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The Effect of Exposure of Hibernation Sites on the Time of Trypodendron Spring Flight1

Published online by Cambridge University Press:  31 May 2012

E. D. A. Dyer
E. D. A. Dyer
Affiliation:
Forest Entomology and Pathology Laboratory Victoria, B.C.
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Extract

Prebble and Graham (1957) reported that initial flights of the ambrosia beetle, Trypodendron lineatum (Oliv.), occur from late March to early May depending on the time of rapid rise in maximum daily temperature. Flight and attack activity was investigated near Cowichan Lake, B.C., by Chapman and Kinghorn (1958). They concluded that the first heavy attack flights could be expected when the air temperature rose above 60°F. (15.6°C.) after most of the snow had melted. The amount of snow cover and altitude were found to affect time of flight.

Type
Articles
Information
The Canadian Entomologist , Volume 94 , Issue 9 , September 1962 , pp. 910 - 915
Copyright
Copyright © Entomological Society of Canada 1962

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References

Chapman, J. A. and Kinghorn, J. M.. 1955. Window flight traps for insects. Can. Ent. 87: 46–47.CrossRefGoogle Scholar
Chapman, J. A. and Kinghorn, J. M.. 1958. Studies of flight and attack activity of the ambrosia beetle, Trypodendron lineatum (Oliv.), and other scolytids. Can. Ent. 90: 362–372.CrossRefGoogle Scholar
Dyer, E. D. A. and Kinghorn, J. M.. 1961. Factors influencing the distribution of over-wintering ambrosia beetles, Trypodendron lineatum (Oliv.). Can. Ent. 93: 746–759.CrossRefGoogle Scholar
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Prebble, M. L. and Graham, K.. 1957. Studies of attack by ambrosia beetles in softwood logs on Vancouver Island, British Columbia. Forest Science 3: 90–112.Google Scholar