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A new species and taxonomic notes on northern Nearctic Cerodontha (Icteromyza) (Diptera: Agromyzidae)

Published online by Cambridge University Press:  02 April 2012

Stéphanie Boucher
Affiliation:
Department of Natural Resource Sciences, McGill University, Macdonald Campus, Ste-Anne-de-Bellevue, Quebec, Canada H9X 3V9 (e-mail: stephanie.boucher@mcgill.ca)

Abstract

Cerodontha (Icteromyza) pilosan. sp. is described from the Yukon Territory. The Palaearctic species C. (I.) lineella (Zetterstedt) is recorded for the first time in North America, based on specimens from northern Canada and Alaska, and C. (I.) pollinosa (Melander) is synonymized with C. lineella. Cerodontha pilosa is most similar to C. (I.) longipennis (Loew) and C. (I.) lineella. Distinguishing characters and a modification of Spencer’s key to Canadian species of Cerodontha are given to separate these species.

Résumé

Cerodontha (Icteromyza) pilosan. sp. recensée sur le Territoire du Yukon, est décrite. L’espèce C. (I.) lineella (Zetterstedt) originaire du Palaéarctique, est pour la première fois recensée au nord-ouest de l’Amérique du Nord et C. (I.) pollinosa (Melander) devient un synonyme de cette espèce. Cerodontha pilosa est similaire à C. (I.) longipennis et C. (I.) lineella. Une adaptation à la clé d’identification des espèces canadiennes de Cerodontha de Spencer ainsi que les caractéristiques distinctives sont données permettant de séparer ces espèces.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 2008

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