Natural history specimen data linked to collectors and determiners held within, "The empidoid flies (Diptera: Empidoidea, exclusive of Dolichopodidae) of the Russian Arctic islands and Svalbard Archip
Natural history specimen data linked to collectors and determiners held within, "One hundred years of solitude ended: A second species of Marmasoma White, 1916 (Diptera, Bombyliidae, Bombyliinae, Ecli