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A remarkable new species of Phylloicus (Trichoptera: Calamoceratidae) from Central Amazonia, Brazil

2010; Taylor & Francis; Volume: 32; Issue: 4 Linguagem: Inglês

10.1080/01650424.2010.508046

1744-4152

Allan Paulo Moreira Santos, Jorge Luiz Nessimian,

Lepidoptera: Biology and Taxonomy

Phylloicus Müller, 1880 Müller, F. 1880. ‘Sobre as casas construídas pelas larvas de insectos Trichopteros da Provincia de Santa Catharina’. Archivos do Museu Nacional, Rio de Janeiro, 3: 99–134. 210–214, plates 8–11 [Google Scholar] and Banyallarga Navás, 1916 Navás, R. P.L. 1916. ‘Neuroptera nova Americana’. Memorie della Pontificia Accademia Romana dei Nuovi Lincei, Serie II, 2: 59–80. [Google Scholar] are endemic Neotropical genera of Calamoceratidae. Currently, Phylloicus has 55 extant species, 19 of which are recorded from Brazil, and a fossil species from Dominican amber. In this paper, a new species of Phylloicus is described and illustrated from specimens collected in Amazonas State, Brazil. This new species has peculiar hind wing venation, with vein R4 attached basally to the base of R2+3. Therefore, a modified diagnosis to the genus is presented to include Phylloicus dumasi sp. nov. The new species is somewhat similar to P. paprockii Prather, 2003 Prather, A. L. 2003. ‘A revision of the Neotropical caddisfly genus Phylloicus (Trichoptera: Calamoceratidae)’. Zootaxa, 275: 1–214. [Crossref] , [Google Scholar], but can be distinguished from these and other Phylloicus species by the atypical hind wing venation, uniform colouration, and male genitalia with tergum IX produced posteriorly into two wide lobes.