Results 41 to 50 of about 90,200 (299)

Review of Coeliaria (Coleoptera: Coccinellidae: Chnoodini)

open access: yesZoologia (Curitiba), 2017
Coeliaria Mulsant, 1850 is revised based on the external morphology and genitalia of the adults and is distinguished from the other Chnoodini by the following characters: dorsal surface pubescent; antenna 11-segmented; hypomera with rounded fovea; tibia ...
Julissa M. Churata-Salcedo   +1 more
doaj   +1 more source

Comparative and functional anatomy of masticatory muscles and bite force in opossums (Didelphimorphia, Didelphidae)

open access: yesThe Anatomical Record, EarlyView.
We describe the functional anatomy of masticatory muscles in nine opossums, finding a generalized anatomical pattern with differences related to skull morphology. Variation in quantitative myological data and estimated bite force was mostly related to size, and the increase in bite force supports dietary diversification associated with size increase ...
Juann A. F. H. Abreu, Diego Astúa
wiley   +1 more source

Nueva especie del género Arctosa (Araneae, Lycosidae) del sur de Brazil

open access: yesRevista Peruana de Biología, 2008
Se describe e ilustra una nueva especie del género Arctosa C. L. a Koch, 1848, en base a material procedente de Sapiranga, sur del Brasil. Los miembros de este género por lo general excavan refugios pequeños en los bordes arenosos de los lagos, sin ...
Estevam Luís Cruz da Silva   +1 more
doaj   +1 more source

Biogeographical patterns of the neotropical genus Battus Scopoli 1777 (Lepidoptera Papilionidae) [PDF]

open access: yes, 1993
A phylogenetic approach to the groups of species of the neotropical Troidines currently included in the genus Battus Scopoli 1777 has been conducted. In the light of historical and ecological processes of evolution in the neotropical biota, the cladogram
OLIVERIO, Marco, RACHELI T.
core   +1 more source

From armadillos to sloths: Patterns and variations in xenarthran coronary anatomy

open access: yesThe Anatomical Record, EarlyView.
Abstract Species of the superorder Xenarthra play a vital ecological role in the Neotropics. Despite their evolutionary significance, anatomical studies on their coronary circulation remain scarce. This study investigated the coronary anatomy of 82 hearts from nine Xenarthra species across the Dasypodidae, Myrmecophagidae, and Bradypodidae.
Wilson Viotto‐Souza   +5 more
wiley   +1 more source

New records of biting midges of the genus Culicoides Latreille from Mexico (Diptera: Ceratopogonidae) [PDF]

open access: yes, 2012
We provide the first records of six species of biting midges (Diptera: Ceratopogonidae) in the genus Culicoides Latreille from Mexico: C. baueri Hoffman, C. castillae Fox, C. debilipalpis Lutz, C. iriartei Fox, C. leoni Barbosa and C. pusilloides Wirth
Castrejón, M. Rodríguez   +3 more
core  

Check list of ground-dwelling ant diversity (Hymenoptera: Formicidae) of the Iguazú National Park with a comparison at regional scale [PDF]

open access: yes, 2015
We describe the ant fauna of Iguazú National Park (INP), a region of high biodiversity andendemism in northeastern Argentina that includes the southernmost protected area ofthe Atlantic Forest (AF).
Achury, R.   +6 more
core   +2 more sources

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto   +3 more
wiley   +1 more source

New records of bryophytes for Pernambuco State, Brazil [PDF]

open access: yes, 2000
The known geographical distribution of 12 bryophyte species is extended by confirmation of their presence in the state of Pernambuco. Leptoscyphus porphyrius (Nees) Grolle, Harpalejeunea uncinata Steph., Chryso-hypnum diminutivum (Hampe) Buck and ...
Germano, Shirley Rangel   +2 more
core  

Changes in Species Richness and Composition of Tiger Moths (Lepidoptera: Erebidae: Arctiinae) among Three Neotropical Ecoregions [PDF]

open access: yes, 2016
Paraná, Yungas and Chaco Serrano ecoregions are among the most species-richterrestrial habitats at higher latitude. However, the information for tiger moths, one of the most speciose group of moths, is unknown in these ecoregion. In this study, we assess
Beccacece, Hernán Mario   +2 more
core   +3 more sources

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