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Note on the Green-Muscardine Fungus, Metarrhizium anisopliae (Metch.) Sor., as a Control for Wireworms1

Published online by Cambridge University Press:  31 May 2012

C. J. S. Fox  and
R. P. Jaques
C. J. S. Fox
Affiliation:
Crop Insect Section, Science Service Laboratory Kentville, Nova Scotia
R. P. Jaques
Affiliation:
Crop Insect Section, Science Service Laboratory Kentville, Nova Scotia
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Extract

The fungus Metarrhizium anisopliae (Metch.) Sor., which causes a disease in insects known as green-muscardine, was first used by Metchnikoff in 1879 to infect insects artificially. Subsequently it was widely tested as a control agent with a few encouraging results (Steinhaus, 1949).

From 1951 to date the disease was common in a moderately dense population of the introduced elaterid wireworm Agriotes obscurus (L.) near Dartmouth, and much less prevalent in a very dense population of a related introduced species, A. sputator (L.), near Digby. The higher incidence of the disease near Dartmouth was tentatively attributed to the fact that this area has greater annual rainfall and is more subject to coastal fogs than is Digby. These observations led to the culturing and testing of the fungus in the laboratory and to attempts to increase the incidence of the disease at both Digby and Dartmouth by artificial dissemination of the spores in the soil.

Type
Articles
Information
The Canadian Entomologist , Volume 90 , Issue 5 , May 1958 , pp. 314 - 315
Copyright
Copyright © Entomological Society of Canada 1958

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References

Fox, C. J. S. In press. Some effects of insecticides on the wireworms and vegetation of grassland in Nova Scotia. Proc. 10th Int. Congr. Ent.Google Scholar
Koidsumi, K. 1957. Antifungal action of cuticular lipids in insects. J. Ins. Psysiol. 1: 40–51.CrossRefGoogle Scholar
Rockwood, L. P. 1950. Entomogenous fungi of the family Entomophthoraceae in the Pacific northwest. J. Econ. Ent. 43: 704–797.CrossRefGoogle Scholar
Steinhaus, E. A. 1949. Principles of insect pathology. McGraw-Hill, New York.Google Scholar