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SPECIES SEPARATION IN THE DECLARATA GROUP OF THE GENUS EUXOA, A COMPUTER ANALYSIS BASED ON STRUCTURAL CHARACTERS

Published online by Cambridge University Press:  31 May 2012

D. F. Hardwick  and
L. P. Lefkovitch
D. F. Hardwick
Affiliation:
Canada Department of Agriculture, Ottawa
L. P. Lefkovitch
Affiliation:
Canada Department of Agriculture, Ottawa
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Abstract

A sample of 205 specimens of the declarata group of the genus Euxoa was subjected to clustering, principal components, and discriminant analyses. The analyses were based largely on male genitalic characters. Only the discriminant analysis was successful in segregating the three nominal components of the group.

Type
Articles
Information
The Canadian Entomologist , Volume 105 , Issue 3 , March 1973 , pp. 501 - 508
Copyright
Copyright © Entomological Society of Canada 1973

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References

Gower, J. and Ross, G. J.. 1969. Minimum spanning trees and single linkage cluster analysis. Appl. Statist. 18: 54–64.CrossRefGoogle Scholar
Hardwick, D. F. 1970. The genus Euxoa (Lepidoptera: Noctuidae) in North America. 1. Subgenera Orosagrotis, Longivesica, Chorizagrotis, Pleonectopoda, and Crassivesica. Mem. ent. Soc. Can., No. 67. 175 pp.Google Scholar
Hardwick, D. F. 1973. A synopsis of the albipennis–lillooet–declarata series of the genus Euxoa Hbn. with descriptions of a new species and a new subspecies. Can. Ent. 105: 493–500.CrossRefGoogle Scholar
Hartigan, J. A. 1972. Direct clustering of a data matrix. J. Am. statist. Ass. 67: 123–129.CrossRefGoogle Scholar
McRae, D. J. 1970. MIKCA; a fortran IV iterative k-means cluster analysis program. Behavl Sci. 16: 423–424.Google Scholar
Wishart, D. 1969. An algorithm for hierarchial classification. Biometrics 25: 165–170.CrossRefGoogle Scholar