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TACHINIDAE (DIPTERA) PARASITOIDS OF BERTHA ARMYWORM (LEPIDOPTERA: NOCTUIDAE)

Published online by Cambridge University Press:  31 May 2012

James E. O’Hara
Affiliation:
Biological Resources Program, Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, Central Experimental Farm, Ottawa, Ontario, Canada KIA OC6

Abstract

The bertha armyworm, Mamestra configurata Walker, causes periodic but severe damage to canola crops in North America, particularly in the Canadian provinces of Alberta, Saskatchewan, and Manitoba. This paper provides information on the tachinid flies (Tachinidae: Diptera) recorded from bertha armyworm in North America. A key to adults is provided for separation of the genera, and each species known from bertha armyworm is characterized with respect to recognition, biology (including hosts), and distribution. The species included are Athrycia cinerea (Coquillett), Blondelia sp., Chetogena claripennis (Macquart) species complex, Chetogena tachinomoides (Townsend) (new record), Eurithia consobrina (Meigen), Exorista mella (Walker), Lespesia archippivora (Riley), Panzeria ampelus (Walker), Phryxe pecosensis (Townsend), Phryxe vulgaris (Fallén), Spallanzania hebes (Fallén) (new record), Winthemia rufopicta (Bigot), and Winthemia quadripustulata (Fabricius). Eurithia consobrina is a Palearctic species that has been introduced into Canada for control of M. configurata but is probably not established; it is included here in the event it is introduced again and establishment is achieved.

Résumé

La Légionnaire bertha, Mamestra configurata Walker, cause des dommages périodiques mais graves dans les cultures de colza d’Amérique du Nord, particulièrement dans les provinces canadiennes de l’Alberta, de la Saskatchewan et du Manitoba. On trouvera ici des informations sur les tachinaires (Tachinidae : Diptera) rencontrées chez la légionnaire en Amérique du Nord, clé des divers genres et aspects particuliers des espèces trouvées sur la légionnaire, description, biologie (y compris les hôtes) et répartition; ce sont Arthrycia cinerea (Coquillet), Biondelia sp., le complexe Chetogena claripennis (Macquart), Chetogena tachinomoides (Townsend) (nouvelle mention), Eurithia consobrina (Meigen), Exorista mella (Walker), Lespesia archippivora (Riley), Panzeria ampelus (Walker), Phryxe pecosensis (Townsend), Phryxe vulgaris (Fallen), Spallanzania hebes (Fallen) (nouvelle mention), Winthemia rufopicta (Bigot) et Winthemia quadripustulata (Fabricius). Eurithia consobrina est une espèce paléarctique introduite au Canada pour assurer la lutte contre M. configurata, mais ne s’est probablement pas établie; elle est mentionnée ici au cas où elle serait introduite de nouveau et réussirait à s’établir.

[Traduit par la Rédaction]

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1999

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