. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 40 THE CHINCH BUG. That the amount and frequency of rain during the month of May has very much to do with the ravages of chinch bugs where sufficient numbers have wintered over to produce the requisite number of 3^oung, is further shown by the fact that in 1894 the only locality where serious ravages were committed was in Wyandot County, as shown on maj) (fig. 13), and this was one of the few areas in Ohio where the precipitation during that month was less than 8 Chinch Bug 'Areas infested Rainfall Under
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 40 THE CHINCH BUG. That the amount and frequency of rain during the month of May has very much to do with the ravages of chinch bugs where sufficient numbers have wintered over to produce the requisite number of 3^oung, is further shown by the fact that in 1894 the only locality where serious ravages were committed was in Wyandot County, as shown on maj) (fig. 13), and this was one of the few areas in Ohio where the precipitation during that month was less than 8 Chinch Bug 'Areas infested Rainfall Under ' 1 inch lto2 E:2to"4^ HJwrJim Fio. 14.—Map showing distribution of ciiincli ong in Ohio in ). and amount of pre- cipitation over the State during May of the same year. (Author's illustration.) Except over a circular area covering less than one-half of the county the amount of precipitation was 8 to 5 inches, and this area includes that ravaged by the cliinch bugs during the following month. Still more striking, hoAvever, is the relation between the two phenomena during the following year. The last of this series of maps (fig. 14) shows the area over which chinch bugs were reported. 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 United States. Bureau of Entomology. Washington : G. P. O.
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