A new species of gall midge is described from subterranean stem galls on Licania michauxii Prance from Florida. The gall former is a new species of Lopesia and the first record of this genus in North America. The limits of Lopesia, a genus previously recorded only from South America and Africa, are enlarged to accept the new species. The species is described and illustrated. The pupa of this species is unique in Cecidomyiidae for its large, robust, dorsal abdominal spines that may be used in pushing through sandy soil after leaving the gall. /// Una nueva especie de mosca gallícola es descrita de agallas subterráneas de Licania michauxii Prance en la Florida. El insecto que produce la agalla es una nueva especie de Lopesia y representa el primer registro de este género en América del Norte. Los límites de Lopesia, un género previamente registrado sólo de América del Sur y Africa, han sido ampliados para acomodar la nueva especie. La especie es descrita e ilustrada. La pupa de esta especie es única en la familia Cecidomyidae por las espinas grandes y robustas del dorso del abdomen que deben ser usadas para empujar a través del suelo arenoso después de dejar la agalla.
Florida Entomologist (An International Journal for the Americas) has published reports of research on insects and other arthropods since 1917. In 1994, it became the first long-published, refereed, natural science journal to make its content available on the Internet and the first journal to use PDF for that purpose. In 1999, it became the first long-published life science journal to have all current and back issues freely accessible on the Web.
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