. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. North American Ptomaphagus • Peck 87. Map 10. Distribution of Ptomaphagus [Adelops] cocytus (open circle in northcentral Arizona), a troglobite from Grand Canyon, Arizona, and Ptomophagus [Adelops] tisus (dark dots). (Dipodomys) burrows at Cathedral City, California; in ground squirrel burrows (Citellus) in Orange County, California; and in prairie dog burrows in Colorado. A series of 24 was taken under a stone at Palm Springs, and one under a stone and one in a grass pile at Claremont, California. Seasonality. The sp
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. North American Ptomaphagus • Peck 87. Map 10. Distribution of Ptomaphagus [Adelops] cocytus (open circle in northcentral Arizona), a troglobite from Grand Canyon, Arizona, and Ptomophagus [Adelops] tisus (dark dots). (Dipodomys) burrows at Cathedral City, California; in ground squirrel burrows (Citellus) in Orange County, California; and in prairie dog burrows in Colorado. A series of 24 was taken under a stone at Palm Springs, and one under a stone and one in a grass pile at Claremont, California. Seasonality. The species has most com- monly been taken in the winter and spring months from October to May. Only two specimens come from outside this period (from Tucson in August). That they have not been taken in the hot summer months from June to September may reflect in- activity of collectors. Larvae are unknown. Distribution. The species ranges through the xeric regions of the western and south- western United States from southern Cali-. 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. : The Museum
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