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Department of Invertebrate Zoology

Drawing of the copepod Sapphirina auronitens

A drawing by Giesbrecht (1892) of the Copepoda, Sapphirina auronitens Claus, 1863

bar photo of Blaesospira echinus

Makiri SeiSupport Scientist

  • Phone: 202-633-9082
  • Fax: 202-633-0182
  • E-mail:
  • Mailing Address:
    Smithsonian Institution
    PO Box 37012, MRC 163
    Washington, DC 20013-7012

  • Courier Delivery Address:
    Smithsonian Institution
    National Museum of Natural History
    10th and Constitution Ave, NW
    Washington, DC 20560-0163

    Responsibilities: Molecular genetic analyses of invertebrate taxa.

    Education: Ph.D., University of Massachusetts, 2006
    B.S., University of Tennessee at Martin, 1998

    Research Interests:
    Phylogenetics, taxonomy, ecology, and conservation of neotropical land snails.

    Recent Publications:

    K. Stanislawczyk, A. D. Walters, T. J. Haan, M. Sei, B. K. Lang, and D. J. Berg. (2018). Variation among macroinvertebrate communities suggests the importance of conserving desert springs. Aquatic Conservation, 28: 944-953.

    M. Sei, D. G. Robinson, A. J. Geneva, and G. Rosenberg. (2017). Doubled helix: Sagdoidea is the overlooked sister group of Helicoidea (Mollusca: Gastropoda: Pulmonata). Biological Journal of the Linnean Society, 122: 697-728.

    Morningstar, C. R., K. Inoue, M. Sei, B. K. Lang, and D. J. Berg. (2014). Quantifying morphological and genetic variation of sympatric populations to guide conservation of endangered, micro-endemic springsnails. Aquatic Conservation: Marine and Freshwater Ecosystems, 24: 536-545.

    Sei, M., B. K. Lang, and D. J. Berg. (2009). Genetic and community similarities are correlated in endemic-rich springs of the northern Chihuahuan Desert. Global Ecology and Biogeography, 18: 192-201.

    Sei, M. (2009). The habitat use and oviposition behavior of female maritime ringlet (Coenonympha nipisiquit McDonnough), an endangered butterfly. Journal of Insect Behavior, 22: 87-100.

    Sei, M. and A. H. Porter. (2007). Delimiting species boundaries and the conservation genetics of the endangered maritime ringlet butterfly (Coenonympha nipisiquit McDunnough). Molecular Ecology, 16: 3313-3325.

    Sei, M. (2004). Larval adaptation of the endangered maritime ringlet Coenonympha tullia nipisiquit McDonnough (Lepidoptera: Nymphalidae) to a saline wetland habitat. Environmental Entomology, 33: 1535-1540.

    Sei, M. and A. H. Porter. (2003). Microhabitat-specific early larval survival rate of the maritime ringlet (Coenonympha inornata nipisiquit, Nymphalidae, Lepidoptera). Animal Conservation, 6, Part 1: 55-61

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