. Bulletin. Geography. 282 PRAIRIE COMMUNITIES fissilis), of the strawberry flea-beetle {Typophorus canellus), and the corn rootw'orms (Diabroiica) (174), and of many other insects well known in economic literature, burrow into the roots of the plants in the larval stage. Many of the grass-eating cutworms, caterpillars, and sawflies (Fig. 287) pupate beneath the surface of the ground. The salamander {Amhlystoma tigrinum) spends ten months of each year buried in the mud of such temporary ponds. The Pennsylvania meadow-mouse {Microtus pennsylvanicus Or.) has been common in these Fig
. Bulletin. Geography. 282 PRAIRIE COMMUNITIES fissilis), of the strawberry flea-beetle {Typophorus canellus), and the corn rootw'orms (Diabroiica) (174), and of many other insects well known in economic literature, burrow into the roots of the plants in the larval stage. Many of the grass-eating cutworms, caterpillars, and sawflies (Fig. 287) pupate beneath the surface of the ground. The salamander {Amhlystoma tigrinum) spends ten months of each year buried in the mud of such temporary ponds. The Pennsylvania meadow-mouse {Microtus pennsylvanicus Or.) has been common in these Fig. 287.—Grass sawflies: a, eggs; b, larvae (a and b natural size); c, larva; d, cocoon; e, adult male; /, adult female (c to/enlarged as indicated) (after Marlatt, Insect Life). The star-nosed mole burrows beneath the sod. It is remarkable for its curiously fringed nostril. The wetness of the ground excludes other burrowing mammals. One of the most abundant forms found here is the snail {Succinea avara). The ant {Formica subpolita var. neogagates Em.) is also usually common. It builds a hill and burrows below the surface of the ground also. Several snout-beetles, the adult click-beetles, and the short- winged grouse locust {Tettigidea parvipennis and pennata) are common. 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 Geographic Society of Chicago. Chicago, Ill. : Published for the Society by the University of Chicago Press
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