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The occurrence of Dryocoetes krivolutzkajae (Coleoptera: Curculionidae: Scolytinae) in Canada: a potential pest of cultivated roseroot (Crassulaceae)

Published online by Cambridge University Press:  24 April 2015

Anthony I. Cognato ,
Alain Cuerrier ,
Kwesi Ampong-Nyarko ,
Luise Hermanutz  and
Vanessa Mardones
Anthony I. Cognato*
Affiliation:
Department of Entomology, Michigan State University, East Lansing, Michigan 48823, United States of America
Alain Cuerrier
Affiliation:
Jardin botanique de Montréal, Institut de recherche en biologie végétale, Université de Montréal, Montréal, Québec, Canada H1X 2B2
Kwesi Ampong-Nyarko
Affiliation:
Alberta Agriculture and Rural Development, Edmonton, Alberta, Canada T5Y 6H3
Luise Hermanutz
Affiliation:
Department of Biology, Memorial University of Newfoundland, St. John’s, Newfoundland and Labrador, Canada A1B 3X9
Vanessa Mardones
Affiliation:
Department of Biology, Memorial University of Newfoundland, St. John’s, Newfoundland and Labrador, Canada A1B 3X9
*
1Corresponding author (e-mail: cognato@msu.edu).
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Abstract

Dryocoetes krivolutzkajae Mandelshtam (Coleoptera: Curculionidae), a scolytine bark beetle previously known only from the Kamchatka Peninsula, Russia was discovered in Labrador and New Brunswick, Canada. It is unknown whether the Canadian populations represent an introduction or the natural range of D. krivolutzkajae. The habit of this beetle is particular because it is one of the few scolytines that complete their lifecycle within herbaceous roots. This species feeds on the rhizomes of Rhodiola rosea Linnaeus (Crassulaceae) an important natural medicinal plant. Currently it is unknown if, and how rhizome infestation affects the active chemical constituents. The impact of D. krivolutzkajae on the quantity and quality of R. rosea rhizomes requires study.

Type
Behaviour & Ecology – NOTE
Information
The Canadian Entomologist , Volume 147 , Issue 6 , December 2015 , pp. 741 - 743
Copyright
© Entomological Society of Canada 2015 

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Footnotes

Subject editor: Patrice Bouchard

References

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