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Note on the Leaf Miner Lithocolletis malimalifoliella Braun (Lepidoptera: Gracillariidae) as an Apple Pest in Quebec1

Published online by Cambridge University Press:  31 May 2012

E. J. LeRoux  and
B. Parent
E. J. LeRoux
Affiliation:
Fruit Insect Section, Science Service Laboratory St. Jean, Quebec
B. Parent
Affiliation:
Fruit Insect Section, Science Service Laboratory St. Jean, Quebec
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Extract

In 1953, 1954, and 1955 a species of leaf miner heavily infested leaves of apple trees in an orchard at Farnham, Que., causing severe damage to the crop. The pest was present on all apple varieties but was particularly abundant on Cortland. This infestation is apparently the first known to cause serious injury in Quebec.

Specimens were determined by Dr. T. N. Freeman, Entomology Division, Ottawa, as of Lithocolletis malimalifoliella Braun. This pest has not been previously reported from the Province of Quebec. It has been reported as a persistent and sometimes serious pest of apple in the Annapolis Valley, N.S. (Cameron and Patterson, 1941; Patterson and Neary, 1943), but does not appear to have been reported elsewhere in Canada. Under Quebec conditions L. malimalifoliella has two complete generations and a partial third per year and overwinters in the pupal stage. A survey revealed the pest to be present in all major apple-growing areas of the province.

Type
Articles
Information
The Canadian Entomologist , Volume 88 , Issue 8 , August 1956 , pp. 515
Copyright
Copyright © Entomological Society of Canada 1956

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References

Cameron, J. M. and Patterson, N. A.. 1941. Insects of the season 1940 in Nova Scotia. In The Canadian Insect Pest Review 19, pp. 15–18. Canada Dept. Agr., Ottawa, (processed)Google Scholar
Muesebeck, C. F. W., Krombein, K. V., Townes, H. K., and others. 1951. Hymenoptera of America north of Mexico. Synoptic catalog. U.S. Dept. Agr., Agr. Monogr. No. 2.Google Scholar
Patterson, N. A., and Neary, M. E.. 1943. Insects of the season 1942 in Nova Scotia. In The Canadian Insect Pest Review 21, pp. 14–18. Canada Dept. Agr., Ottawa, (processed)Google Scholar
Thompson, W. R. 1946. A catalogue of the parasites and predators of insect pests. Section 1, parasite host catalogue. Part 8, parasites of the Lepidoptera. Imp. Agr. Bur., Parasite Serv., Belleville, Ont., Canada, (processed)Google Scholar