Key Factors in Red Palm Weevil Biology (Rhynchophorus Ferrugineus) (Curculionoidea)

Porcelli, Francesco; Al-Jboory, Ibrahim; Raheem, H.Y.A.

doi:10.17660/actahortic.2012.940.83

Cited by 3 publications

(4 citation statements)

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“…A preventive and protective IPM strategy was already proposed to solve the Rhyncophorus ferrugineus (Coleoptera Curculionidae) invasion on Phoenix canariensis (Arecaceae). Such a kind of approach is needed for the management of a lethal infestation/disease with delayed damages/symptoms appearance 21,22 . By the term transmission, we indicate the action of an adult vector that has already acquired Xylella fastidiosa and that passes the bacterium to a plant by feeding.…”

Section: Introductionmentioning

confidence: 99%

A lattice model to manage the vector and the infection of the Xylella fastidiosa on olive trees

Fierro

Liccardo

Porcelli

2019

Sci Rep

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Since October 2013 a new devastating plant disease, known as Olive Quick Decline Syndrome, has been killing most of the olive trees distributed in Apulia, South Italy. Xylella fastidiosa pauca ST53 is the plant pathogenic bacterium responsible for the disease, and the adult Meadow Spittlebug, Philaenus spumarius (L.) (Hemiptera Aphrophoridae), is its main vector. This study proposes a lattice model for the pathogen invasion of olive orchard aimed at identifying an appropriate strategy for arresting the infection, built on the management of the vector throughout its entire life cycle. In our model the olive orchard is depicted as a simple square lattice with olive trees and herbaceous vegetation distributed on the lattice sites in order to mimic the typical structure of an olive orchard; adult vectors are represented by particles moving on the lattice according to rules dictated by the interplay between vector and vegetation life cycles or phenology; the transmission process of the bacterium is regulated by a stochastic Susceptible, Infected and Removed model. On this baseline model, we build-up a proper Integrated Pest Management strategy based on tailoring, timing, and tuning of available control actions. We demonstrate that it is possible to reverse the hitherto unstoppable Xylella fastidiosa pauca ST53 invasion, by a rational vector and transmission control strategy.

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Section: Introductionmentioning

confidence: 99%

A lattice model to manage the vector and the infection of the Xylella fastidiosa on olive trees

Fierro

Liccardo

Porcelli

2019

Sci Rep

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“…The first brood is asymptomatic and first damages appear during the second brood as leaflets and midribs cuts given by grubs infesting near-meristem plant tissues. Stipe rotting and palm death is a consequence of bacteria propagated by weevil grubs [9] that entomopathogenic fungi cannot stop [10]. Time from infestation to palm collapse is about one year in European countries.…”

Section: Introductionmentioning

confidence: 99%

“…The devastating bacterial rotting that kills Canary Palms are not observed in coconut or date palms. Moreover, cultivated ornamental Canary Palm appears to be more susceptible to microorganism's invasion compared to other economic palms [9,19]. Moreover, based on the preservation strategy set by the regional action plan (Official bulletin n. 24 of 02.16.2012), the study assessed the costs for the preservation of the remaining Canary Palms in the city.…”

Section: Introductionmentioning

confidence: 99%

The Red Palm Weevil in the City of Bari: A First Damage Assessment

Sardaro

Grittani

Scrascia

et al. 2018

Forests

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Phoenix canariensis Chabaud (Canary Palm) is one of the most distinctive landscape elements of several coastal urban centers in Italy. However, over the past few years, international trade has increased the risk of the introduction of Rhynchophorus ferrugineus (Red Palm Weevil) in the country, causing the death of numerous plants. In this work we assessed the damage caused by the insect to Canary Palm in the City of Bari, Apulia Region, furnishing useful information to decision makers and communities for proper preservation measures in favor of this important urban-green resource. The findings shed light on effective and efficient spending strategies of public funds for urban green inside areas affected by the Red Palm Weevil, also based on cost-benefit approaches.

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“…The economic importance of RPW is based on the host plant shifting from wild palms to alternative cultivated hosts and/or on the RPW ability to infest a considerable number of palm species at a very low population density (Porcelli et al. ).…”

Section: Introductionmentioning

confidence: 99%

Identification of pigmented Serratia marcescens symbiotically associated with Rhynchophorus ferrugineus Olivier (Coleoptera: Curculionidae)

et al. 2016

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To characterize red pigment‐producing bacteria (RPPB) regularly released during oviposition by red palm weevil (RPW), RPPB were recovered from eggs deposited in apples supplied as substrate for oviposition. The presence of RPPB was also detected from gut, the reproductive apparatus of dissected adult and virgin insects and from pupal cases collected within infested palms. RPPB were also identified all along the tissue of these palms. Analysis of the 16S rDNA, gyrB, rpoB, recA, and groEL sequences assigned RPPB to the species Serratia marcescens. RPPB exhibited an antimicrobial activity assessed by the agar well diffusion method against a number of gram‐positive and gram‐negative bacteria. In this study, we first report the identification of a red pigment‐producing S. marcescens as extracellular symbiont of RPW. Route of transmission, detection within different organs, and a wide spread along the infested palm tissue, suggested S. marcescens is present as extracellular symbiont in different developmental stages of the RPW. Additionally, the antimicrobial activity exhibited versus Bacillus spp., Paenibacillus spp., and Lysinibacillus spp., reported as insect pathogens and potential candidates for biocontrol agents, could ascribe for S. marcescens a potential protective role.

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Key Factors in Red Palm Weevil Biology (Rhynchophorus Ferrugineus) (Curculionoidea)

Cited by 3 publications

References 0 publications

A lattice model to manage the vector and the infection of the Xylella fastidiosa on olive trees

A lattice model to manage the vector and the infection of the Xylella fastidiosa on olive trees

The Red Palm Weevil in the City of Bari: A First Damage Assessment

Identification of pigmented Serratia marcescens symbiotically associated with Rhynchophorus ferrugineus Olivier (Coleoptera: Curculionidae)

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