Browsing by Subject "Aquatic Coleoptera"

Now showing 1 - 3 of 3
  • Thumbnail Image
    Publication
    Open Access
    Hydraena bahiana sp. n., a new minute moss beetle (Coleoptera, Hydraenidae) from highlands of Northeast Brazil.
    (Magnolia Press, 2022) Benetti, Cesar J. B.; Valladares, Luis F.; Delgado, Juan A.; Hamada, Neusa; Zoología y Antropología Física
    Hydraena (Hydraenopsis) bahiana sp. nov. is described from Bahia State, Northeast Brazil, based on three specimens collected in pools at the headwater of a stream, 1,705 m. asl. The new species belongs to the Hydraena scintillabella subgroup of the leechi group. Description and diagnostic characters are offered; habitus photographs and line drawings of both male and female genitalia are provided. Habitat and distributional data of the new species are also included.
  • Thumbnail Image
    Publication
    Open Access
    Morphological remarks on Adelphydraena amazonica Perkins & Ribera, 2020 and new records of two other Hydraenidae from Brazil (Coleoptera).
    (Magnolia Press, 2021) Benetti, Cesar J.; Valladares, Luis F.; Delgado, Juan A.; Hamada, Neusa; Zoología y Antropología Física
    Undescribed morphological features of Adelphydraena amazonica Perkins & Ribera, 2020 are provided based on material collected in the type locality (Amazonas State, northern Brazil). Aedeagus, male sternite X, last female abdominal segments and spermatheca are illustrated and described for the first time. Habitat information on the type locality is also included. New records on two Brazilian Hydraenidae species are provided.
  • Thumbnail Image
    Publication
    Open Access
    Two new species of Hydraena Kugelann, 1794 from Brazil (Coleoptera: Hydraenidae).
    (Magnolia Press, 2020) Cesar, J. Benetti,; Valladares, Luis F.; Delgado, Juan A.; Hamada, Neusa; Zoología y Antropología Física
    Hydraena (Hydraenopsis) josefinae sp. nov. and H. (H.) pernambucana sp. nov. are described respectively from Amapá and Pernambuco States, Brazil. Hydraena (H.) josefinae sp. nov. is a member of the scintillabella subgroup of the leechi group, while H. (H.) pernambucana sp. nov. belongs to the orcula complex in the marginicollis subgroup of the marginicollis group. Descriptions and diagnostic characters for both new species are offered; habitus photographs and line drawings of male genitalia of the two new species, as well as drawings of female genitalia of H. josefinae sp. n., are provided. Male genitalia of H. alterra Perkins, 1980 is illustrated and compared with that of the closely related H. josefinae sp. nov. Habitat and distributional data of the two new species are also included.