Results 41 to 50 of about 498 (101)

Cereal aphid species: their natural enemies and efficiency of Lysiphlebus testaceipes (Cresson, 1880) to control Rhopalosiphum maidis (Fitch, 1856)

open access: yesEPPO Bulletin, Volume 54, Issue 3, Page 369-380, December 2024.
Abstract Cereal grains both for human consumption and animal feed are an essential component of global food systems. However, during production they are often targeted by various pest insects, including aphids. A survey was carried out from 2017 to 2021 in six cereal production sites in Tunisia to evaluate aphid diversity and identify natural enemies ...
Dalila Haouas   +4 more
wiley   +1 more source

INTRODUCCIÓN Y EVALUACIÓN DEL PARASITOIDE Diadegma semiclausum (HELLEN) PARA EL CONTROL DE Plutela xylostella EN NICARAGUA

open access: yesLa Calera, 2009
Con el propósito de evaluar el parasitoide Diadegma semiclausum Hellen, como una alternativa biológica (parasitoide) en el manejo de Plutella xylostella (L) se introdujo a Nicaragua un pie de cría. Se realizaron estudios relacionado a saneamiento del pie
Kelving John Cerda Cerda   +1 more
doaj  

Density‐dependence and competition between Tranosema rostrale and Elachertus cacoeciae, two parasitoids of the spruce budworm

open access: yesEntomologia Experimentalis et Applicata, Volume 172, Issue 6, Page 533-543, June 2024.
The interactions between two common parasitoid species (Hymenoptera) of the spruce budworm, Choristoneura fumiferana (Lepidoptera: Tortricidae), were investigated during the low‐density period between outbreaks using data collected through field‐implanted larvae in two sites over a 35‐year period.
Véronique Martel   +2 more
wiley   +1 more source

Adequação do hospedeiro e parâmetros relacionados à aptidão de Cotesia glomerata L. (Hymenoptera: Braconidae) em diferentes ínstares de Ascia monuste orseis Godart (Lepidoptera: Pieridae)

open access: yesArquivos do Instituto Biológico, 2016
RESUMO: O estudo teve por objetivo adequar o ínstar do hospedeiro Ascia monuste orseis ao parasitismo de Cotesia glomerata e avaliar o desempenho do parasitoide. Foram oferecidas às fêmeas de C.
Mariana Pizzatto   +3 more
doaj   +1 more source

Fewer pests and more ecosystem service‐providing arthropods in shady African cocoa farms: Insights from a data integration study

open access: yesJournal of Applied Ecology, Volume 61, Issue 2, Page 304-315, February 2024.
To achieve lower pest burdens and higher abundances of potential pollinators and natural enemies, African cocoa farms should maintain a dense canopy of shade trees. The current shift towards high‐intensity cocoa farming in Africa could result in long‐term losses due to pest infestations and loss of arthropod‐mediated ecosystem services.
Crinan Jarrett   +7 more
wiley   +1 more source

Psyllaephagus trioziphagus (Hymenoptera: Encyrtidae), parasitoide de Mastigimas anjosi (Hemiptera: Calophyidae)

open access: yesPesquisa Florestal Brasileira, 2015
Psyllaephagus trioziphagus (Howard, 1885) foi observado pela primeira vez parasitando imaturos de Mastigimas anjosi Burckhardt et al., 2011, com apenas um parasitoide em cada imaturo. Este parasitoide foi previamente reportado desde o Canadá até o Brasil.
Valmir Antonio Costa   +2 more
doaj   +1 more source

Biología del parasitoide Psyllaephagus bliteus (Hymenoptera: Encyrtidae)

open access: yesRevista Chapingo: Serie Ciencias Forestales y del Ambiente, 2005
En Chapingo, M xico, fueron estudiados varios aspectos de la biolog a del parasitoide Psyllaephagus bliteus. Se describe el huevo, larva, pupa y adultos.
A. Plascencia-González   +4 more
doaj  

Desarrollo y comportamiento de Epidinocarsis (= Apoanagyrus) diversicomis Howard (Encyrtidae) enemigo natural de Phenacoccus herreni Cox & Williams (Pseudococcidae)

open access: yesActa Agronómica, 1986
The development and behavior of Epidinocarsis diversicornis (Encyrtidae), a parasite of Phenacoccus herreni Pseudococcidae) was studied. Developmental time was 35.72 at 20°C, 20.15 at 25°C and 18.12 at 30°C.
Bellotti Anthony C.   +1 more
doaj  

La familia braconidae (hymenoptera) en la localidad de guarico, estado lara, venezuela, e indicadores de su diversidad biológica The family Braconidae (Hymenoptera) in Guarico, Lara State, Venezuela, and indicators of its biodiversity

open access: yesBioagro, 2012
En Venezuela son pocos los trabajos sobre el estudio de la diversidad de avispas de importancia agrícola, por lo que el objetivo de esta investigación fue determinar la biodiversidad de la familia Braconidae en dos ambientes diferentes en la localidad de
Ramón Paz   +3 more
doaj  

Insectos plagas y sus enemigos naturales en el cultivo de Theobroma cacao L. (cacao) en los valles de Tumbes y Zarumilla, Perú

open access: yesManglar, 2013
Problema: el cultivo de Theobroma cacao (cacao) es afectado por insectos plagas que ocasionan daños y reducen significativamente la calidad y rendimiento, pero también es frecuentado por insectos que actúan como enemigos naturales de los insectos plagas.
Pedro Castillo
doaj   +1 more source

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