Dikow, Torsten USNM Diptera collection flyer Flyer about the USNM Diptera collection at the National Museum of Natural History, Smithsonian Institution Diptera;Evolutionary Biology;Zoology 2019-03-25
    https://smithsonian.figshare.com/articles/journal_contribution/USNM_Diptera_collection_flyer/3858354
10.6084/m9.figshare.3858354.v2