May, 1915.] 
Hemiptera-Heteroptera of Ohio. 
507 
siderable extension; its occurrence during the summer cited in¬ 
cluded localities all the way from the northern to the southern 
portion of the state and eastward to far past the central portion. 
The localities indicated on the map will show the distribution 
of the species in the state. Many of these records were secured 
thru the Ohio Experiment Station, the Extension Department of 
Ohio State University, and members of the Department of Zoology 
and Entomology of the University. Thru these sources specimens 
have been received and identified from the following localities: 
Fig. 2. Map showing distribution of Box Eider Bug in Ohio, 1913. 
Oxford, Butler Co.; Williamsburg, Clermont Co.; Washington C. 
H., Fayette Co.; Osborn and Yellow Springs, Greene Co.; Catawba, 
Clark Co.; Ft. Recovery and Celina, Mercer Co.; West Liberty, 
Logan Co.; Columbus, Franklin Co.; Galena, Delaware Co.; 
Montpelier, Williams Co.; Liberty Center, Henry Co.; Bowling 
Green and Longley, Wood Co.; Helena and Clyde, Sandusky Co.; 
Chicago Jc. and Norwalk, Huron Co.; Berea, Cuyahoga Co.; 
Carrolton, Carroll Co. 
The factors affecting the distribution within the state are not 
apparent, at least so far as the present records indicate. The 
advance within the state appears to be independent of all railway 
lines; this also seems substantially true of many of the different 
