Dispersal rate and parasitism by Closterocerus chamaeleon (Girault) after its release in Sicily to control Ophelimus maskelli (Ashmead) (Hymenoptera, Eulophidae)

Caleca, Virgilio; Verde, Gabriella Lo; Rizzo, M.; Rizzo, Roberto

doi:10.1016/j.biocontrol.2010.12.006

Cited by 18 publications

(22 citation statements)

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“…Closterocerus chamaeleon dispersal rate in Sicily matched the presence and density of the eucalypt patches where O. maskelli is always abundant, and did not seem affected by other factors (Caleca et al, 2011). The parasitoid also demonstrated a long-distance dispersal capacity, spreading to small islets surrounding Sicily (Caleca et al 2009), and being subsequently recovered in many Mediterranean countries (Doğanlar and Mendel 2007;Borrajo et al 2008;Branco et al 2009;Caleca 2010;Lo Verde et al 2010).…”

Section: Discussionmentioning

confidence: 84%

“…In the field, the parasitoid remained active all the year, with adults also parasitizing during the winter (Rizzo et al 2006a, b;Protasov et al 2007a), and rising high parasitization levels across all seasons (Rizzo et al 2006a, b;Sasso et al 2008;Caleca et al 2009;Caleca et al 2011). Moreover, during a study on Eucalypt pests carried out close to one of the C. chamaeleon release sites in Sicily, the parasitoid was never reared from L. invasa galls (Rizzo M. C. and Lo Verde unpublished data).…”

Section: Discussionmentioning

confidence: 96%

“…Moreover, during a study on Eucalypt pests carried out close to one of the C. chamaeleon release sites in Sicily, the parasitoid was never reared from L. invasa galls (Rizzo M. C. and Lo Verde unpublished data). After its release, the parasitoid showed a continuous spreading that depended on its short-distance dispersal capacity (sensu Liebhold and Tobin 2008) and population growth rate (Caleca et al 2011).…”

Section: Discussionmentioning

confidence: 99%

“…Thanks to a collaboration started in spring 2006 with the Volcani Center (ARO) of Bet Dagan and the CSIRO of Canberra, C. chamaeleon was introduced in Campania (April 2006, Laudonia et al 2006) and Sicily (May 2006, Rizzo et al 2006bCaleca et al 2009Caleca et al , 2011. The ecological risk of the parasitoid introduction was assessed before its release in Sicily.…”

Section: Introductionmentioning

confidence: 99%

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Risk assessment of non-target effects of Closterocerus chamaeleon (Girault) parasitoid of the eucalypt gall maker Ophelimus maskelli (Ashmead) (Hymenoptera, Eulophidae)

et al. 2015

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The pre-release risk assessment, a recommended practice in biological control programmes, was carried out before introducing Closterocerus chamaeleon (Girault), a eulophid parasitoid of the eucalypt gall maker Ophelimus maskelli (Ashmead) (Hymenoptera, Eulophidae), in Sicily, Italy. We evaluated its host specificity in laboratory small arena no-choice tests on six non-target hosts, using O. maskelli as a control species. The non-target species fit with at least one of the following criteria: a) common geographical origin; b) ecological or behavioural affinities with the target host; c) concealed habit of the preimaginal stages; d) taxonomic affinity; e) taxonomic affinity with hosts of congeneric parasitoids of the candidate agent; and f) presence in Italy/Sicily. Closterocerus chamaeleon performed an oviposition sequence of 10 recognisable behaviours, always leading to parasitization when exposed to O. maskelli. The same behaviour sequence was carried out on the gall maker Leptocybe invasa Fisher et La Salle, the only non-target species living on Eucalyptus, but just until Step 6, i.e. until ovipositor extraction and insertion, and never until egg-laying. All of the other non-target hosts were ignored. Furthermore, the adult parasitoid longevity was assessed in three rearing conditions: 1) no food/no parasitisation permitted; 2) food/no parasitisation permitted; and 3) food provided after parasitisation. Adult wasp longevity was significantly higher in treatment 2 (21.1 days ± 4.1 SE) than in treatment 1 (3.6 days ± 0.5 SE) or 3 (3.8 days ± 0.6 SE). Laboratory tests carried out in this study on C. chamaeleon indicated high host selection ability, later confirmed by our post-release field data

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Section: Discussionmentioning

confidence: 84%

Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Risk assessment of non-target effects of Closterocerus chamaeleon (Girault) parasitoid of the eucalypt gall maker Ophelimus maskelli (Ashmead) (Hymenoptera, Eulophidae)

et al. 2015

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“…Studies have shown that meteorological factors are the major cause of movements and dispersal of insects in the atmosphere (Johnson 1969;Schaefer 1976;Greenbank et al 1980;Dickison et al 1981Dickison et al , 1986Neumann & Mukammal 1981;Pedgley 1982;Pedgley et al 1982;Drake & Farrow 1988;Rainey 1989;Dingle 1996). An interesting example of passive wind transport is the diffusion of gall-inducing insects linked to a single plant species that in a few years spread through the Mediterranean area (Lo Verde 2002;Skuhravá et al 2007;Lo Verde et al 2009;Caleca et al 2011); their diffusion could not occur without the aid of wind currents.…”

Section: Introductionmentioning

confidence: 99%

Importance of meteorological variables for aeroplankton dispersal in an urban environment

Cusimano

Massa

Morganti

2016

Italian Journal of Zoology

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Passive wind dispersal is one of the major mechanisms through which organisms disperse and colonise new areas. The detailed understanding of which factors affect this process may help to preserve its efficiency for the future. Despite its interest, the analysis of factors affecting the aeroplankton dispersal in urban environments is rare in literature. We sampled the aeroplankton community uninterruptedly every 4 hours from 17 May to 19 September 2011 in the urban garden of Parco d'Orléans, within the campus of the University of Palermo (Sicily). Sampling was performed by means of a JohnsonTaylor suction trap with automatised sample storing. Weather variables were recorded at a local meteorological station. Overall, 11,739 insects were caught during the present study, about 60% of which belonged to the order Hymenoptera, with particular presence of families Agaonidae and Formicidae. The suction trap also captured specimens of very small size, and in some cases, species caught resulted in new records for Italy. Composition and abundance of the aeroplankton community was influenced by alternation of day/night, as well as by daily fluctuations of climatic variables, for example fluctuating temperature. The taxonomic diversity of the samples was also studied, and was higher when the wind blew from the nearby green area. Our findings confirm that passive transport of arthropods strictly depends on weather conditions, and that the presence of natural areas within the urban environment significantly contributes to raising aeroplankton diversity, eventually fuelling overall biodiversity at a local scale.

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Foliage Feeding Invasive Insects: Defoliators and Gall Makers

Branco

Battisti

Mendel

2016

Insects and Diseases of Mediterranean Forest Systems

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Dispersal rate and parasitism by Closterocerus chamaeleon (Girault) after its release in Sicily to control Ophelimus maskelli (Ashmead) (Hymenoptera, Eulophidae)

Cited by 18 publications

References 14 publications

Risk assessment of non-target effects of Closterocerus chamaeleon (Girault) parasitoid of the eucalypt gall maker Ophelimus maskelli (Ashmead) (Hymenoptera, Eulophidae)

Risk assessment of non-target effects of Closterocerus chamaeleon (Girault) parasitoid of the eucalypt gall maker Ophelimus maskelli (Ashmead) (Hymenoptera, Eulophidae)

Importance of meteorological variables for aeroplankton dispersal in an urban environment

Foliage Feeding Invasive Insects: Defoliators and Gall Makers

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