EPPO Global Database

Dryocosmus kuriphilus(DRYCKU)

Distribution details in Italy

Situation
Current pest situation evaluated by EPPO on the basis of information dated 2019: Present, widespread
First recorded in: 2002
Pest status declared by NPPO: Present, widespread (2019-01)
From CABI Pest map 677 (2012): Present, widespread
Comments
It was first detected in 2002 near Cuneo (Piemonte), then in Abruzzo and Lazio. Despite phytosanitary measures, the pest continued to spread. It is considered to be widespread but following the release of parasitoids (Torymus sinensis) the situation is under control.

EPPO Reporting Service (2003/061) : Piemonte region (Cuneo province).

EPPO Reporting Service (2006/027) : Abruzzo and Lazio regions.

EPPO Reporting Service (2008/195) : reported in Abruzzo, Campania, Emilia-Romagna, Lazio, Liguria, Lombardia, Toscana, Trentino-Alto Adige, Piemonte, Sardegna, Veneto; under official control.

EPPO Reporting Service (2009/142) : spread continues in Liguria (4 more communes in the province of La Spezia).

EPPO Reporting Service (2009/156) : more communes in Abruzzo, and first records in Friuli-Venezia Giulia and Umbria.

EPPO Reporting Service (2009/175) : outbreaks reported in Calabria and Marche.

EPPO Reporting Service (2010/118) : Valle d'Aosta and Lazio.

EPPO Reporting Service (2010/136) : found in 2010 in Molise region.

EPPO Reporting Service (2011/040) : found in Sicilia.

EPPO Reporting Service (2011/203) : found in Basilicata (Potenza province).

From NPPO (2019): widespread but following the release of the parasitoid (Torymus sinensis), the situation is under control.
References
* Bosio, G., Brussino, G.; Baudino, M. ; Giordano, R. ; Ramello, F. (2003) Una nuova minaccia per la castanicoltura piemontese. In provincia di Cuneo si sta diffondendo uno degli insectti più nocivi per il castagno. Quaderni della Regione Piemonte, Agricoltura no. 35, 24-25.

* Graziosi I, Santi F (2008) Chestnut gall wasp (Dryocosmus kuriphilus): spreading in Italy and new records in Bologna province. Bulletin of Insectology 61(2), 343-348.

* Hellrigl K, Minerbi S (2012) [Current invasive alien pests in South Tyrol]. Forest Observer 6, 99-116 (in German).
------- Province of Bolzano (Südtirol).

* Regional PPO of Liguria (2009).

* NPPO of Italy (2006-02, 2009-07, 2009-08, 2010-07, 2010-10, 2011-07, 2019-01).
Situation in neighbouring countries
Country State Status
Austria Present, few occurrences view...
France Corse Present, restricted distribution view...
France Present, restricted distribution view...
Slovenia Present, widespread view...
Switzerland Present, restricted distribution view...