https://www.mapress.com/zt/issue/feed 2026-05-19T13:29:12+12:00 Dr Zhi-Qiang Zhang zed@mapress.com Open Journal Systems <p><strong>Zootaxa</strong> is a mega-journal for zoological taxonomists in the world</p> https://www.mapress.com/zt/article/view/zootaxa.5813.1.1 2026-05-18T11:09:12+12:00 HIGOR D. D. RODRIGUES higorddr@gmail.com RAFAEL P. R. CANEJO rafaelcanejo17@gmail.com ROBERT W. SITES sitesr@missouri.edu

<p>The genus <em>Limnocoris</em> is the only genus in the New World subfamily Limnocorinae (Naucoridae) and is predominantly neotropical in distribution. Presented here is the fourth and final contribution in a series to revise the genus; the species of eastern South America are revised, including the descriptions of three new species from Brazil: <em>L. diamantinensis</em> <strong>sp. nov.</strong>, <em>L. hirsutus</em> <strong>sp. nov.</strong>, and <em>L. valimi</em> <strong>sp. nov.</strong> Also, <em>Limnocoris montandoni</em> La Rivers <strong>stat. restit.</strong> is resurrected from synonymy with <em>L. abbreviatus</em> La Rivers and its species status restored. Further, supplemental descriptions are provided for the previously described species: <em>L. abbreviatus</em>, <em>L. aculabrum</em> La Rivers, <em>L. acutalis</em> La Rivers, <em>L. asper</em> Nieser &amp; Lopez-Ruf, <em>L. brasiliensis</em> De Carlo, <em>L. decarloi</em> Nieser &amp; Lopez-Ruf, <em>L. espinolai</em> Nieser &amp; Lopez-Ruf, <em>L. insignis</em> Stål, <em>L. machrisi</em> Nieser &amp; Lopez-Ruf, <em>L. melloleitaoi</em> De Carlo, <em>L. minutus</em> De Carlo, <em>L. montandoni</em>, <em>L. pauper</em> Montandon, <em>L. rotundatus</em> De Carlo, <em>L. saphis</em> Nieser &amp; Lopez-Ruf, <em>L. sattleri </em>De Carlo, <em>L. siolii</em> (De Carlo), <em>L. submontandoni</em> La Rivers, and <em>L. volxemi</em> (Lethierry). The following synonymies are proposed, with junior synonyms in brackets: <em>L. espinolai </em>[<em>L. porphyros</em> Nieser &amp; Lopez-Ruf <strong>n. syn.</strong>], <em>L. insignis</em> [<em>L. caraceae</em> Nieser &amp; Lopez-Ruf <strong>n. syn.</strong>], and <em>L. pauper</em> [<em>L. subpauper</em> Nieser &amp; Lopez-Ruf <strong>n. syn.</strong>]. An illustrated taxonomic key, distribution maps, and a checklist for all species in the genus also are presented.</p>

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