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The North American Species in Group VIII of Ips De Geer (Coleoptera: Scolytidae)1

Published online by Cambridge University Press:  31 May 2012

G. R. Hopping
Affiliation:
Forest Entomology and Pathology Laboratory, Calgary, Alberta

Abstract

Group VIII of North American Ips contains I. interruptus (Mannerheim), I. engelmanni Swaine, I. amiskwiensis G. Hopping, I. sulcifrons Wood, I. pilifrons Swaine, I. yohoensis Swaine, I. tridens (Mannerheim) and I. semirostris G. Hopping. Females of some species have dense brushes of long setae or pads of short pile covering the frontal protuberance. Species are described and a key is given. All of them breed in spruce, six in the boreal forest and two farther south in the Rocky Mountains.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1965

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References

Chamberlin, W. J. 1958. The Scolytoidea of the Northwest: Oregon, Washington, Idaho and British Columbia. Ore. St. Monogr., Corvallis (Stud. Ent.) 2: 205 pp.Google Scholar
Hopping, G. R. 1962. The sex ratios in Ips tridens (Mannerheim) (Coleoptera: Scolytidae). Canad. Ent. 94: 506.CrossRefGoogle Scholar
Hopping, G. R. 1963a. The natural groups of species in the genus Ips De Geer (Coleoptera: Scolytidae) in North America. Canad. Ent. 95: 508516.CrossRefGoogle Scholar
Hopping, G. R. 1963b. The North American species in Group I of Ips De Geer (Coleoptera: Scolytidae). Canad. Ent. 95: 10911096.CrossRefGoogle Scholar
Hopping, G. R. 1963c. The North American species in Groups II and III of Ips De Geer (Coleoptera: Scolytidae). Canad. Ent. 95: 12021210.CrossRefGoogle Scholar
Hopping, G. R. 1964. The North American species in Groups IV and V of Ips De Geer (Coleoptera: Scolytidae). Canad. Ent. 96: 970978.CrossRefGoogle Scholar
Mannerheim, G. C. G. von. 1852. Zweiter Nachtrag zur Kaefer-Fauna der Nord-Amerikanischen Laender des Russischen Reiches. Bull. Soc. Imp. nat. Moscou 25: 283387.Google Scholar
Swaine, J. M. 1912. New species of the family Ipidae. Canad. Ent. 44: 349353.CrossRefGoogle Scholar
Swaine, J. M. 1918. Canadian Bark Beetles Pt. II. Tech. Bull. Domin. Can., Dep. Agric. 14, 143 pp.Google Scholar