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St Laurent, Ryan

Assistant Professor

Positions

Research Areas research areas

Research

research overview

  • St Laurent is an evolutionary biologist and entomologist studying the life history and systematics of insects, particularly those of the order Lepidoptera (butterflies and moths). His work encompasses poorly known taxa, in particular the discovery and description of new species and their classification, as well as important crop and forestry pests. Much of St Laurent's work is natural history collections-oriented, and essentially all morphological, genetic, and phylogenomic work in his lab uses historical and recently collected material held in museums around the world to better understand insect species and their role in the environment. Lepidoptera is one of the most diverse groups of herbivores on the planet, and therefore St Laurent's lab is particularly focused on understanding why certain species of Lepidoptera eat what they do, what this means in the context of their evolution, how they are distributed, and what potential impacts they may experience due to environmental changes as well as their role impacting agriculture.

keywords

  • taxonomy, insect-plant interactions, phylogenetics, phylogenomics, museomics, Lepidoptera

Publications

selected publications

Teaching

courses taught

  • EBIO 3850 - Animal Diversity: Invertebrates
    Primary Instructor - Spring 2026
    Lect. and lab. Offers a broad study of the biology of the most diverse group of organisms on Earth. Areas include ecology, physiology, evolution and morphology of aquatic and terrestrial forms. Uses animals and/or animal tissues. Recommended prerequisites: EBIO 1210 and EBIO 1220 and EBIO 1230 and EBIO 1240 (minimum grade C-).
  • EBIO 3990 - EBIO Honors Thesis Research
    Primary Instructor - Spring 2026
    Provides an introduction to the departmental Honors program. Consists of individual library research on a potential Honors thesis topic under the guidance of a faculty mentor. Recommended prerequisites: minimum 3.2 GPA and approval by departmental honors committee.
  • MUSM 5051 - Museum Collections Management
    Primary Instructor - Fall 2025
    Deals specifically with curation and data management. Topics include acquisition practices and problems; organization, management, use and preventive conservation of collections; computer data management of collections.
  • MUSM 6950 - Master's Thesis
    Primary Instructor - Spring 2026
    A thesis, which may be of a research, expository, critical or creative type, is required of every master's degree candidate under the thesis option. Department enforced prerequisites: MUSM 5011 and MUSM 5051 and one of the following: MUSM 5030 or MUSM 5031 or MUSM 5041.

Background

International Activities

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