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HYLEMYA EXTREMITATA (DIPTERA: ANTHOMYIIDAE) AND SPECIES OF CHLOROPIDAE ASSOCIATED WITH INJURY TO BROMEGRASS, WITH DESCRIPTIONS OF LARVAE

Published online by Cambridge University Press:  31 May 2012

H. J. Teskey ,
J. M. Clarke  and
C. R. Elliott
H. J. Teskey
Affiliation:
Biosystematics Research Institute, Agriculture Canada, Ottawa
J. M. Clarke
Affiliation:
Department of Crop Science, University of Saskatchewan, Saskatoon
C. R. Elliott
Affiliation:
Research Station, Agriculture Canada, Beaverlodge, Alberta
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Abstract

A brief infestation of near outbreak proportions by larvae of Hylemya extremitata Malloch occurred on bromegrass, Bromus inermis Leyss and B. pumpellianus Scribn., at Beaverlodge, Alta., in 1971–72. Larvae feeding primarily on meristematic tissue caused injury to as many as 20% of the grass tillers examined. Mature larvae overwintered within the tillers. Adults emerged in mid-June. Descriptions are given of the three larval stages of this species and of mature larvae of the first two of the following four species of Chloropidae, which were also found living within the bromegrass: Olcella provocans (Becker), Oscinella coxendix (Fitch), Oscinella incerta Becker, and Conioscinella melancholica Becker.

Type
Articles
Information
The Canadian Entomologist , Volume 108 , Issue 2 , February 1976 , pp. 185 - 192
Copyright
Copyright © Entomological Society of Canada 1976

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