Host Range and Specificity of Monoctonus paulensis (Hymenoptera: Braconidae) a Parasite of Certain Dactynotine Aphids 1

15 March 1972

journal article
Published by Oxford University Press (OUP) in Annals of the Entomological Society of America

Vol. 65 (2) , 422-432
https://doi.org/10.1093/aesa/65.2.422

Abstract

The host range of the aphidiine parasite Monoctonus paulensis (Ashmead) was determined through numerous field collections of many aphid species found in central and coastal California. The species Acyrthosiphon pisum (Harris), Amphorophora rubitoxica Knowlton, Macrosiphum californicum (Clarke), M. cuphorbiae (Thomas), Masonaphis grindeliae Williams, Myzus ornatus Laing, M. persicae (Sulzer), and Sitobion fragariae (Walker) are reported in this paper as hosts of the parasite. The ecology of M. paulensis is reported from a study of aphid populations occurring in a cultivated alfalfa field and an area of uncultivated floral associations. Field data indicate that S. fragariae is the principal host of this parasite in central lowland California.

Keywords

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