royal Society B

Wormington, JD, SA Juliano. 2014. Hunger-dependent and sex-specific antipredator behaviour of larvae of a size-dimorphic mosquito. In press Ecological EntomologyLeisnham PT, SL LaDeau, SA Juliano. 2014. Spatial and temporal habitat segregation of mosquitoes in urban Florida. PLoS One. 9(3): e91655. doi:10. 1371/journal.pone.0091655

Albeny-Simoes, D, EG Murrell, SL Elliot, MR Andrade, E Lima, SA Juliano, EF Vilela. 2014. Attracted to the enemy: Aedes aegypti prefers oviposition sites with predator-killed conspecifics. Oecologia DOI 10.1007/s00442-014-2910-1

EG Murrell, AR Ives, SA Juliano. 2014. Intrinsic and extrinsic drivers of succession: Effects of habitat age and season on an aquatic insect community. In press Ecological Entomology

Fader, JE, SA Juliano. 2014. Oviposition habitat selection by container-dwelling mosquitoes: responses to cues of larval and detritus abundances in the field. Ecological Entomology 39:245–252

Damal, K, Murrell, EG, Juliano, SA, Conn, JE, Loew, SS. 2013. Phylogeography of Aedes aegypti (yellow fever mosquito) in south Florida: mtDNA evidence for human-aided dispersal..  American Journal of Tropical Medicine & Hygiene 89:482-488

Murrell, EG, SA Juliano.  2013.  Predation resistance does not trade off with competitive ability in early-colonizing mosquitoes. Oecologia http://link.springer.com/article/10.1007%2Fs00442-013-2674-z

Covey, DP, SA Juliano, PA Garris. 2013.  Amphetamine elicits opposing actions on readily releasable and reserve pools for dopamine. PLoS One. 8(5): e60763. doi:10.1371/journal.pone.0060763 http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0060763  

Avelar, AA, SA Juliano, PA Garris. 2013. Amphetamine augments vesicular dopamine release  in the dorsal and ventral striatum through different mechanisms.  In press, Journal of Neurochemistry

Fader, JE, SA Juliano. 2013.  An empirical test of the aggregation model of coexistence and consequences for competing container-dwelling mosquitoes. Ecology 94:478–488.

O’Neal, PA, SA Juliano.  2013.  Seasonal variation in competition and coexistence of Aedes mosquitoes: stabilizing effects of egg mortality or equalizing effects of resources?  Journal of Animal Ecology  82:256–265  http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2656.2012.02017.x/full

Bagny Beilhe, L, H Delatte SA Juliano, D Fontenille, S Quilici.  2012. Ecological interactions in Aedes species from Reunion Island.  In press Medical and Veterinary Entomology  http://onlinelibrary.wiley.com.proxy.lib.ilstu.edu/doi/10.1111/j.1365-2915.2012.01062.x/pdf

Murrell, EG, SA Juliano. 2012. Competitive abilities in experimental microcosms are accurately predicted by a demographic index for R*.  PLoS ONE 7(9): e43458. doi:10.1371/journal.pone.0043458   http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0043458

Stephens, CR, SA Juliano.  2012.  Wing shape as an indicator of larval rearing conditions for Aedes albopictus and Ae. aegypti (Diptera: Culicidae).  Journal of Medical Entomology  49: 927- 938

Leisnham PT, SA Juliano.  2012.  Impacts of climate, land use, and biological invasion on the ecology of immature Aedes mosquitoes: Implications for La Crosse emergence. EcoHealth.  http://dx.doi.org/10.1007/s10393-012-0773-7

Yee, DA, SA Juliano, & SM Vamosi. 2012.  Seasonal photoperiods alter developmental time and mass of an invasive mosquito, Aedes albopictus (Diptera: Culicidae), across its north-south range in the United States. Journal of Medical Entomology 49: 825-832

Yee, DA & SA Juliano. 2012.  Concurrent effects of resource pulse amount, type, and frequency on community and population properties of consumers in detritus-based systems. Oecologia 169: 511–522.

Haussman, MF, AS Longenecker, AM Marchetto, SA Juliano, RM Bowden. 2012. Embryonic exposure to corticosterone modifies the juvenile stress response, oxidative stress, and telomere length. Proceedings of the Royal Society B 279:1447-1456

Leisnham, PT, L Towler, SA Juliano. 2011. Geographic variation of photoperiodic diapause but not adult survival or reproduction of the invasive mosquito Aedes albopictus (Diptera: Culicidae) in North America.   Annals of the Entomological Society of America 104:1309-1318.

Murrell, EG., K. Damal, LP. Lounibos & SA. Juliano. 2011. Distributions of competing container mosquitoes depend on detritus types, nutrient ratios, and food availability.  Annals of the Entomological Society of America 104:688-698.

Ramsson, ES., DP. Covey, DP. Daberkow, MT. Litherland, SA. Juliano and PA. Garris. 2011. Amphetamine augments action potential-dependent dopaminergic signaling in the striatum in vivo. Journal of Neurochemistry 117:937–948

Juliano, S.A.  2010.  Coexistence, exclusion, or neutrality?  A meta-analysis of competition between Aedes albopictus and resident mosquitoes.  (invited contribution) Israel Journal of Ecology & Evolution 56:325-351

Farhadi, R, Allahyari, H, Juliano, SA. 2010. Functional response of larval and adult stages of Hippodamia variegata (Col.: Coccinellidae) to different densities of Aphis fabae (Hem.: Aphididae).  Environmental Entomology 39:1586-1592.

Lounibos, LP, GF O’Meara, SA Juliano, N Nishimura, RL Escher, MH Reiskind, M Cutwa & K Greene. 2010. Differential Survivorship of Invasive Mosquito Species in South Florida Cemeteries:  Do Site-specific Microclimates Explain Patterns of Coexistence and Exclusion?  Annals of the Entomological Society of America 103:757-770

Kaufman MG, K Pelz-Stelinski, D Yee, SA Juliano, P Ostrom, ED Walker. 2010.  Stable Isotope Analysis Reveals Detrital Resource Base Sources of the Tree Hole Mosquito, Aedes triseriatus. Ecological Entomology  35:586-593

Kesavaraju, B, SA Juliano. 2010.  The nature of predation risk cues in container systems: Mosquito responses to solid residues from predation.  Annals of the Entomological Society of America 103:1038-1045

Leisnham, PT, SA Juliano. 2010. Interpopulation differences in competitive effect and response of the mosquito Aedes aegypti and resistance to invasion of a superior competitor.  Oecologia 164:221–230

 Herrmann, DL, Ko, AE, Bhatt, S, Jannot, JE, Juliano SA.  2010.  Population differences in oviposition depth of the lubber grasshopper (Romalea microptera) as a function of body size and soil gradient. Annals of the Entomological Society of America 103:227-235

 Yee, DA, Kneitel, JM, Juliano, SA.   2010.  Environmental correlates of abundances of mosquito species and stages in discarded vehicle tires.  Journal of Medical Entomology 47: 53-62 

 Juliano, SA, Lounibos, LP, Nishimura, N, Greene, K. 2010. Your worst enemy could be your best friend:  Predator contributions to invasion resistance and persistence of natives. Oecologia. 162:709-718.

 Jannot, JE, Ko, AE, Herrmann, DL, Skinner, L, Butzen, E, Akman, O, & Juliano, SA.  2009.  Density-dependent polyphenism and geographic variation in size among two populations of lubber grasshoppers (Romalea microptera).  Ecological Entomology 34:644-651

 Kesavaraju, B & SA Juliano. 2009. No evolutionary response to four generations of laboratory selection on antipredator behavior of Aedes albopictus:  Potential implications for biotic resistance to invasion.  Journal of Medical Entomology 46:772-781

 Jannot, JE, J Brinton, K Kocot, O Akman, & SA Juliano.  2009.  Ontogenetic mechanisms underlying a geographic size cline in a grasshopper (Romalea microptera) Annals of the Entomological Society of America 102: 467-475

 Alto, BE, B Kesavaraju, SA Juliano, & LP Lounibos.  2009. Stage-dependent predation on competitors: consequences for the outcome of a mosquito invasion.  Journal of Animal Ecology 78:928-936.

 Leisnham, PT, SA Juliano. 2009.  Spatial and temporal patterns of coexistence between competing Aedes mosquitoes in urban Florida.  Oecologia 160:343-352

Leisnham, PT,  LP Lounibos, GF O’Meara, & SA Juliano. 2009. Interpopulation divergence in competitive interactions of the mosquito Aedes albopictus.  Ecology  90:2405–2413.

 Juliano, S.A. 2009.  Species interactions among larval mosquitoes:  Context dependence across habitat gradients.  Annual Review of Entomology 54:37-56

 Kreuzer, A., Walrath, J, Hirsch, M., Akman, O., Pitynski, D., Jannot, J., Juliano, S.A. 2008.  Immune function, body size, and parasite load in Lubber grasshoppers.  American Journal of Undergraduate Research 7:25-30

Kesavaraju, B. & S.A. Juliano. 2008.  Behavioral responses of Aedes albopictus to a predator are correlated with size-dependent risk of predation. Annals of the Entomological Society of America 101:1150-1153.

 Murrell, E.G. & S.A. Juliano.  2008. Detritus type alters the outcome of interspecific competition between Aedes aegypti and Aedes albopictus (Diptera:  Culicidae).  Journal of Medical Entomology  45:375-383.

 Huizenga, K. M.,M. D. Shaidle, J.S. Brinton, L.A. Gore, M.A Ebo, A.J. Solliday, P.J. Buguey, D.W. Whitman, & S.A. Juliano.  2008.  Geographic differences in the body sizes of adult Romalea microptera.  Journal of Orthoptera Research 17:135-139

 Kesavaraju, B., K. Damal, & S.A. Juliano.  2008.  Do natural container habitats impede invader dominance?  Predator-mediated coexistence of invasive and native container-dwelling mosquitoes.  Oecologia 155:631–639.

 Leisnham, P.T., L.M. Sala, & S.A. Juliano.  2008.  Geographic variation in survival and reproductive tactics of the mosquito Aedes albopictus.  Journal of Medical Entomology 45:210-221.

 Akman, O., J. Gamage, J. Jannot, S. Juliano, A. Thurman, & D.Whitman.  2007. A Simple Test for Detection of Length-Biased Sampling.  JP Journal of Biostatistics 1:189-195

Yee, D.A., M.G. Kaufman, & S.A. Juliano. 2007.  The significance of ratios of detritus types and microorganism produc-tivity to competitive interactions between aquatic insect detritivores. Journal of Animal Ecology 76:1105-1115.

 Yee, D.A., S.H. Yee, J.M. Kneitel & S.A. Juliano. 2007. Richness-productivity relationships between trophic levels in a detritus-based system: significance of abundance and trophic linkage. Oecologia 154:377-385

 Homeny, R.H. & S.A. Juliano. 2007.  Developmental response to a seasonal time constraint: The effects of photoperiod on reproduction in the grasshopper Romalea microptera.  Ecological Entomology 32:559-566

 Kling, L.J., S.A. Juliano, & D.A. Yee.  2007.  Larval mosquito communities in discarded vehicle tires in a forested and unforested site:  detritus type, amount, and water nutrient differences.  Journal of Vector Ecology 32:207-217

 Yee, D.A., B. Kesavaraju, & S.A. Juliano. 2007. Direct and indirect effects of animal detritus on growth, survival, and mass of the invasive container mosquito Aedes albopictus.  Journal of Medical Entomology  44:580-588

 Yee, D.A. & S.A. Juliano. 2007. Abundance matters.  A field experiment testing the More Individuals Hypothesis for diversity-productivity relationships.  Oecologia 153: 153-162

Juliano, S.A. 2007.  Population dynamics.  In:  T.G. Floore, ed.  Biorational Control of Mosquitoes. Supplement to the Journal of the Mosquito Control Association. 23:265-275. American Mosquito Control Assn., Bulletin No. 7. 

 Kesavaraju, B., D.A. Yee, & S.A. Juliano.  2007. Interspecific and intraspecific differences in foraging preferences of container-dwelling mosquitoes.  Journal of Medical Entomology 44:215-221.

 Kesavaraju, B., K. Damal, & S.A. Juliano. 2007.  Threat-sensitive behavioral responses to concentrations of water-borne cues from predation.  Ethology 113:199-206

 Kesavaraju, B., B.W. Alto, L.P. Lounibos, & S.A. Juliano.  2007.  Behavioural responses of larval container mosquitoes to a size-selective predator.  Ecological Entomology 32: 262-272

Braks, M.A.H., Juliano, S.A., & Lounibos, L.P. 2006. Superior reproductive success on human blood without sugar is not limited to highly anthropophilic mosquito species.  Medical & Veterinary Entomology  20:53-59

Yee, D.A. & Juliano, S.A.  2006. Consequences of detritus type in an aquatic microsystem: effects on water quality, microorganisms, and performance of the dominant consumer.  Freshwater Biology 51:448–459

 Hatle, J.D. T. Waskey Jr., & S.A. Juliano.  2006.  Plasticity of grasshopper vitellogenin production in response to diet is primarily a result of changes in fat body mass.  Journal of Comparative Physiology – B 176:27-34

 Alto, B.W., L.P. Lounibos, S. Higgs, S.A. Juliano. 2005. Larval competition differentially affects arbovirus infection in Aedes mosquitoes.  Ecology 86:3279–3288

 Costanzo, K.S., Kesavaraju, B., & Juliano, S.A.  2005.  Condition-specific competition in container mosquitoes: the role of non-competing life-history stages.  Ecology 86:3289-3295.

 Juliano, S.A., & Lounibos, L.P. 2005.  Ecology of invasive mosquitoes: effects on resident species and on human health.  (Invited review) Ecology Letters 8: 558–574.

 Costanzo, K.S., Mormann, K, & Juliano, S.A.  2005.  Asymmetrical competition and patterns of abundance of Aedes albopictus and Culex pipiens (Diptera: Culicidae). Journal of Medical Entomology 42:559-570

 Yee, D.A., Kesavaraju, B., & Juliano, S.A. 2004. Larval feeding behavior of three co-occurring species of container mosquitoes.  Journal of Vector Ecology 29:315-322

 Juliano, S.A., Olson, J.R., Murrell, E.G., & Hatle, J.D.  2004.  Plasticity and canalization of insect reproduction:  testing alternative models of life history transitions. Ecology 85:2986-2996

 Yee, D.A., Kesavaraju, B., & Juliano, S.A.  2004.  Interspecific differences in feeding behavior and survival under food-limited conditions for larval Aedes albopictus and Aedes aegypti (Diptera: Culicidae).  Annals of the Entomological Society of America  97: 720-728

Juliano, S.A., Lounibos, L.P., O’Meara, G.F. 2004.  A field test for competitive effects of Aedes albopictus on Aedes aegypti in South Florida:  Differences between sites of coexistence and exclusion? Oecologia 139:583-593.

 Hatle, J. D., Andrews, A. L., Crowley, M. C., & Juliano, S.A.  2004. Interpopulation variation in developmental titers of vitellogenin, but not storage proteins, in lubber grasshoppers.  Physiological and Biochemical Zoology 77:631-640

Gunawardene, E.U., Stephenson, R.E., Hatle, J.D., & Juliano, S.A. 2004.  Are reproductive tactics determined by local ecology in Romalea microptera (Orthoptera: Acrididae)? Florida Entomologist 87:119-123

 Kesavaraju, B., & Juliano, S. A. 2004. Differential behavioral responses to water-borne cues to predation in two container dwelling mosquitoes.  Annals of the Entomological Society of America 97:194-201

Braks M.A.H., Honório N.A., Lounibos L.P., Lourenço-de-Oliveira R, & Juliano SA. 2004. Interspecific competition between two invasive species of container mosquitoes, Aedes aegypti and Aedes albopictus (Diptera: Culicidae), in Brazil. Annals of the Entomological Society of America 97:130-139.

 Hatle, J.D., Borst, D.W. & Juliano, S. A. 2003. Plasticity and canalization in the control of reproduction in the lubber grasshopper. Integrative and Comparative Biology. 43:635-645

Braks M.A.H., Honório, N.A., Lourenço-de-Oliveira, R., Juliano, S.A. & Lounibos, L.P. 2003. Convergent habitat segregation of Aedes aegypti and Aedes albopictus (Diptera: Culicidae) in southeastern Brazil and Florida, USA. Journal of Medical Entomology 40:785-794

Alto, B.W., Lounibos, L. P.& Juliano, S. A.  2003. Age-dependent blood-feeding of Aedes aegypti and Aedes albopictus on artificial and living hosts. Journal of the American Mosquito Control Association 19:347-352.

 Daugherty, M. P. & Juliano, S. A.  2003. Leaf-scraping beetle feces are a food resource for tree hole mosquito larvae. American Midland Naturalist 150:181-184

 Hatle, J.D., Juliano, S.A., & Borst, D.W.  2003. Hemolymph ecdysteroids do not affect vitellogenesis in the lubber grasshopper.  Archives of Insect Biochemistry and Physiology. 52:45-57

Juliano, S. A. & M. E. Gravel. 2002.  Predation and the evolution of prey behavior:  An experiment with tree hole mosquitoes. Behavioral Ecology 13:301-311

 Hatle, J.D., M.C. Crowley, A.A. Andrews, & S.A. Juliano.  2002. A trade-off among age at reproduction, somatic storage, and clutch mass:  plasticity vs. geographic variation. Oecologia 132:517-523

 Luker, L., J. D. Hatle, & S. A. Juliano. 2002. Reproductive responses to photoperiod by the grasshopper, Romalea microptera (Orthoptera: Romaleidae) from south Florida. Environmental Entomology 31:702-707

Daugherty, M. P. & S. A. Juliano.  2002. Testing for context-dependence in a processing chain interaction among detritus-feeding aquatic insects. Ecological Entomology 27:541-553.

 Aliabadi, B. K. & S. A. Juliano. 2002.  Escape from Gregarine Parasites Affects the Competitive Impact of an Invasive Mosquito.  Biological Invasions 4:283-297.

 Juliano, S. A., G. F. O’Meara, J. R. Morrill, & M. M. Cutwa 2002. Desiccation and thermal tolerance of eggs and the coexistence of competing mosquitoes.   Oecologia 130:458-469. 

 Hatle, J. D., D. W. Borst., M. R. Eskew, & S. A. Juliano. 2001.   Maximum titers of vitellogenin and total hemolymph protein occur during the canalized phase of grasshopper egg production.  Physiological and Biochemical Zoology 74:885-893

 Alto, B. W. & Juliano, S. A. 2001.  Precipitation and  temperature effects on populations of Aedes albopictus (Diptera:  Culicidae):  Implications for range expansion. Journal of Medical Entomology 38:646-656

 Alto, B. W. & S. A. Juliano. 2001.  Temperature and population dynamics of Aedes albopictus (Diptera:  Culicidae) Journal of Medical Entomology 38:548-556

 Lounibos, L. P., G. F.  O’Meara, R. L. Escher, N. Nishimura, M. Cutwa, T. Nelson, R. E. Campos, & S. A. Juliano. 2001.  Testing predicted competitive displacement of native Aedes by the invasive Asian Tiger Mosquito Aedes albopictus in Florida, USA.  Biological Invasions 3:151-166

 Daugherty, M. P. & Juliano, S. A. 2001.  Factors influencing the abundance of scirtid beetles in container habitats. Journal of the North American Benthological Association 20:109-117.

 Juliano, S. A. 2001. Non-linear curve fitting:  Predation and functional response curves. in S. M. Scheiner & J. Gurevitch, eds. Design and analysis of ecological experiments, 2nd ed..  Oxford Univ. Press, pp. 178-216.