. A monograph of the North American Proctotrypidae [microform]. Hymenoptera; Hyménoptères. U. S. NAnONAL MUSEUM BULLETIN 45, PL. IV. / » 2 SiEROO-Cw. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ashmead, William H. (William Harris), 1855-1908. Washington : G. P. O.

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Keywords: ., book, bookcentury1800, bookdecade1890, bookpublisherwashingtongpo