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IDENTIFICATION KEYS FOR APHTHONA FLEA BEETLES (COLEOPTERA: CHRYSOMELIDAE) INTRODUCED IN CANADA FOR THE CONTROL OF SPURGE (EUPHORBIA SPP., EUPHORBIACEAE)

Published online by Cambridge University Press:  31 May 2012

Laurent LeSage  and
Pierre Paquin
Laurent LeSage
Affiliation:
Biological Resources Division, Centre for Land and Biological Resources Research, Agriculture and Agri-Food Canada, Ottawa, Ontario, Canada K1A 0C6
Pierre Paquin
Affiliation:
Groupe de recherche en écologie forestière, Département des sciences biologiques, Université du Québec à Montréal, Montréal, Québec, Canada H3C 3P8
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Abstract

Five species of Aphthona [A. cyparissiae (Koch), A. czwalinae (Weise), A. flava Guillebeau, A. lacertosa (Rosenhauer), and A. nigriscutis Foudras] were introduced into Canada for the biocontrol of spurge. Four identification keys are provided to determine these species: a field key based on the coloration of the body and appendages, a key for males using characters of the aedeagi, and two keys for females, the first based on features of the spermathecae, the second based on those of the styli.

Résumé

On a introduit cinq espèces d’Aphthona [A. cyparissiae (Koch), A. czwalinae (Weise), A. flava Guillebeau, A. lacertosa (Rosenhauer) et A. nigriscutis Foudras] au Canada pour lutter contre l’euphorbe. Les auteurs fournissent quatre clés pour déterminer ces espèces : une de terrain utilisant la coloration du corps et des appendices, une pour les mâles basée sur les caractères de l’édéage et deux pour les femelles, la première d’après les caractéristiques de la spermathèque, la deuxième selon celles des styles.

Type
Articles
Information
The Canadian Entomologist , Volume 128 , Issue 4 , August 1996 , pp. 593 - 603
Copyright
Copyright © Entomological Society of Canada 1996

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References

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