Selitrichodes neseri (Hymenoptera: Eulophidae) Recovered from Leptocybe invasa (Hymenoptera: Eulophidae) Galls After Initial Release on Eucalyptus (Myrtaceae) in Brazil, and Data on Its Biology

Masson, Marcus Vinícius; Tavares, Wagner de Souza; Lopes, Fabricio de Almeida; Souza, Amanda Rodrigues de; Filho, Pedro Berci; Barbosa, L. R.; Wilcken, Carlos Frederico; Zanúncio, José Cola

doi:10.1653/024.100.0316

Cited by 15 publications

(12 citation statements)

References 6 publications

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“…It is widespread in continents with planted Eucalyptus forests 9 . The existence of native and exotic parasitoids in planted Eucalyptus forests, as well as the introduction of exotic parasitoids, have shown promise for the biological control of Leptocybe spp 10–14 . However, the most effective control method widely used in commercial Eucalyptus planting areas is the use of resistant genotypes 15 .…”

Section: Introductionmentioning

confidence: 99%

Differential development times of galls induced by Leptocybe invasa (Hymenoptera: Eulophidae) reveal differences in susceptibility between two Eucalyptus clones

Sarmento

Pinto

Araújo

et al. 2020

Pest Management Science

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BACKGROUND The significance of morphological responses of hosts on susceptibility against gall‐inducing insects is relatively unknown, especially in planted forests. Here, we investigate the temporal morphological responses (gall development) induced by the invasive gall wasp Leptocybe invasa and the subsequent insect development in two Eucalyptus clones. RESULTS Our results identified a novel stage of gall development, not previously reported, termed here ‘brownish ring’. In both hosts similar gall development stages were observed. Although L. invasa oviposited in both clones, comparison of external morphological traits of galls over time revealed a differential response in the number of galls between clones. Comparison of the developmental time of each gall and insect stage between clones suggests that plant defense mechanisms against L. invasa are activated shortly after oviposition by the wasp, yet before gall formation. CONCLUSION Gall number is an important parameter that should be used to measure host susceptibility among Eucalyptus clones. To the best of our knowledge, this is the first study showing differential morphological responses induced by a galling insect, even before gall formation, revealing differences in susceptibility between different plant hosts. These findings provide insight into the use of early stages of gall formation by L. invasa to prevent invasion and establishment of this pest.

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Section: Introductionmentioning

confidence: 99%

Differential development times of galls induced by Leptocybe invasa (Hymenoptera: Eulophidae) reveal differences in susceptibility between two Eucalyptus clones

Sarmento

Pinto

Araújo

et al. 2020

Pest Management Science

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show abstract

“…El primer programa de control biológico clásico de esta plaga se inició en Israel hace 10 años (Kim et al, 2008) y se califica como exitoso actualmente se ha desarrollado en países como India (Shylesha, 2008), Sudáfrica (Dittrich-Schröder et al, 2014, Luo, Arnold, Lu y Lin 2014) y Brasil (Masson et al, 2017). Mientras que, en México, la estrategia actual se basa en un sistema de alerta y monitoreo frecuente (Vanegas-Rico et al, 2015).…”

Section: Discussionunclassified

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

Luna-Cruz

Vanegas-Rico

Rodríguez‐Leyva

et al. 2020

MYB

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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 México. La naturaleza exótica de L. invasa y su desarrollo en agallas, dificulta su regulación natural por entomófagos nativos en este país, lo que representa una amenaza para las regiones productoras de eucaliptos y áreas urbanas. El presente estudio evaluó la eficiencia de insecticidas en condiciones de invernadero, mediante aplicación al suelo y foliar, sobre los estados inmaduros de la avispa: huevo, larva joven, larva madura y pupa, utilizando plantas de E. camaldulensis menores de un año. La aplicación de Carbofurán o Imidacloprid en suelo ocasionó mayor mortalidad en huevo (35% a 79%) y larva joven (40% a 75%), mientras que en larva madura y pupa causó una mortalidad baja (< 5%). La aplicación de Spirotetramat sobresalió en las aplicaciones foliares, pero no es suficiente por sí sola para controlar a la plaga (mortalidad < 40%). Con base en los resultados de esta investigación y los antecedentes de la literatura especializada, se sugiere que el manejo químico sobre L. invasa en invernaderos es factible pero solamente como medida emergente. Esto mediante la utilización de Carbofurán o Imidacloprid en aplicación al suelo alternado con una aplicación foliar posterior de Spirotetramat.

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“…The parasitoid Selitrichodes neseri Kelly and La Salle (Hymenoptera: Eulophidae) has potential for the biological control of this pest ( Kelly et al, 2012 ) due to its relatively short developmental time, long adult life span when supplemented with carbohydrates, ability to utilize a range of gall ages and its high host specificity ( Dittrich-Schröder et al., 2014 ). Successful release and establishment of the parasitoid S. neseri in a Eucalyptus plantation in Brazil was demonstrated ( Masson et al, 2017 ). Selitrichodes neseri can obtain parasitism rates over 70% in L. invasa populations in laboratory ( Dittrich-Schröder et al, 2014 ).…”

Section: Introductionmentioning

confidence: 99%

Longevity and survival ofLeptocybe invasa(Hymenoptera: Eulophidae), an invasive gall inducer onEucalyptus, with different diets and temperatures

Souza

Barbosa

Passos

et al. 2018

PeerJ

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The blue gum chalcid, Leptocybe invasa Fisher & LaSalle (Hymenoptera: Eulophidae), causes galls on Eucalyptus spp. leaf midribs, petioles and stems. Biological aspects need to be studied to assist in developing management strategies and to maintain this insect in the laboratory to rear the parasitoid Selitrichodes neseri Kelly & La Salle (Hymenoptera: Eulophidae) that depends on having a supply of Eucalyptus seedlings infested by L. invasa. We evaluated the longevity and survival of L. invasa individual non reproductive females fed with six different diets (pure honey, 50% honey solution, pure honey plus eucalyptus leaves, eucalyptus leaves, distilled water, or no food) and seven different temperatures (10, 14, 18, 22, 26, 30 and 34 °C). Leptocybe invasa fed with 50% honey solution and reared at 14 or 18 °C showed the greatest longevity and survival.

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Selitrichodes neseri (Hymenoptera: Eulophidae) Recovered from Leptocybe invasa (Hymenoptera: Eulophidae) Galls After Initial Release on Eucalyptus (Myrtaceae) in Brazil, and Data on Its Biology

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 15 publications

References 6 publications

Differential development times of galls induced by Leptocybe invasa (Hymenoptera: Eulophidae) reveal differences in susceptibility between two Eucalyptus clones

Differential development times of galls induced by Leptocybe invasa (Hymenoptera: Eulophidae) reveal differences in susceptibility between two Eucalyptus clones

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

Longevity and survival ofLeptocybe invasa(Hymenoptera: Eulophidae), an invasive gall inducer onEucalyptus, with different diets and temperatures

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