Results 51 to 60 of about 21,294 (215)

Alteraciones fisiológicas asociadas a la infección con Mal de Río Cuarto virus (MRCV) y a fitotoxicidad provocada por su insecto vector (Delphacodes kuscheli Fennah) en trigo [PDF]

open access: yesTropical Plant Pathology, 2010
Mal de Rio Cuarto virus produces a wheat disease, resulting from the combined action of this pathogen and its main vector, Delphacodes kuscheli. Knowing that viruses and insects cause a severe symptomatology in different genotypes, the objective of this work was to determine the possible physiological alterations in three phenological stages of wheat ...
Di Feo, Liliana del V   +2 more
openaire   +4 more sources

The specialised buzz pollination syndrome poses a partial barrier to plant invasions

open access: yesJournal of Ecology, Volume 112, Issue 8, Page 1686-1700, August 2024.
We found that plants that exhibit traits consistent with the buzz‐pollination syndrome are underrepresented as invasive species across the globe. Our result suggests that the specialist buzz‐pollination syndrome poses a partial barrier to plant invasions. Our review also highlighted six alternative insect behaviours that can enable invasive plants with
Laura C. Lopresti   +2 more
wiley   +1 more source

Los insectos escama (Hemiptera: Coccomorpha) benéficos: Alimentos, colorantes, control de malezas, miel, cera y resinas

open access: yesSiembra, 2023
Los insectos escama son insectos chupadores pertenecientes a 55 familias del infraorden Coccomorpha (Hemiptera: Sternorrhyncha). De las 8468 especies descritas, solo 640 se han considerado como plagas de la agricultura.
Takumasa Kondo
doaj  

Algunas pautas de manejo de las malezas para incrementar los insectos benéficos en el cultivo de palma aceitera (Elaeis guineensis Jacquin).

open access: yesAgronomía Mesoamericana, 2016
Un total de 61 especies de malezas son informadas en el cultivo de palma aceitera en las que se hospeda o alimenta parte de la entomofauna. Las plantas más visitadas por los insectos fueron, en orden descendente, especies de Asteraceae, Euphorbiaceae ...
Ramón Mexzón
doaj   +1 more source

Thinking Complex Problems from a Social Approach: Epidemiological Transition and Chagas Disease [PDF]

open access: yes, 2016
Considerando los factores epidemiológicos que determinan el curso de los cambios poblacionales, nos encontramos actualmente frente al fenómeno del (re)surgimiento de enfermedades infecciosas, lo que conduce a replantear ciertos marcos de análisis y de ...
Sanmartino, Mariana
core   +1 more source

Laboratory susceptibility tests of Aedes aegypti and Culex quinquefasciatus larvae to the entomopathogenic nematode Heterorhabditis bacteriophora [PDF]

open access: yes, 2017
Aedes aegypti es el vector de los virus del dengue, la fiebre amarilla, el Zika y el chikungunya, y Culex quinquefasciatus, de los virus de la encefalitis de Saint Louis y de la del Oeste del Nilo. Objetivo.
Almiron, Walter Ricardo   +3 more
core   +3 more sources

A review of Agrilus cuprescens (Ménétries, 1832), the rose stem girdler, in North America

open access: yesAgricultural and Forest Entomology, Volume 26, Issue 3, Page 296-313, August 2024.
Abstract Agrilus cuprescens (Ménétries, 1832), the rose stem girdler, is a Palearctic Buprestidae (Coleoptera) pest of Rosa and Rubus species. Its introduction and consequent spread across North America may now make it the most widely distributed Agrilus species, globally. No evidence reviewed indicated A.
Justin K. O'Dea
wiley   +1 more source

Detección de triatominos (Hemiptera: Reduviidae) en ambientes domésticos y extradomésticos. Corrientes, Argentina

open access: yesCadernos de Saúde Pública, 2001
Esta investigación tiene como objetivo identificar los triatominos que predominan en ambientes domésticos y extradomésticos de diferentes departamentos de la Provincia de Corrientes mediante muestreos llevados a cabo desde 1985 hasta 1995.
Damborsky Miryam Pieri   +2 more
doaj  

Comparative morphology of male genitalia in antlions (Insecta, Neuroptera, Myrmeleontidae), with emphasis on owlflies (Ascalaphinae) and a possible structural evolutionary scenario

open access: yesJournal of Morphology, Volume 285, Issue 5, May 2024.
Male genitalia groundplan in Neuropterida is based on 10 abdominal segments, plus vestigial structures from an 11th segment. Genitalia are composed of medially fused appendages of the 10th segment (gonarcus), with gonocoxite and gonostylus components (primary gonopods), plus gonostyli of the 9th segment (seconday gonopods).
Yesenia Marquez‐López   +4 more
wiley   +1 more source

Microbe‐induced plant resistance against insect pests depends on timing of inoculation but is consistent across climatic conditions

open access: yesFunctional Ecology, Volume 38, Issue 4, Page 848-860, April 2024.
Read the free Plain Language Summary for this article on the Journal blog. Abstract To cope with abiotic and biotic stressors, plants have developed mutualistic associations with beneficial soil microbes, but little is known about how extreme abiotic conditions impact on microbe‐induce resistance to insect herbivores.
Oriana Sanchez‐Mahecha   +6 more
wiley   +1 more source

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