214 
Psyche 
[Vol. 93 
National Research Council of Canada (A5707), the U.S. National 
Science Foundation (G22135) and the Canadian National Sports- 
men’s Show. For the loan of type specimens and of general collec- 
tions, we acknowledge the assistance of N. E. Woodley, A. F. 
Newton and N. D. Stone, Museum of Comparative Zoology, Har- 
vard University; A. Kaltenbach, Naturhistorisches Museum Wien; 
O. S. Flint, United States National Museum of Natural History; D. 
G. Denning, Moraga, California; D. J. Burdick, California State 
University, Fresno; J. D. Unzicker, Illinois Natural History Survey; 
S. D. Smith, Central Washington State College; A. P. Nimmo, 
University of Alberta; N. H. Anderson and R. W. Wisseman, 
Oregon State University; I. M. Levanidova, Institute of Biology and 
Pedology, Vladivostok; M. W. Oswood, University of Alaska; F. 
Schmid, Biosystematics Research Institute, Ottawa; L. Zhiltzova, 
Zoological Institute, USSR Academy of Sciences, Leningrad; W. J. 
Pulawski, California Academy of Sciences, San Francisco. For 
assistance with field collections we are indebted to G. W. Courtney, 
H. E. Frania, E. R. Fuller, R. Jaagumagi, L. H. Kohalmi, B. D. 
Marshall, C. R. Parker, R. S. Scott, I. M. Smith, R. N. Vineyard, 
R. W. Wisseman, and T. Yamamoto. 
Line drawings were prepared by Anker Odum and Zile Zichmanis 
of the Royal Ontario Museum. Photographs were made by Brian 
Boyle, ROM Photography. Susan Pasch, Shakilah Mehrunnisa and 
E. R. Fuller assisted with the preparation of the manuscript. 
Summary 
From analysis of type specimens of the seven putative species of 
the Onocosmoecus unicolor group and of extensive collections from 
many localities in North America, six names ( Asynarchus tristis 
Banks, Dicosmoecus coloradensis Ulmer, Anabolia quadrinotatus 
Banks, Dicosmoecus (O.) occidentis Banks, Dicosmoecus (O.) alas- 
censis Banks all from North America, and Dicosmoecus flavus Mar- 
tynov from Kamchatka) are proposed as junior subjective synonyms 
of Onocosmoecus unicolor (Banks). Other variables are discussed 
and it is concluded that existing evidence shows O. unicolor to be a 
highly variable and widespread species ranging through northern 
and montane North America to eastern Asia. A new species Ono- 
cosmoecus sequoiae is recognized from several localities, mainly in 
