Results 101 to 110 of about 34,320 (266)

Dysmicoccus de la Región Neotropical (Hemiptera: Pseudococcidae) Dysmicoccus from the Neotropical Region (Hemiptera: Pseudococcidae)

open access: yesRevista de la Sociedad Entomológica Argentina, 2009
Se describen e ilustran 16 especies: D. alius sp. nov., D. bonaerensis sp. nov., D. cacao sp. nov., D. caribensis sp. nov., D. fusagasugae sp. nov., D. gracilis sp. nov., D. patagonicus sp. nov., D. perotensis sp. nov., D. pini sp. nov., D.
María Cristina Granara de Willink
doaj  

Biodiversidad de Ichneumonidae (Hymenoptera) en México [PDF]

open access: yes, 1991
ResumenLos ichneumónidos integran la familia con mayor diversidad de especies en el orden Hymenoptera y una de las más diversas en la clase Insecta. Para México se registran 1 291 especies (5.3% del total mundial) de 300 géneros y 28 subfamilias, con 43 ...
Ruíz-Cancino, Enrique   +4 more
core   +2 more sources

Management and incipient domestication of Chamaedorea tepejilote in agroforestry systems in Mexico

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Native wild plants are key elements in addressing global biodiversity loss and supporting sustainable food systems. We investigated how rural communities in Mexico manage Chamaedorea tepejilote, a wild palm with edible male inflorescences, by combining ethnobotanical, genetic, morphological and ecological approaches.
Viviana Andrade   +7 more
wiley   +1 more source

First report of nematode parasites of Physalaemus santafecinus (Anura: Leiuperidae) from Corrientes, Argentina Primer registro de nematodos parásitos de Physalaemus santafecinus (Anura: Leiuperidae) de Corrientes, Argentina

open access: yesRevista Mexicana de Biodiversidad, 2010
One hundred and eighty-three nematodes were recovered from 81 adults of leiuperid Physalaemus santafecinus examined from Corrientes, Argentina captured between January 2002 and December 2003.
Cynthya Elizabeth González   +1 more
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Biogeografía histórica de Cardiospermum y Urvillea (Sapindaceae) en América: Paralelismos Geográficos e Históricos con los Bosques Secos Estacionales Neotropicales [PDF]

open access: yes, 2012
Los géneros Cardiospermum y Urvillea (Sapindaceae, Paullinieae) están ampliamente distribuidos en América, desde el centro de los Estados Unidos hasta el centro de la Argentina. Los registros fósiles correspondientes al Eoceno tardío de América del Norte
Coulleri, Juan Pablo   +1 more
core   +1 more source

Tradeoffs between brain and digestive tissues across elevations in Typhlomys daloushanensis: evidence for sexual dimorphism

open access: yesWildlife Biology, EarlyView.
To cope with highly stochastic and/or heterogeneous environmental conditions, animals must balance energy resource allocation across physiological processes. The digestive tract and brain exhibit structural variations under strong developmental and selective pressures that vary across environmental gradients both between and within species.
Yimei Yan   +9 more
wiley   +1 more source

A new report of Sanbornia juniperi Pergarde ex. Barker, 1920 (Hemiptera: Aphididae) in Neotropical region
Pulgões; Dispersão de insetos; Plantas ornamentais; Juniperus chinensis; Cupressaceae.

open access: yesSemina: Ciências Agrárias, 2013
This study aimed to record new observations of Sanbornia juniperi Pergarde ex. Barker, 1920 (Hemiptera: Aphididae) in the Neotropical region associated with Juniperus chinensis L. (Cupressaceae).
Orcial Ceolin Bortolotto   +2 more
doaj   +1 more source

Occurrence of the neotropical moss Dicranella hilariana (Mont.) Mitt. in the Antarctic [PDF]

open access: yes, 2000
Dicranella hilariana (Mont.) Mitt., a pan-neotropical moss species, is reported for the first time from the Antarctic botanical zone. It was found on geothermally heated ground near fumaroles on Visokoi, Candlemas and Bellingshausen Islands in the ...
Arts, Theo   +3 more
core  

Functional divergence drives the prevalence of low‐abundance species in bat assemblages

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Ecological communities are structured by a few common species, while most occur at low abundance. Understanding the drivers of this widespread pattern raises fundamental questions about community assembly rules and is important for applied ecology for identifying ...
Andrés F. Ramírez‐Mejía   +3 more
wiley   +1 more source

A new species of Temnocephala (Platyhelminthes, Temnocephalida) commensal of Pomella megastoma (Mollusca, Ampullariidae) from Misiones, Argentina Una especie nueva de Temnocephala (Platyhelminthes, Temnocephalida) comensal de Pomella megastoma (Mollusca, Ampullariidae) de Misiones, Argentina

open access: yesRevista Mexicana de Biodiversidad, 2008
Temnocephala lamothei n. sp., a commensal of Pomella megastoma (Sowerby, 1825), is described herein from specimens collected at Arroyo Yabotí-Miní (Misiones province, Argentina). Juveniles and adults were removed from the mantle cavity by host relaxation.
Cristina Damborenea, Francisco Brusa
doaj  

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