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with the Thanks Chris Majka for the expert info. Do you have any comments on the damage it has caused to witherod in areas where it occurs in N.S.? Quoting Christopher Majka <c.majka@ns.sympatico.ca>: > Hi David, > > On 30-Oct-12, at 3:25 PM, David Patriquin wrote: > >> Speaking of pests, Gary Saunders of McPhail Woods in PEI gave a >> wonderful presentation to the NS Wild Flora Society last week on >> "Restoring the Acadian Forest" in which he mentioned that an >> invasive pest is aggressively chewing down witherod (wild raisin) >> in PEI, something I think we should be on the lookout for in NS. >> I believe it is the Viburnum Leaf Beetle, >> http://www.gov.pe.ca/af/agweb/index.php3?number=74367&lang=f >> It has been sighted in Nova Scotia on domestic Vibrunums (2005), >> and possibly as early as 1924. >> http://www.hort.cornell.edu/vlb/csphoto.html >> http://cat.inist.fr/?aModele=afficheN&cpsidt=18705014 >> http://www.entsoc.org/PDF/Pubs/Periodicals/AE/AE-2007/Summer/ Weston.pdf > > Laurent LeSage and I wrote a paper on Pyrrhalta viburni (the > Viburnum Leaf Beetle) in the Maritime Provinces back in 2007: > > Majka, C.G., and LeSage, L. 2007. Introduced leaf beetles of the > Maritime Provinces, 3: the Viburnum leaf beetle Pyrrhalta viburni > (Paykull) (Coleoptera: Chrysomelidae). Proceedings of the > Entomological Society of Washington 109(2): 454-462. > > A PDF version of the paper is available at: > > http://www.chebucto.ns.ca/Environment/NHR/PDF/Pyrrhalta_viburni.pdf > > We were the ones that reported the earliest North American records > of the species from 1924 collected in Annapolis Royal, Nova Scotia. > > We posited two possible pathways of introduction: > > 1. In relation to the early habitations in the area dating from 1605 > (and, indeed, in preliminary data from the area, the proportion of > introduced beetles in the area of Annapolis Royal appears to be > twice as high as the provincial average); and > > 2. In association with the Annapolis Royal Nurseries, the largest > and most comprehensive horticultural nursery in eastern Canada > established in 1885. By checking historical catalogues were able to > ascertain that in 1927 the Nurseries were selling three exotic > Palearctic species of Viburnum (V. opulus L., V. tomentosum Shasta, > and V. plicatum Thunb.). > > There is much more detail and information in the paper itself. In > any event, the Viburnum Leaf Beetle is now widely established in > the Maritime Provinces including large areas of the mainland of > Nova Scotia. The earliest records from both Prince Edward Island > and New Brunswick are from 1995. > > All the best, > > Chris > > > Christopher Majka <c.majka@ns.sympatico.ca> | Halifax, Nova Scotia, Canada > > * Research Associate: Nova Scotia Museum | > http://museum.gov.ns.ca/mnh/research-asfr.htm > * Review Editor: The Coleopterists Bulletin | http://www.coleopsoc.org/ > * Subject Editor: ZooKeys | > http://pensoftonline.net/zookeys/index.php/journal/index > * Review Editor: Zootaxa | > http://www.mapress.com/zootaxa/taxa/Coleoptera.html > * Associate Editor: Journal of the Acadian Entomological Society | > http://www.acadianes.org/journal.html > * Editor: Atlantic Canada Coleoptera | > http://www.chebucto.ns.ca/Environment/NHR/PDF/index.html > * Editor: Bugguide, Coleoptera http://bugguide.net > > Whenever I hear of the capture of rare beetles, I feel like an old > war- horse at the sound of a trumpet. - Charles Darwin > > David Patriquin 6165 Murray Place Halifax, N.S. Canada B3H 1R9 e-mail: patriqui@dal.ca Phone: 902-4235716 Professor of Biology (retired) Dalhousie University http://www.dal.ca Halifax Field Naturalists http://halifaxfieldnaturalists.ca Nova Scotia Wild Flora Society http://nswildflora.ca Young Naturalists Club of Nova Scotia http://ync.nature1st.net/ Woodens River Watershed Environmental Organization http://wrweo.ca Control of Chinch Bug without Pesticides http://versicolor.ca/lawns
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