Photo of Ben Ashby
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Accepting PhD Students


Research output per year

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Personal profile

Research interests

I am a theoretical evolutionary biologist interested in the evolution and ecology of hosts and their parasites. 

I am currently a NERC Independent Research Fellow in the Department of Mathematical Sciences and the Milner Centre for Evolution at the University of Bath.

My research covers a broad range of topics in biology, including diversity, local adaptation, sexual selection, and the evolution of reproductive strategies (read a summary of my work or view my publications). I tweet (@bnashby) about my work and broad scientific issues, and I’m an ambassador for the “Ask for Evidence” campaign run by Sense about Science. My news page contains information on my latest papers and upcoming talks.

Willing to supervise PhD

Please get in touch ( if you would like to discuss PhD opportunities on host/parasite evolution. 

External positions

Visiting Scholar, University of California, Berkeley

Nov 2015Nov 2018


  • host-parasite
  • ecology
  • evolution
  • coevolution
  • evolutionary biology
  • resistance
  • infectivity
  • virulence
  • mate choice
  • STD
  • evolution of sex

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  • Research Output

    An inordinate fondness for species with intermediate dispersal abilities

    Ashby, B., Shaw, A. & Kokko, H., 2 Mar 2020, In : Oikos. 129, 3, p. 311-319 9 p.

    Research output: Contribution to journalArticle

    Open Access
    11 Downloads (Pure)

    Antagonistic coevolution between hosts and sexually transmitted infections

    Ashby, B., 6 Jan 2020, In : Evolution. 74, 1, p. 43-56 14 p.

    Research output: Contribution to journalArticle

    Open Access
    10 Downloads (Pure)

    Measuring Coevolutionary Dynamics in Species-Rich Communities

    Hall, A., Ashby, B., Bascompte, J. & King, K., 3 Mar 2020, In : Trends in Ecology & Evolution. 35, 6, p. 539-550 12 p.

    Research output: Contribution to journalReview article

    Open Access

    Sexually transmitted infections in natural populations: what have we learnt from beetles and beyond?

    Ashby, B., Jones, J., Knell, R. & Hurst, G., Oct 2019, Wildlife Disease Ecology: Linking Theory to Data and Application. Wilson, K., Fenton, A. & Tompkins, D. (eds.). Cambridge, U. K.: Cambridge University Press, p. 187-222

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Transposition: A CRISPR Way to Get Around

    Dimitriu, T., Ashby, B. & Westra, E., 23 Sep 2019, In : Current Biology . 29, 18, p. R886-R889 4 p.

    Research output: Contribution to journalArticle

    1 Citation (Scopus)