Trichopsomyia flavitarsis - John Curtis <i>British Entomology</i> (1824-1840) Folio 669 Diptera: <i>Pipiza biguttata</i> Curtis = <i>Trichopsomyia flavitarsis</i>. The plant is <i>Aegopodium podagraria</i> (Ground-elder) © John Curtis - Public domain - Wikimedia Commons