Wcislo, William T. 1990. «Parasitic and Courtship Behavior of <i>Phalacrotophora</i> Halictorum (Diptera: Phoridae) at a Nesting Site of <i>Lasioglossum figueresi</i≫ (Hyrnenoptera: Halictidae)». Revista De Biología Tropical 38 (2A):205–209. https://revistas.ucr.ac.cr/index.php/rbt/article/view/25047.