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NOTES ON SIGALPHUS CURCULIONIS AND SIGALPHUS CANADENSIS
Published online by Cambridge University Press: 31 May 2012
Extract
I reared from Conotrachelus nenuphar last summer a number of parasites, which were determined for me by Dr. Riley as Sigalphus curculionis Fitch, and S. curculionis, var. rufus. Full descriptions of both of these may be found on page 27 of Riley's Third Missouri Report, and upon page 67 of the Supplement to the Missouri Reports.
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