New species and new records of exotic Scolytinae (Coleoptera, Curculionidae) in Europe
In the EU, non-European Scolytinae spp. are A1 quarantine pests. During field investigations conducted by Marchioro et al. (2022) between 2019 and 2021, the following exotic Scolytinae species were recorded for the first time in Europe or found in new European countries:
Species | Record in Europe | Area of origin | Comments |
Amasa sp. near A. truncata | Undescribed species trapped in France (Alpes maritimes, Bouches-du-Rhône, Var départements, all in Provence-Alpes-Côte d'Azur region), Portugal (Lisbon area). | Australia | In Portugal, traps were located on Eucalyptus trees or in their vicinity. |
Cnestus mutilatus | Considered established in Italy. | Oriental and Eastern Palearctic Regions | See EPPO RS 2022/147. |
Dryoxylon onoharaense | First record in Europe. Trapped in the provinces of Padova and Belluno (Veneto region, Italy). Considered established. | China, Japan and South Korea | Recently introduced in North America (now present in 14 states). Breeding host plants in Europe are unknown. Recorded in Italy from Acer saccharum, Liriodendron tulipifera, Populus deltoides. |
Hypothenemus eruditus | First record in Portugal (Lisbon area). Introduced and established in Croatia, France, Italy, Malta, Portugal (Azores), Spain (inc. Canarias), Russia and Ukraine. | Tropical and subtropical origin | Also recently found in Switzerland (see below). |
Xyleborinus attenuatus | First record in Italy. Introduced and established in most of Europe and North America. | China, Japan, Korea, Russia (Far East), Taiwan | |
Xylosandrus germanus | First record Portugal. Widely established in Europe and North America. | Oriental and Eastern Palearctic Regions |
In Switzerland, during a bark beetle monitoring survey in forests, the following species were detected in traps:
Species | Record in Europe | Area of origin | Comment |
Cyclorhipidion pelliculosum | Recorded in Germany in 2014. First record in Switzerland: caught in eight municipalities of the canton of Ticino. | Asia | Established in North America. |
Cyclorhipidion distinguendum | Recorded in France in 2018. First record in Switzerland: caught in 9 municipalities of the canton of Ticino. | Asia | See EPPO RS 2021/156. Established in North America. |
Hypothenemus eruditus | First record in Switzerland: caught in 3 municipalities of the canton of Ticino | Tropical and subtropical origin | See table above. |
Sources
Marchioro M, Faccoli M, Dal Cortivo M, Branco M, Roques A, Garcia A, Ruzzier E (2022) New species and new records of exotic Scolytinae (Coleoptera, Curculionidae) in Europe. Biodiversity Data Journal 10, e93995. https://doi.org/10.3897/BDJ.10.e93995
NPPO of Switzerland (2022-10, 2023-02).