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JenniferDeitloff

Dr. Jennifer Deitloff

East Campus Science Center 204
(570) 484-2065

Courses Most Commonly Taught

  • Herpetology
  • Comparative Vertebrate Anatomy
  • Topics in Biology
  • Basic Biology
  • Principles of Biology

Areas of Expertise

I am a behavioral evolutionary ecologist who is interested in how ecological processes and sexual selection lead to the evolution of complex phenotypic traits. My research addresses these two focal questions: 1) How do ecological pressures drive evolutionary patterns of behavior? 2) What is the role of behavior in signaling fitness and generating species diversity?

I address these two areas using field studies and laboratory experiments. I seek to understand the connections between behavior and the ecology or evolution of a species. Although I concentrate primarily on amphibians and reptiles, I have experience working with other taxa, notably mammals and insects. I have worked with undergraduate students in their development as new scientists in a variety of research areas including behavior, ecology, and evolution of animals or with animal/plant interactions.

If you are an undergraduate at LHU interested in working with me, view my profile and research on LinkedIn, ResearchGate, or view my CV.

Links of Interest

Education

  • Ph.D., Ecology and Evolutionary Biology. Iowa State University
    Dissertation: Ecological processes responsible for species co-occurrence patterns in two species of Plethodon salamanders.
  • B.S., Zoology, Minnesota State University
    Thesis: Weather and changes in population size in Peromyscus leucopus and Microtus pennsylvanicus: a twenty year study.

Courses Developed

  • Herpetology (new course at LHU)
  • Geometric Morphometrics for Ecologists (not offered at LHU)

Professional Publications

Deitloff, J., C. Floyd, S. P. Graham. 2016. Examining head-shape differences and ecology in morphologically similar salamanders at their zone of contact. Copeia 104: 233-242.

Deitloff, J., M. W. Dunbar, D. A. Ingber, B. E. Hibbard, and A. J. Gassmann. 2016. Effects of refuges on the evolution of resistance to transgenic corn by western corn rootworm, Diabrotica virgifera virgifera Le Conte. Pest Management Science 72: 190-198. DOI: 10.1002/ps.3988.

Phillips, J. G. , J. Deitloff, C. Guyer, S. Huetteman and K. E. Nicholson. 2015. Biogeography and evolution of a widespread Central American lizard species complex: Norops humilis, (Squamata: Dactyloidae). BMC Evolutionary Biology 15:143. DOI: 10.1186/s12862-015-0391-4.

Deitloff, J., M. Alcorn, and S. Graham. 2014. Variation in mating systems of salamanders: mate guarding or territoriality? Behavioral Processes 106:111-117. doi: 10.1016/j.beproc.2014.04. 006.

Deitloff, J., V. Johnson, C. Guyer. 2013. Bold colors in a drab lineage: Do Eastern Indigo Snakes exhibit color dimorphism? PLOS ONE 8: e64538. DOI:10.1371/journal.pone.0064538.

Graham, S. P., M. Alcorn, E. K. Timpe, and J. Deitloff. 2013. Seasonal changes of primary and secondary sexual characteristics in the salamanders Eurycea aquatica and E. cirrigera. Herpetological Conservation and Biology 8:53-64.

Khon, N. R., J. Deitloff, S. Dartez, M. M. Wilcox, and R. G. Jaeger. 2013. Memory of conspecifics in male Plethodon cinereus: Implications for territorial defense. Current Zoology 59:326-334.

Alcorn, M., J. Deitloff, S. Graham, and E. K. Timpe. 2013. Sexual dimorphism in head shape, relative head-width, and body size of Eurycea aquatica and Eurycea cirrigera. Journal of Herpetology 47:321-327.

Deitloff, J., J. D. Peterson, and D. C. Adams. 2013. Complex species interactions and environmental conditions lead to unpredictable community outcomes in Plethodon salamanders. Herpetologica 69: 1-10.

Deitloff, J. 2011. Sympatry between two wide-ranging salamander species. IRCF Reptiles and Amphibians 18: 6-11.

Deitloff, J., M. Falcy, J. D. Krenz, and B. R. McMillan. 2010. Correlating small mammal abundance to climatic variation over twenty years. Journal of Mammalogy 91: 193-199.

Graham, S. P., E. K. Timpe, S. K. Hoss, M. Alcorn, and J. Deitloff. 2010. Notes on reproduction in the Brownback Salamander (Eurycea aquatica). IRCF Reptiles and Amphibians 17:168-172.

Deitloff, J., J. O. Church, D. C. Adams, and R. G. Jaeger. 2009. Interspecific agonistic behaviors in a salamander community: Implications for alpha-selection. Herpetologica 65: 174-182.

Deitloff, J., D. C. Adams, B. F. M. Olechnowski, and R. G. Jaeger. 2008. Interspecific aggression in Ohio Plethodon: Implications for competition. Herpetologica 64: 180-188.

Professional Presentations (in last 5 yrs):

Invited Seminars and Presentations

2017- Deitloff, J. To lump or split: Making recommendations for species delineation in Anoles. Invited seminar, Auburn University, Auburn, AL.

2016 - Deitloff, J. Examining long-held beliefs in squamate reproductive biology: Dewlaps, hemipenes and speciation. Invited seminar, John Carroll University, University Heights, OH

2016 - Deitloff, J. Can quantitative morphological analyses delineate species boundaries? Invited seminar, Wells College, Aurora, NY.

2015 - Deitloff, J. Ecology and Sexual Selection of Amphibians and Reptiles. Invited presentation, Biology Club, Lock Haven University, PA.

2009 - Deitloff, J. Ecological Processes Responsible for Species Co-occurrence Patterns in Two Species of Plethodon Salamanders. Invited seminar, Auburn University, AL.

National and International Conference Presentations

(Oral presentation and presented by first author unless otherwise noted)

2017 - Allen, L.,* and J. Deitloff. Comparing population and sex differences in head shape for four populations of Plethodon cinereus in Pennsylvania. Joint Meetings of Ichthyologists and Herpetologists. Austin, TX. (Poster) Presented by J. Deitloff.

2017 - Cardoza, M.,* S. Hughes,* and J. Deitloff. Effect of silver nanoparticles on tadpoles of Xenopus laevis. Joint Meetings of Ichthyologists and Herpetologists. Austin, TX. (Poster)

2017 - Cardoza, M.,* M. Wines, and J. Deitloff. Effect of silver nanoparticles on larval Ambystoma mexicanum. Joint Meetings of Ichthyologists and Herpetologists. Austin, TX.

2017 - Deitloff, J., E. Myers, S. Spear, D. Stevenson, and C. Guyer. Multiple paternity and heritability of color in Drymarchon couperi (Eastern Indigo Snake). Joint Meetings of Ichthyologists and Herpetologists. Austin, TX.

2017 - Ganzfried, M., C. Anthony, C. Hickerson, and J. Deitloff. Comparison of cranial morphology in a color polymorphic salamander. Joint Meetings of Ichthyologists and Herpetologists. Austin, TX. (Poster)

2017 - Hughes, S.,* and J. Deitloff. Territoriality in Plethodon cinereus among three populations from Pennsylvania. Joint Meetings of Ichthyologists and Herpetologists. Austin, TX. (Poster)

2017 - Wesnak, S.,* T. Pierson, and J. Deitloff. Mating behaviors of Eurycea wilderae. Joint Meetings of Ichthyologists and Herpetologists. Austin, TX. (Poster)

2017 - Cardoza, M.,* and J. Deitloff. Effects of silver nanoparticles on development of larval Ambystoma mexicanum. Annual Meeting for the Society of Toxicology. Baltimore, MD. (Poster).

2016 - Allen, L.,* and J. Deitloff. Comparing population and sex differences in head shape for two populations of Plethodon cinereus in central Pennsylvania. Joint Meetings of Ichthyologists and Herpetologists. New Orleans, LA. (Poster) Presented by J. Deitloff.

2016 - Deitloff, J., J. Fetterman,* and T. Pierson. Variation in mating tactics of Eurycea wilderae: Does morphology correlate with mating strategy used by males? Joint Meetings of Ichthyologists and Herpetologists. New Orleans, LA.

2016 - Savage, D.,* J. Fetterman,* J. Elchynski,* and J. Deitloff. Aggression in Plethodon cinereus in four Populations from Pennsylvania. Joint Meetings of Ichthyologists and Herpetologists. New Orleans, LA. (Poster)

2015 - Deitloff, J., J. Phillips, K. Nicholson, C. Guyer. Can quantitative analyses of morphology help us define species differences among closely-related lineages of Norops humilis and N. quaggulus? Annual Meeting of the Society for the Study of Amphibians and Reptiles. Lawrence, KS.

2015 - Savage, D. ,* J. Phillips, K. Nicholson, C. Guyer, and J. Deitloff. Morphological differentiation in Norops humilis lineages of Costa Rica. Annual Meeting of the Society for the Study of Amphibians and Reptiles. Lawrence, KS. (Poster) Presented by J. Deitloff.

2014 - Hibbard, B., J. Deitloff, L. Meihls, and A. Gassmann. Refuge techniques for low-dose rootworm transgenic events: A futile exercise? Entomological Society of America Annual Meeting. Portland, OR.

2014 - Deitloff, J., S. Graham, C. Floyd, and J. Wooten. Head morphology and food use in two species of cryptic and co-occurring Plethodon salamanders. Conference on Biology of Plethodontid Salamanders. Tulsa, OK.

2013 - Deitloff, J., S. Graham, and C. Floyd. Head morphology and food use in two species of cryptic and co-occurring Plethodon salamanders. Joint Meetings of Ichthyologists and Herpetologists. Albuquerque, NM.

Local and Regional Conference Presentations

(Oral presentation and presented by first author unless otherwise noted)

2017 - Allen, L.,* and J. Deitloff. Comparing population and sex differences in head shape for four populations of Plethodon cinereus in Pennsylvania. Celebration of Scholarship, Lock Haven University of Pennsylvania. (Poster)

2017 - Cardoza, M.,* S. Hughes,* and J. Deitloff. Effect of silver nanoparticles on tadpoles of Xenopus laevis. Celebration of Scholarship, Lock Haven University of Pennsylvania. (Poster)

2017 - Cardoza, M.,* M. Wines, and J. Deitloff. Effect of silver nanoparticles on larval Ambystoma mexicanum. Phi-Kappa Phi Spring Student Symposium, Celebration of Scholarship, Lock Haven University of Pennsylvania. Awarded 2nd best platform (oral) presentation.

2017 - Wesnak, S.,* T. Pierson, and J. Deitloff. Mating behaviors of Eurycea wilderae. Celebration of Scholarship, Lock Haven University of Pennsylvania. (Poster)

2017 - Allen, L.,* and J. Deitloff. Comparing population and sex differences in head shape for four populations of Plethodon cinereus in Pennsylvania. Annual Meeting for the Commonwealth of Pennsylvania University Biologists. Kutztown, PA. (Poster)

2017 - Cardoza, M.,* M. Wines, and J. Deitloff. Effect of silver nanoparticles on larval Ambystoma mexicanum. Annual Meeting for the Commonwealth of Pennsylvania University Biologists. Kutztown, PA. Awarded best platform (oral) presentation by an undergraduate student in Ecology and Evolutionary Biology Category

2017 - Wesnak, S.,* T. Pierson, and J. Deitloff. Mating behaviors of Eurycea wilderae. Annual Meeting for the Commonwealth of Pennsylvania University Biologists. Kutztown, PA. (Poster)

2016 - Allen, L.,* and J. Deitloff. Comparing population and sex differences in head shape for two populations of Plethodon cinereus in central Pennsylvania. Celebration of Scholarship, Lock Haven University of Pennsylvania. (Poster)

2016 - Teleguz, V.,* and J. Deitloff. Geometric morphometric analyses of head shape in Costa Rican anoles: Norops marsupialis, N. humilis, N. quaggulus. Celebration of Scholarship, Lock Haven University of Pennsylvania. (Poster)

2016 - Cardoza, M.,* and J. Deitloff. Effects of silver nanoparticles on development of larval Axolotls. Celebration of Scholarship, Lock Haven University of Pennsylvania. (Poster)

2016 - Fetterman, J.,* J. Elchynski,* and J. Deitloff. Aggression in Plethodon cinereus in two populations from central Pennsylvania. Celebration of Scholarship, Lock Haven University of Pennsylvania. (Poster)

2016 - Allen, L.,* and J. Deitloff. Comparing population and sex differences in head shape for two populations of Plethodon cinereus in central Pennsylvania. Annual Meeting for the Commonwealth of Pennsylvania University Biologists. Millersville, PA. (Poster)

2016 - Teleguz, V.,* and J. Deitloff. Geometric morphometric analyses of head shape in Costa Rican anoles: Norops marsupialis, N. humilis, N. quaggulus. Annual Meeting for the Commonwealth of Pennsylvania University Biologists. Indiana, PA. (Poster)

2015 - Savage, D.,* J. Whitmer,* and J. Deitloff. Morphological descriptions of new species in the Norops humilis species group. Celebration of Scholarship, Lock Haven University of Pennsylvania. (Poster)

2015 - Savage, D.,* J. Whitmer,* and J. Deitloff. Morphological descriptions of new species in the Norops humilis species group. Annual Meeting for the Commonwealth of Pennsylvania University Biologists. Indiana, PA. (Poster)

2014 - Hibbard, B., J. Deitloff, L. Meihls, and A. Gassmann. Laboratory selection of resistance to Cry3Bb1, mCry3a, eCry3.1Ab, and Cry34/35Ab1 transgenic corn and an experimental evaluation of refuge techniques. North Central Branch Meeting of the Entomological Society of America. Des Moines, IA.

* Indicates undergraduate student authors from Lock Haven University

Indicates undergraduate student authors from other universities

Indicates graduate student authors from other universities

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