Arthur M. Shapiro

Arthur Shapiro

Position Title
Distinguished Professor

Department of Evolution and Ecology, College of Biological Sciences
Center for Population Biology

6347 Storer Hall
Office Hours
MU Coffee House (just E of the coffee bar)M-F 0730-0830, and by appointment.

Research Interests

Evolution, ecology, phylogeny, and biogeography of the pierid butterflies. Evolution of seasonality. Insect-host plant interactions. Phenotypic plasticity and canalization. Biogeography of the Andean region and Patagonia. History and philosophy of biology, especially the creation-evolution question.

Grad Group Affiliations

  • Ecology
  • Geography
  • Population Biology

Specialties / Focus

  • Community Ecology
  • Evolutionary Ecology and Life History Strategies
  • Population Interactions
  • Systematics and Comparative Biology


  • EVE 138 Eco Trop Latitudes
  • EVE 141 Principles Systematics
  • EVE 147 Biogeography
  • EVE 149 Evol Ecol Syst
  • EVE 220 Species and Speciation
  • EVE 190 Undergraduate Seminar, I
  • PBG 296 Seminar in Geographical Ecology, III


  • Shapiro
    • Heather Dwyer, Melissa Whitaker

Field Sites

  • Andean region from Colombia to Tierra del Fuego; Patagonia; Western, eastern and boreal North America

Honors and Awards

  • Fellow, CA Academy of Sciences
  • Academic Senate Distinguished Teaching Award, UCD
  • Outstanding Adviser Award, UCD
  • Fellow, Davis Humanities Institute

    Professional Societies

    • Fellow,AAAS; Fellow, Royal Entomological Society


    • 1966 BA Biology University of Pennsylvania
    • 1970 PhD Entomology Cornell University


    Gompert,Z., C.C.Nice, J.A.Fordyce, M.L.Forister and A.M.Shapiro.2006. Identifying units for conservation using molecular taxonomy: the cautionary tale of the Karner Blue butterfly. Molecular Ecology 15: 1759- 1768.

    Gompert,Z., J.A. Fordyce, M.L.Forister, A.M. Shapiro and C.C. Nice. 2006. Homoploid hybrid speciation in an extreme habitat. Science 314: 1923-1925.

    Oliver, J.C. and A.M. Shapiro. 2007. Genetic isolation and cryptic variation within the Lycaena xanthoides species-group (Lepidoptera: Lycaenidae). Molecular Ecology 16: 4308-4320.

    Shapiro, A.M., M.L. Forister and J.A. Fordyce. 2007. Extreme high-altitude Asian and Andean Pierid butterflies are not each others' closest relatives. Arctic, Antarctic and Alpine Research 39: 137-142.

    Shapiro, A.M. and T.D. Manolis. 2007. Field Guide to the Butterflies of the San Francisco Bay and Sacramento Valley Regions. California Natural History Guides, University of California Press, Berkeley and Los Angeles. 346 pp.

    Forister, M.L., C.C. Nice, J.A. Fordyce, Z. Gompert and A.M. Shapiro. 2008. Considering evolutionary processes in the use of single-locus genetic data for conservation, with examples from the Lepidoptera. Journal of Insect Conservation 12: 37-51.

    Shapiro, A.M. 2009. The neo-riparian butterfly fauna of western Argentina. Journal of Research on the Lepidoptera 41: 24-30.

    Shapiro, A.M. 2009. Revisiting the pre-European butterfly fauna of the Sacramento Valley, California. Journal of Research on the Lepidoptera 41: 31-39.

    Forister, M.L., J.P.Jahner,K.L.Casner,J.S.Wilson and A.M. Shapiro. 2011. The race is not to the swift: long-term data reveal pervasive declines in California's low-elevation butterfly fauna. Ecology 92: 2222-2235.

    O'Brien, J.M., J.H. Thorne, M.L.Forister and A.M.Shapiro.2011. Once-yearly sampling for the detection of trends in biodiversity: the case of Willow Slough, California. Biological Conservation 144: 2012-2019.

    Forister,M.L.,J.A.Fordyce,A.C.McCall and A.M. Shapiro. 2011. A complete record from colonization to extinction reveals density-dependence and the importance of winter conditions for a population of Silvery Blues, Glaucopsyche lygdamus. Journal of Insect Science 11, article 130: 1-9.

    Jahner,J.P.,M.M.Bonilla,K.J.Badik,A.M.Shapiro and M.L.Forister.2011. Use of exotic hosts by Lepidoptera: widespread species colonize more novel hosts. Evolution 65: 2719-2724.

    Jahner,J.P.,A.M.Shapiro and M.L.Forister.2012. Drivers of hybridization in a 66-generation record of Colias butterflies. Evolution 66: 818-830.