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Use of Aphelinus semiflavus Howard for Control of Aphids in a Greenhouse1

Published online by Cambridge University Press:  31 May 2012

H. P. Richardson  and
P. H. Westdal
H. P. Richardson
Affiliation:
Plant Pathology and Entomology Section, Research Station, Canada Department of Agriculture, Fredericton, New Brunswick
P. H. Westdal
Affiliation:
Plant Pathology and Entomology Section, Research Station, Canada Department of Agriculture, Fredericton, New Brunswick
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Extract

In planning control programs for the apple maggot, fairly precise information on the emergence and movements of the adult is required. Generally records of emergence are obtained by the use of cages which trap the flies as they emerge from the soil. Bait lures have also been used and Neilson (1960) and others have described their methods. The construction of the cages, their establishment within the orchard. and their careful examination each day for removal of flies is time consuming. The hanging of pans within apple trees containing liquid bait lures is also troublesome and time consuming. The lures require frequent replenishing and become diluted in rainy weather and evaporate in fine weather. Searching for maggot adults in the bottom of thc pans among other fauna is time consuming.

Type
Articles
Information
The Canadian Entomologist , Volume 97 , Issue 1 , January 1965 , pp. 110 - 111
Copyright
Copyright © Entomological Society of Canada 1965

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References

Schlinger, E. I., and Hall, J. C.. 1959. A synopsis of the three important parasites of the spotted alfalfa aphid. J. econ. Ent. 52: 154–157.CrossRefGoogle Scholar
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Peck, O. 1963. A catalogue of the Nearctic Chalcidoidea (Insecta: Hymenoptera). Canad. Ent. Suppl. 30, 1092 pp.Google Scholar