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The Chilean genus Trachodema Blanchard, 1849 includes presently 2 species –T. tuberculosa Blanchard, 1849 and T. minuta (Hustache, 1930)–. The genus was reviewed by Morrone (1992) and recently included in a checklist of the tribe Listroderini (Morrone, 2011). This author invariably dates this genus and its single original species (type species by monotypy) as being from 1851, and from pages 374 and 375, respectively. However, the text of the insects in the “Fauna chilena” was preceded by its zoological Atlas, as is clear from the fact that the blue wrapper of the latter containing the Coleoptera bears the printed date “1849” (Blanchard, 1849), as has already stated by Alonso-Zarazaga & Lyal (1999). The Curculionoidea are included in plates 22 to 26 of this work. These authors mentioned the genus Trachodema as available from plate 24 of the zoological Atlas and the same happens with the type species Trachodema tuberculosa, since the name is printed on the plate as a reference for figure 4. This decision is founded now on Art. 12.2.7 of the International Code of Zoological Nomenclature, as it was formerly in its equivalent in the third Edition of the Code then in force. It was a combined description in the sense of the Art. 12.2.6 of the Code. In any case, Gay’s masterly work appeared in “livraisons”, whose exact dating is still awaiting some effort. The second species included in the genus Trachodema is Rhytirhinus minutus Hustache, 1930. However, this nominal species is a primary homonym of Rhytirhinus minutus Pic, 1920, and as such, it is invalid, a fact that has not been noticed until now. Consequently, I propose here a replacement name for Hustache’s (1930) Rhytirhinus minutus: Trachodema paolae nom. nov., named after my good friend, the young and promising Chilean neurologist and Chinese acupuncture specialist, Dr. Paola Toledo Leiva, as a token of gratitude for her help in healing me. The species is known from Central Chile (Morrone, 2011).

<i>Trachodema paolae</i> nom. nov. (Coleoptera, Curculionidae, Cyclominae) and a correction to Morrone’s list of Listroderini