86 



Stagmomantis Carolina, Burm., is an inhabitant of southern Indiana, and 

 breeds in the extreme southern portion, and, at least, as far north as Jef- 

 ferson county. I learn that a female was captured in Indianapolis last 

 year. The line given, however, marks its northern limit of usual occur- 

 rence. In Coleoptera, Di/nasles lityus, Linn., is a good example. It is a 

 southern species, occurring from Central America northeast to southern 

 New York. Its northern limit in Indiana is near the line given on the 

 accompanying map. It breeds in the vicinity of Bloomington, and I have 

 seen a specimen taken at Columbus. Tetracha virginica, Linn., whose dis- 

 tribution Schaupp gives as "Texas, Louisiana, Florida, Nebraska and 

 Pennsylvania," I have taken at LaFayette. 



In Hemiptera, Murgantia histrioniea, Hahan, whose southern home is 

 Gautemala and Mexico, began its northward march from Texas about 

 1866, and has now reached northern New Jersey on the east, occurring in 

 southern Ohio, where it appeared about 1889. It has for quite a number 

 of years been observed in southern Illinois, but seems not to have appeared 

 in Indiana until 1890, when it was observed in Perry county. It also occurs 

 commonly over the southern half of Missouri, and, in fact, covering the 

 whole area south of our dividing line, and, as shown, crowding closely up 

 to it in Ohio, Indiana and Illinois, though it is not likely to extend far 

 beyond this in either of these states. Its slow progress and scanty num- 

 bers show it to have nearly reached its northern limit. There are two 

 other members of this order of whose local distribution I wish to speak, 

 the origin of both being enveloped in an obscurity altogether too dense to 

 offer any hope of our ever being able to solve the mysteries of their diffu- 

 sion. I refer to the Chinch bug, Bliss"* h ucopU rus, Say, and Cicada septen- 

 decim, Linn. 



The Chinch bug was described by Say from a specimen from the east 

 shore of Virginia, though it is now known to have at that time occurred 

 in destructive numbers in Illinois, and at no great distance from New Har- 

 mony, Indiana. In fact, Illinois seems to have been the central point of 

 its greatest abundance— the storm center, so to speak. In Indiana, its 

 destructive area may be approximately included by a line drawn from the 

 northwest corner, near Chicago, to New Albany, and its area of occurrence 

 in noticeable numbers by a line drawn from the same point to Ft. Wayne 

 and the eastern border of Ohio. North of this line, especially in the 

 northern row of counties, the insect can only be found by close collecting. 

 I myself spent a half a day in LaGrange county during a season of great 



