A new phoretic association: Bursaphelenchus minutus (Nematoda: Parasitaphelenchidae) and Orthotomicus erosus (Coleoptera: Scolitydae) recorded on Pinus pinea (L.)

Torrini, Giulia; Strangi, Agostino; Paoli, Francesco; Binazzi, Francesco; Camerota, Manuela; Pennacchio, F.; Roversi, Pio Federico

doi:10.1080/02827581.2016.1254278

Cited by 4 publications

(4 citation statements)

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“…The recently observed association between B. minutus and the scolytid beetle Orthotomicus erosus Wollaston by Torrini et al. (2017) suggests a possible explanation of the nematode distribution in the regional territory: O. erosus is usually found in declining pine forests, and it is considered one of the most important insects linked to the Matsucoccus feytaudi (Binazzi, 2005).…”

Section: Discussionmentioning

confidence: 99%

“…and host plants and/or insect vectors are reported; B. minutus was extracted from the wood of Pinus strobus, P. halepensis, P. radiata and Pseudotsuga menziesii . Before today, it was found associated with Pinus wallichiana Jackson in India (Walia et al, 2003); Picea abies , Pinus nigra and P. pinea in Italy (Carletti, 2008; Torrini et al., 2017); and P. pinaster in Portugal (Fonseca, Moron‐Lopez, & Abrantes, 2012). Moreover, P. nigra has been indicated as a new host plant for the Bursaphelenchus tusciae .…”

Section: Discussionmentioning

confidence: 99%

“…Bark beetles are the main vectors of nematodes, in particular of Bursaphelenchus spp., and their proliferation in the conifer ecosystem increases the phytosanitary risk for the spread of the Bursaphelenchus spp. nematodes into new areas (Carletti, 2008; d'Errico et al, 2015; Francardi, De Silva, Pennacchio, & Roversi, 2006; Torrini et al., 2017).…”

Section: Introductionmentioning

confidence: 99%

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First detection ofBursaphelenchus abietinusandB. andrassyiin Italy

et al. 2020

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During the annual monitoring surveys for the pinewood nematodes,Bursaphelenchus xylophilus,conducted in the Tuscany region (Central Italy) from the year 2015 to 2019, a total of 1,025 wood samples were collected from symptomatic plants in coniferous forests. Among the eightBursaphelenchusspecies found,Bursaphelenchus abietinusandB. andrassyiwere identified through morphological and molecular analysis and recorded for the first time in Italy. Additionally, new associations betweenBursaphelenchusspecies and the host plants or insect vectors have been reported. The generalized linear models performed to investigate the possible relation between the level of coniferous plant decay and the occurrence ofBursaphelenchusnematodes highlighted that the probability of theBursaphelenchuspresence in the samples increased with the degeneration of the phytosanitary state of the tree, the presence of blue stain fungi and different types of insects.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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First detection ofBursaphelenchus abietinusandB. andrassyiin Italy

et al. 2020

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“…Equally of concern for these ecosystems are potentially dangerous biological invasions related to trade of either timber or wood as packaging material that may disperse xylophagous beetles belonging mainly to the families Cerambycidae, Buprestidae and Curculionidae (e.g. Brockerhof, Bain, Kimberley, & Knížek, 2006; Ciesla, 1992; Kirkendall & Faccoli, 2010; Meurisse, Rassati, Hurley, Brockerhoff, & Haack, 2019; Pennacchio et al., 2004; Pennacchio et al., 2016; Pennacchio, Roversi, Francardi, & Gatti, 2003; Pennacchio, Santini, & Francardi, 2012; Rassati, Haack, Knížek, & Faccoli, 2017; Strangi et al, 2017; Torrini et al., 2019; Wu et al, 2017). In the last decades, despite prevention and control measures, many alien species have been intercepted at the Italian entry ports.…”

Section: Introductionmentioning

confidence: 99%

First record of Ektaphelenchoides pini associated with Ips sexdentatus on Pinus nigra laricio in Italy

et al. 2020

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In February 2015, an unexpected windstorm downed five hectares of a European black pine Pinus nigra subsp. laricio forest formation located close to Vallombrosa, Florence (Central Italy). In the following spring, an extensive survey was conducted in the area. Felled trees, stumps and all the suitable plant material were screened for the presence of the pinewood nematode (PWN), Bursaphelenchus xylophilus, by sampling wood and bark. Bark beetles were then collected from the gallery systems on the inner side of bark samples and observed in the laboratory. The following bark beetles were morphologically identified: Ips sexdentatus, Orthotomicus erosus, O. laricis and Pityogenes bidentatusa. The dissection of Ips sexdentatus allowed the extraction of numerous nematodes that were morphologically and molecularly identified as Ektaphelenchoides pini. Conversely, only few nematode specimens were isolated from either pine bark or wood. These individuals could be only molecularly identified and belonged to an undescribed nematode taxon. Even though no PWN was recorded in the investigated sites, our survey allowed the detection of a new association between E. pini and I. sexdentatus on P. nigra.

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