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| Format: | Recurso digital |
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Zenodo
2026
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| Hasła przedmiotowe: | |
| Dostęp online: | https://doi.org/10.5281/zenodo.19165397 |
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- <p><b>Genus <i>Kuyenusia</i> gen. nov.</b></p><p><b>Type species.</b> <i>Cidaria ceres</i> Butler, 1882</p><p><b>Diagnosis.</b> <i>Kuyenusia</i> resembles <i>Ennada</i>, <i>Praeapodroma</i>, and <i>Incantia</i> externally in wing shape; however, it differs by having filiform antennae in both sexes. It shares this trait with <i>Antuluciella</i> and <i>Spargania</i> but differs markedly in genital morphology. In the genitalia, <i>Spargania</i> and <i>Kuyenusia</i> share the shape of the valvae and transtilla, but the latter can be distinguished by the absence of processes and spines on the valvae, the shape of the juxta, the strongly reduced uncus, and the shape of the signum in the female genitalia. It shares with <i>Ennada</i> the semicircular projection of the transtilla but differs notably in the shape of the valvae and uncus. It shares with <i>Antuluciella</i> the slightly twisted shape of the corpus bursae in the female genitalia but can be differentiated by the absence of androconial brushes in the male genitalia, the absence of proximal sclerotization, and the shape of the signum. It can be distinguished from other Ennadini genera by the following features of the genitalia: broad basally and gradually narrowing distally juxta, strongly reduced uncus, elongated subscaphium bearing microspines, and a slightly twisted, entirely membranous corpus bursae.</p><p><b>Description.</b> Adults (Figs 2h–i). Antennae filiform in both sexes. Thorax and abdomen yellowish brown (<i>K. ceres</i>) or grayish-brown (<i>K. tenten</i>). Forewings triangular, with costa slightly arched towards apex and termen rounded; medial and subterminal bands marked. Wing venation (Fig. 3d). two accessory cells; Sc free, R 1 free arising from the second accessory cell, R 3 and R 4 stalked, R 2 and R 3+4 stalked, R 5 free, arising from the second accessory cell, ending at termen; M 2 arising closer to M1 than to M 3, M 3 strongly arched; CuA 1 arising 1/15 before the end of the cell, CuA 2 arising 1/3 before the end of the cell. Hindwings yellowish brown, sericeous, with the proximal half darker. Sc+R 1 anastomosed with the radial trunk for 3/4 of the discal cell, Rs and M 1 stalked, M 2 arising closer to M 3 than to M 1, M 3 equidistant between M 2 and CuA 1, CuA 1 arising 1/8 before the end of the cell, CuA 2 arising 1/3 before the end of the cell. Male genitalia (Fig. 9). Uncus strongly reduced; subscaphium as long as the valvae; gnathos not developed; valvae spatulate with subapical androconia, cucullus expanded; juxta broad basally and gradually narrowing distally; transtilla projected with a small distal process; saccus extended anteriorly, with strongly expanded and folded posterior margin (<i>K. ceres</i>), or lacking posterior expansion (<i>K. tenten</i> Ramos-González & Parra <b>sp. nov.</b>). Female genitalia (Fig. 9). Corpus bursae membranous, subpyriform, slightly twisted in its proximal half; signum present as a pair of spiny patches (<i>K. ceres</i>) or absent (<i>K. tenten</i> Ramos-González & Parra <b>sp. nov.</b>).</p><p><b>Distribution.</b> <i>Kuyenusia</i> is distributed in the Santiagan (Chilean Central Subregion), Maule, and Valdivian Forest (Subantarctic Subregion) biogeographic provinces of the Andean Region in Chile.</p><p><b>Etymology.</b> The generic name derives from the Mapudungun word <i>Küyen</i> (moon) and the Greek <i>Ousía</i> (οὐσία), meaning essence. It refers to the crepuscular habit of the species in contrast to its sister genera <i>Antuluciella</i> and <i>Incantia</i>; its gender is feminine.</p>