The Extralimital Distribution of Some Species of Coleoptera

The following notes report the occurrence in Nova Scotia of Sthereus ptinoides (Germ.) and indicate the distribution in North America of 35 species introduced there from the Old World. Of the Old World species, ten are reported from America for the first time; previous records of two others are prob...

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Bibliographic Details
Published in:The Canadian Entomologist
Main Author: Brown, W. J.
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 1950
Subjects:
Insect Science
Molecular Biology
Physiology
Ecology, Evolution, Behavior and Systematics
Structural Biology
Newfoundland
Online Access:http://dx.doi.org/10.4039/ent82197-10
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0008347X00088143
Description
Summary:The following notes report the occurrence in Nova Scotia of Sthereus ptinoides (Germ.) and indicate the distribution in North America of 35 species introduced there from the Old World. Of the Old World species, ten are reported from America for the first time; previous records of two others are probably erroneous. Two, which were named and described in Rhyssemus Muls. and Scolytus Geoff. as species native to America, are considered introduced, and new synonymy is proposed for them. Confusion of introduced with native species is noted in Stethorus Weise and Rhinoncus Schön. The material recorded from Newfoundland was collected in the Northern Insect Survey, which is a co-operative project of the Canada Department of Agriculture and the Defence Research Board, Canada Department of National Defence.

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