. Breviora. 1962 NORTH AMERICAN BETHYLUS dccipiens (Provancher) is the earliest name for the "short- headed" species. The two species are widely sympatric east of the Rockies, but amoenus is not known to occur west of the Rockies. The characters separating the two species are summar- ized below, as are their synonymy and distribution. N 0. of Males IZ 11 10 9 a 7 5 4 3 Z 1 .76 79 80 81 .62 &h .54 .85 .£6 .6 7 .es .89 wh/lh. No. of Females. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and ap
. Breviora. 1962 NORTH AMERICAN BETHYLUS dccipiens (Provancher) is the earliest name for the "short- headed" species. The two species are widely sympatric east of the Rockies, but amoenus is not known to occur west of the Rockies. The characters separating the two species are summar- ized below, as are their synonymy and distribution. N 0. of Males IZ 11 10 9 a 7 5 4 3 Z 1 .76 79 80 81 .62 &h .54 .85 .£6 .6 7 .es .89 wh/lh. No. of Females. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. , Museum of Comparative Zoology, Harvard University
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