. Bulletin. Natural history; Natural history. Fig. 5.—Map of Illinois. Each dot represents one or more localities at which stoneflies were collected dur- ing the course of this Fig. 6.—Map of Illinois, show- ing DISTRIBUTION OF Pevlesta placida. Each dot represents one or more localities at which this insect was taken. The types of all new species or varieties described in this paper are deposited in the collection of the Illinois State Natural History Survey. BIOLOGY OF THE ORDER The following are brief comparative accounts of some aspects in the life of stoneflies found in Illinois w
. Bulletin. Natural history; Natural history. Fig. 5.—Map of Illinois. Each dot represents one or more localities at which stoneflies were collected dur- ing the course of this Fig. 6.—Map of Illinois, show- ing DISTRIBUTION OF Pevlesta placida. Each dot represents one or more localities at which this insect was taken. The types of all new species or varieties described in this paper are deposited in the collection of the Illinois State Natural History Survey. BIOLOGY OF THE ORDER The following are brief comparative accounts of some aspects in the life of stoneflies found in Illinois which are of general biological or ecological interest. More specific data appear in connection with the remarks con- cerning each species. Distribution.—The stoneflies of this state, although comparatively poor in number of species for an order, follow the rule of other large. 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 Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
