Legislative Documents

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<i>Plectromacronema solaris</i> sp. nov.

<p>Full habitus. A, male lateral. B, female lateral. C, male dorsal. D, female dorsal.</p

<i>Plectromacronema solaris</i> sp. nov.

<p>Larva. A, case with larva, lateral view. B, larva lateral view.</p

New species of <i>Plectromacronema</i> Ulmer 1906 (Trichoptera: Hydropsychidae) from Brazil, with association of immature stages and aspects of its biology

<div><p><i>Plectromacronema</i> Ulmer 1906 is a Neotropical genus recorded sparsely from South of Mexico to the North of Argentina. The genus is placed within the Macronematinae sub-family, members of which are relatively large among the Trichoptera and bears conspicuous wing ornamentations. There are only two species recorded for Brazil, <i>Plectromacronema comptum</i> Ulmer 1906 and <i>Plectromacronema subfuscum</i> (Banks 1920). <i>Plectromacronema lisae</i> Flint 1983 recorded for Mexico and Costa Rica is the only species in the genus with immature stages described. Immature stages species level identification is required for water quality biomonitoring and most of the Trichoptera taxonomy is based only on adult male genitalia. In this paper, we propose a new species, <i>Plectromacronema solaris</i> sp.nov., larva, pupa, and adult. Aspects of the life history of the new species are also discussed. This record also represents a new genus record for the state of Minas Gerais, extending the knowledge on the diversity, distribution, biogeography, and biology of this remarkable genus.</p></div

Distribution of <i>Plectromacronema</i> species and type locality of <i>Plectromacronema solaris</i> sp.nov.

<p>Rio Preto State Park, Minas Gerais, Brazil.</p

<i>Plectromacronema solaris</i> sp. nov.

<p>Pupa. A, hook plates, numbers followed by letter represent abdominal segments and anterior or posterior position. B, pupal apical appendage. C, pupal exuviae.</p

<i>Plectromacronema solaris</i> sp. nov.

<p>Wings. A, forewing color markings of <i>Plectromacronema solaris</i> sp. nov. B, forewing color markings from holotype of <i>Plectromacronema comptum</i>. C, forewing venation of <i>Plectromacronema solaris</i> sp. nov. D, hindwing venation of <i>Plectromacronema solaris</i> sp. nov. Abbreviation of the wing veins: C, costa. Sc, subcosta. R, radius. M, media. Cu, cubitus. A, anal.</p

<i>Plectromacronema solaris</i> sp. nov.

<p>Scanning Electron Microscopy, case and silk. A, case opening. B, case sand grain held by silk. C, silk mat. D, silk mat in detail.</p

<i>Plectromacronema solaris</i> sp. nov.

<p>Larva. A, dorsal view, head and thorax. B, ventral gills. C, tarsal claws. D, ventral sclerite in abdominal sternum IX. E, anal proleg lateral view with anal papillae variations in detail above.</p