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NOTES ON A FEW SPECIES OF COLEOPTERA WHICH ARE CONFUSED IN MANY COLLECTIONS, AND ON SOME INTRODUCED EUROPEAN SPECIES

Published online by Cambridge University Press:  31 May 2012

John Hamilton
John Hamilton
Affiliation:
Allegheny, Pa.
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Extract

In exchanging Coleoptera it is common to find many erroneous determinations of species. While these errors are for the most part individual, several are wide spread and seem to be perpetuated by tradition from the older collectious. The object of this paper principally is to direct attention to a few of the latter.

1. Triplax thoracica Say, and T. flavicollis Lac. These species are often found in colonies feeding together on the same fungus, and have the same appearance. The separation of mature specimens is easy, the under side of thoracica being entirely rufous, while the metathorax and abdomen of flavicollis are black or piceous.

Type
Articles
Information
The Canadian Entomologist , Volume 16 , Issue 2 , February 1884 , pp. 35 - 38
Copyright
Copyright © Entomological Society of Canada 1884

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