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The Canadian Entomologist The Canadian Entomologist

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Psila nigricornis Meig. (Diptera: Psilidae), a New Pest of Possible Economic Importance

Published online by Cambridge University Press:  31 May 2012

R. Glendenning
R. Glendenning
Affiliation:
Field Crop Insect Laboratory, Canada Department of Agriculture, Agassiz, British Columbia
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In February, 1951, specimens of chrysanthemum stools received from a nurseryman near Sardis, British Columbia, were found to be injured by maggots. Examination showed dipterous larvae feeding in channels bored in the centres of the roots, crowns, and new shoots.

As available literature contained no reference to an insect having this habit in chrysanthemums, material was caged for rearing. Adults began emerging on March 17, and were determined by Mr. J. F. McAlpine, Systematic Entomology, Division of Entomology, Ottawa, as Psila nigricornis Meig. This was a new record for North America.

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The Canadian Entomologist , Volume 84 , Issue 4 , April 1952 , pp. 107
Copyright
Copyright © Entomological Society of Canada 1952

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