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Cerambycidae attracted to semiochemicals used as lures for Monochamus spp. in the Sonian Forest, Brussels-Capital Region, Belgium (Insecta: Coleoptera)

par Boone, Celia ;Grégoire, Jean-Claude ;Drumont, Alain
Référence Bulletin de la Société royale belge d'entomologie, 151, page (122-133)
Publication Publié, 2015

Article révisé par les pairs

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Résumé :

The pinewood nematode (PWN), Bursaphelenchus xylophilus, causes pine wilt disease (PWD), themost serious introduced threat to coniferous forests worldwide. Strict import regulations andphytosanitary measures have failed to prevent its spread into southern Europe, where it is presentlyestablished in Portugal and locally present in Spain. In the context of a global survey in Europe for thenematode and its vectors, Monochamus species, a network of monitoring traps baited withpheromones and kairomones of Monochamus spp. was established throughout Belgium. Within thisframework, traps were placed in four Pinus sylvestris stands in the Sonian Forest in Brussels. NoMonochamus spp. were captured, however, three species, Rhagium inquisitor (Linnaeus, 1758),Arhopalus rusticus (Linnaeus, 1758) and Spondylis buprestoides (Linnaeus, 1758), were captured insufficient numbers to be considered attracted to the lures, and six other species are consideredincidental captures. Arhopalus rusticus and S. buprestoides were deemed rare in Belgium based onexamination of collections at the Royal Belgian Institute of Natural Sciences since the 1830’s and ofseveral Belgian private collections, but were shown to have stable and homogeneous populationswithin the Sonian Forest. Although these three species can carry PWN, they are not considered truevectors and the risk of PWN introduction remains low. However, due diligence dictates populationsshould continue to be monitored.