Results 51 to 60 of about 450 (149)

Morphological responses of Eucalyptus demonstrate the potential of Trichoderma harzianum to promote resistance against Leptocybe invasa. [PDF]

Braz J Microbiol
The gall wasp Leptocybe invasa Fisher & La Salle (Hymenoptera: Eulophidae) is a major limiting factor in the cultivation of eucalyptus both in Brazil and across the world. This insect induces a gall formation on the principal veins of leaves, apices and petioles. This study investigated the impact of inoculating the fungus T.
Joseph LA, Lima NMP, Rocha PAL, Júnior AFC, Rocha JPL, Pereira JS, Martins AO, de Moraes CB, de Oliveira MLR, Araújo WL, Sarmento MI, Sarmento RA.   +11 more
europepmc   +3 more sources

Pests and diseases of trees in Africa: A growing continental emergency

PLANTS, PEOPLE, PLANET, Volume 2, Issue 1, Page 14-28, January 2020., 2020
The increasing occurrence of native and non‐native pests and diseases of trees in Africa is impacting rural livelihoods, economic development, and biodiversity across the continent. Here we provide an updated and comprehensive overview of insect pests and pathogens targeting natural and planted forests in Africa, and raise awareness of this growing ...
Ignazio Graziosi, Mathias Tembo, Jean Kuate, Alice Muchugi   +3 more
wiley   +1 more source

Susceptibilidad de Leptocybe invasa (Hymenoptera: Eulophidae) a insecticidas en invernadero

Madera y Bosques, 2020
La avispa agalladora del eucalipto, Leptocybe invasa, es una plaga de origen australiano que afecta a plantaciones de Eucalyptus spp. La especie Eucalyptus camaldulensis es el más susceptible hospedero y es ampliamente utilizado en el mundo para madera aserrada, pulpa y carbón; inclusive, es parte del arbolado urbano, como ocurre en varias ciudades de ...
Alfonso Luna-Cruz, Juan Manuel Vanegas-Rico, Esteban Rodríguez-Leyva, J. Refugio Lomeli-Flores   +3 more
openaire   +3 more sources

Biological control of eucalyptus Gall wasp, Leptocybe invasa Fisher & La Salle (Hymenoptera: Eulophidae) in Punjab, India [PDF]

, 2020
In this investigation, biological control of eucalyptus Gall wasp, Leptocybe invasa Fisher & La Salle (Hymenoptera: Eulophidae) in Punjab, India was investigated.
Yousuf, Mohd., Ikram, Mohsin, Khan, Salman, Singh, Sudhir   +3 more
core   +1 more source

Susceptibility of eucalypt taxa to a natural infestation by Leptocybe invasa

New Forests, 2019
Recently, pest occurrence in forest plantations has been increasing influenced by genotypes and environmental conditions such as climate change, thus impacting production negatively. In 2008, the exotic pest Leptocybe invasa (Hym: Eulophidae), known as the blue gum chalcid, was introduced in Brazil causing damage to eucalypt plantations in many regions
Paulo Henrique Müller da Silva, Luis Renato Junqueira, Marcio José de Araujo, Carlos Frederico Wilcken, Mario Luiz Teixeira Moraes, Rinaldo Cesar de Paula   +5 more
openaire   +3 more sources

Primeiro registro da ocorrência de Megastigmus brasiliensis parasitando vespa-da-galha no Rio Grande do Sul

Pesquisa Agropecuária Gaúcha, 2021
A vespa-da-galha do eucalipto (Leptocybe invasa) causa severos danos em suas plantas hospedeiras. Uma das principais estratégias para controlar sua dispersão é o controle biológico com himenópteros parasitoides.
Marina Rauber, Simone Mundstock Jahnke, Andreas Köhler   +2 more
doaj   +1 more source

Distribuição da vespa da galha do eucalipto

Pesquisa Florestal Brasileira, 2015
O objetivo desse trabalho foi mapear a distribuição da vespa da galha do eucalipto no mundo, destacando estados do Brasil e cidades do Paraná. Para isto, foi realizado levantamento bibliográfico dos lugares de ocorrência da vespa da galha, Leptocybe ...
Barbara Oliveira Puretz, Michele Potrich, Fabiani Dores Abati Miranda, Everton Ricardi Lozano da Silva, Álvaro Rodrigo Freddo   +4 more
doaj   +1 more source

Quadrastichus mendeli (Hymenoptera: Eulophidae): parasitism on Leptocybe invasa (Hymenoptera: Eulophidae) and first record in Brazil

Brazilian Journal of Biology, 2022
Puretz, B. O., Gonzalez, C. J., Mota, T. A., Dallacort, S., Carvalho, V. R., Silva, R. M. L., Serrão, J. E., Zanuncio, J. C., Wilcken, C. F., Salle, La (2022): Quadrastichus mendeli (Hymenoptera: Eulophidae): parasitism on Leptocybe invasa (Hymenoptera: Eulophidae) and first record in Brazil. Brazilian Journal of Biology (e264771) 82: 1-3, DOI: 10.1590/
Puretz, B. O., Gonzalez, C. J., Mota, T. A., Dallacort, S., Carvalho, V. R., Silva, R. M. L., Serrão, J. E., Zanuncio, J. C., Wilcken, C. F., Salle, La   +9 more
openaire   +4 more sources

Innovating Eucalyptus resistance: A meta-analysis of gene associations for combatting Leptocybe invasa

, 2023
Abstract Our study aimed to enhance the current understanding of Leptocybe invasa , a pest affecting Eucalyptus trees, by exploring the intricate molecular interactions between plants and insects.
Crislaine Costa Calazans, Juliana Lopes Souza, Valdinete Vieira Nunes, Renata Silva-Mann   +3 more
openaire   +1 more source

Eficiência de dois inseticidas sistêmicos no controle de Leptocybe invasa em mudas de Eucalyptus camaldulensis. Efficiency of two systemic insecticides to control blue gum chalcid wasp in seedlings of Eucalyptus camaldulensis. [PDF]

Revista do Instituto Florestal, 2013
O avanço das pragas exóticas do gênero Eucalyptus, no Brasil, está cada vez maior. A vespa-da-galha Leptocybe invasa Fisher & La Salle (Hymenoptera: Eulophidae) já é encontrada em nove estados brasileiros.
Ítalo Ramos CEGATTA, Cristian VILLEGAS
doaj