Results 71 to 80 of about 4,024 (140)

Dos nuevas especies de Pogonomyrmex (Hymenoptera: Formicidae) de la Argentina [PDF]

open access: yes, 2009
Se describen dos nuevas especies de Pogonomyrmex Mayr para la Argentina: P. mendozanus sp. nov. y P. kusnezovi sp. nov. Se presenta una lista actualizada de las especies de Pogonomyrmex de la Argentina junto con datos de distribución, comentarios sobre ...
Claver, Silvia   +1 more
core  

South American Coccinellidae (Coleoptera) : part 7, new name for Cyra Mulsant, review of Brachiacanthini genera, and systematic revision of Cleothera Mulsant, Hinda Mulsant and Serratitibia Gordon and Canepari, new genus [PDF]

open access: yes, 2013
Genera of Brachiacanthini (Coleoptera: Coccinellidae: Hyperaspidinae) are discussed and a key to all recognized genera provided. Cyrea, new genus, is proposed, and Serratitibia, new genus, is erected and revised, Cleothera Mulsant and Hinda Mulsant are ...
Canepari, Claudio   +2 more
core   +1 more source

Future virialized structures: An analysis of superstructures in SDSS-DR7

open access: yes, 2011
We construct catalogues of present superstructures that, according to a LCDM scenario, will evolve into isolated, virialized structures in the future.
Lambas, Diego G.   +3 more
core   +1 more source

New taxa in Elaphidionini and Eburiini (Cerambycidae, Cerambycinae) [PDF]

open access: yes, 2010
São descritos novos táxons em Cerambycinae, Elaphidionini: Parapantonyssus gen. nov., espécie-tipo, P. ipiri sp. nov. da Guatemala (San Marcos); Aposphaerion nigritum sp. nov. da Bolívia. Em Eburiini: Beraba tate sp.
GALILEO, Maria Helena M.   +1 more
core   +3 more sources

Catálogo de las especies de Diaspididae (Hemiptera: Coccoidea) nativas de Argentina, Brasil y Chile [PDF]

open access: yes, 1999
Be listan un total de 96 especies de Diaspididae descritas de Brasil (73), Argentina (15) y Chile (8), present an dose su list a sinonimica, material Tipo, localizacion del mismo; huespedes conocidos y referencias bibliograficas mas importantes.
Claps, Lucia E.   +2 more
core  

Numerical study of the one-dimensional quantum compass model

open access: yes, 2010
The ground state magnetic phase diagram of the one-dimensional quantum compass model (QCM) is studied using the numerical Lanczos method. A detailed numerical analysis of the low energy excitation spectrum is presented.
B. Doucot   +19 more
core   +2 more sources

Notas, novos registros e novas espécies da coleção de Cerambycidae (Coleoptera) do Instituto Nacional de Pesquisas da Amazônia, Manaus [PDF]

open access: yes, 2011
Espécies novas descritas da Amazônia brasileira em Ibidionini: Compsibidion uniforme sp. nov. (Amazonas); Heterachthes rafaeli sp. nov. (Amazonas); em Apomecynini: Amphicnaeia lineolata sp. nov. (Pará); em Desmiphorini: Cotycicuiara magnifica sp.
GALILEO, Maria Helena M.   +1 more
core   +3 more sources

Description of the female of Malukandra heterostyla (Lameere, 1902) (Coleoptera, Cerambycidae, Parandrinae) [PDF]

open access: yes, 2012
The female of Malukandra heterostyla (Lameere, 1902) (Coleoptera: Cerambycidae) is described and figured for the first time. An identification key to Malukandra is provided.A fêmea de Malukandra heterostyla (Lameere, 1902) (Coleoptera: Cerambycidae) é ...
Heffern, Daniel, Santos-Silva, Antonio
core  

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