Buscar
Mostrando ítems 1-10 de 8332
Andesiops peruvianus (Ephemeroptera: Baetidae): a species complex based on molecular markers and morphology
(2018-01-01)
Andesiops peruvianus is widely distributed in the Andean region and has been preliminarily used as a bioindicator of good water quality. Given the morphological variations that are reported for the species, this study aimed ...
A comparison of tadpoles of two populations of Leptodactylus plaumanni (Anura: Leptodactylidae), with a discussion of Leptodactylus tadpole morphology
(2018-07-17)
Of the currently known 75 species within the four recognized species groups of Leptodactylus, the L. fuscus group contains 30 species, of which tadpoles are known for 24, including L. plaumanni described based on a population ...
A new Trichuris species (Nematoda: Trichuridae) from capybaras: Morphological-molecular characterization and phylogenetic relationships
(Elsevier Science, 2019-02)
A new species of Trichuris (Nematoda: Trichuridae) is described from the capybara, Hydrochoeris hydrochaeris (Rodentia: Caviidae), from two localities of Corrientes Province, based on morphological characteristics and ITS1 ...
A revision of Evaniscus (Hymenoptera, Evaniidae) using ontology-based semantic phenotype annotation
(PENSOFT PUBLSOFIA, 2012)
The Neotropical evaniid genus Evaniscus Szepligeti currently includes six species. Two new species are described, Evaniscus lansdownei Mullins, sp. n. from Colombia and Brazil and E. rafaeli Kawada, sp. n. from Brazil. ...
Morphologic and morphometric analysis of Hepatozoon spp. (Apicomplexa, Hepatozoidae) of snakes
(Instituto Oswaldo Cruz, Ministério da Saúde, 2002-12-01)
Hepatozoon species are the most abundant hemoparasites of snakes. Its identification has been based mainly on the morphologic characterization of the gamonts in the peripheral blood of the vertebrate host and also of the ...
Identifying plant species using architectural features in leaf microscopy images
(2016-01-01)
This work proposes an analytical method to identify plant species based on microscopy images of the midrib cross-section of leaves. Unlike previous shape-based approaches based on the individual shape of external contours ...
KARYOLOGICAL AND MORPHOLOGICAL ANALYSIS OF DIVERGENCE AMONG SPECIES OF THE KILLIFISH GENUS ORESTIAS (TELEOSTEI: CYPRINODONTIDAE) FROM THE SOUTHERN ALTIPLANO
(HARDCOVER, 2010)
Orestias Valenciennes, 1839, a genus of killi? sh classi? ed in the family Cyprinodontidae, is endemic to the Andean high plains (Altiplano) aquatic systems. Species have been classi? ed in four species complexes: O. ...
Seed morphology and post-seminal development in species of Comanthera (Eriocaulaceae)
(Revista De Biologia Tropical, 2015-12-01)
Comanthera brasiliana, C. magnifica and C. suberosa (Eriocaulaceae) are included in the Brazilian list of endangered species, due to intensive harvest and micro-endemism. These species form the Glade of Comanthera magnifica, ...
Fruit as diagnostic characteristic to recognize Brazilian species of Zornia (Leguminosae, Papilionoideae)
(Magnolia Press, 2015-07-07)
Articles of the lomentaceous fruits encountered in the thirty-six species of Brazilian Zornia species are described, illustrated and compared using scanning electron microscopy and stereomicroscopy. Macro-and micro-morphological ...