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DESCRIPTION OF THREE NEW CANADIAN PERLIDS

Published online by Cambridge University Press:  31 May 2012

William E. Ricker
William E. Ricker
Affiliation:
Pacific Biological Station, Nanaimo, B. C.
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Extract

While at the University of Toronto in the spring of 1934, the author had the privilege of examining the Plecoptera of the collection of the Royal Ontario Museum of Zoology. It soon became apparent that a number of undescribed species were represented therein, and the present paper describes three of the most interesting of them. It is the interest and assistance of Dr. E. M. Walker and Dr. F. P. Ide that has made possible the descriptions appearing in this and in subsequent papers.

Type
Articles
Information
The Canadian Entomologist , Volume 67 , Issue 9 , September 1935 , pp. 197 - 201
Copyright
Copyright © Entomological Society of Canada 1935

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References

page 197 note 2 In a region (Siberia-Alaska) which was in general, exempt from Pleistocene glaciation and cut off from the remainder of America by a continental ice cap.

page 197 note 3 While Hyalocoa superficially resembles the present new genus and has been placed placed in the Nyctemerinae by Seitz, Sir. G. O'Hale Carpenter has informed me that the single specimen (♀) of the genotype. Hyalocoa diaphana Eversm, in the Hope Museum, has arctiid venation, tongue, and ocelli. Lord Rothschild has informed me that the Tring Museum possesses 6 males and 1 female of Hyalocoa diaphana Bang-Haas, and that “the genus Hyalocoa is a true aretiid genus belonging to the subfamily Arctiinae.”

page 201 note 1 The author wishes to express his gratitude to Dr. T. H. Frison, Illinois Natural History Survey, and Mr. E. T. Cresson, Jr., Philadelphia Academy of Sciences, for valuable notes made in comparison with the Norton and Cresson types involved in this paper.

page 201 note 2 The terminology of the wing veins follows that presented by the author in a paper now in the press.