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The Spruce Bud Midge, Rhabdophaga swainei Felt (Cecidomyiidae: Diptera)1

Published online by Cambridge University Press:  31 May 2012

J. Clark
J. Clark
Affiliation:
Dominion Entomological Laboratory, Fredericton, New Brunswick
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Extract

In May, 1948, numerous malformed buds were collected from young spruce trees at Fredericton, N.B. These enlarged buds were about 7 mm. long and 4 mm. in diameter, with lateral scales reflexed and their rosette-like apices loose and open. Dipterous adults emerged in a few days and their identification as Rhabdophaga swainei Felt was confirmed by G. E. Shewell, Systematic Unit, Division of Entomology, Ottawa.

The only references in the literature are Felt's (1) original description of the adults and a mention of the gall by the same author (2).

The following notes are based on field observations made at intervals through 1948 and early 1949 near Fredericton, N.B.

Type
Articles
Information
The Canadian Entomologist , Volume 84 , Issue 3 , March 1952 , pp. 87 - 89
Copyright
Copyright © Entomological Society of Canada 1952

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References

1.Felt, E. P.New sp. Ottawa Naturalist 28: 77. 1914.Google Scholar
2.Felt, E. P.Plant galls and gall makers. Comstock Publishing Co. Inc., Ithaca, N.Y. 1940.Google Scholar