47 



Blatchley, State geologist of Indiana, who lias collected Coleoptera 

 rather extensively in that State, sent me the following list of counties 

 in Which he had collected the beetle, and which are as follows: Posey, 

 Floyd, Orange, Vigo, and Laporte. Thus this "beetle is known to 

 occur throughout the entire length of Indiana. As it may become a 

 serious enemj^ to growing corn, this information has a certain practi- 

 cal value. In my paper just referred to I also gave the distribution 

 of Myochrous squamosus, as far as it was then possible. At that 

 time I had a rather vague report of its having been found in Ken- 

 tucky, but as this was far out of its known range of distribution I 

 withheld the information until such time as I could either verify it or 

 be more prepared to show that it was an error. I find, however, that 

 one of Dr. Forbes's assistants has taken it in Central Illinois on weeds 

 and corn, and the Kentucky locality does not now appear at all 

 doubtful. 



Some ten years ago the late Mr. Bolter, of Chicago, wrote me that 

 about twenty-five j^ears before he had found the asparagus beetle 

 (Crioceris asparagi) as far as 40 miles to the west of that city, but 

 had never observed it since that time; also that Mr. B. D. Walsh had 

 given him specimens taken about Rock Island, 111. The species has 

 remained unknown, so far as I am able to learn, in Illinois since that 

 time. Last year, 1902, and again this year, 1903, two of Dr. Forbes's 

 assistants have found it quite plentifully in some of the northwest- 

 ern suburbs of Chicago. a During the past summer I searched care- 

 fully for it about Rock Island, but failed to find it there. It is cer- 

 tainly interesting that it should have continued to exist about Chicago 

 during these thirty-five years without sp reading, while in Ohio and 

 Ontario its diffusion to the westward is sufficiently marked to attract 

 considerable attention. When this westward tide of migration reaches 

 Illinois, as now seems every way probable, it will be of much impor- 

 tance to observe if it stops here or continues its westward march across 

 the State, leaving the old colony about Chicago behind. 



I may add that the harlequin cabbage bug (Miirgantia histrionica) 

 is represented in the Bolter collection b}^ a specimen taken about 

 Chicago, while it bred in Urbana in 1896, the same year that it pushed 

 its way north in Ohio, breeding on rape at Wooster and being found 

 at Hinkley, about 25 miles from the south shore of Lake Erie. 



Mr. Gillette reported the presence of the harlequin cabbage bug in 

 Colorado and said that Diabrotica vittata is spreading in the State, a 

 few specimens having been taken at Fort Collins. 



Mr. Fletcher stated that in Ontario the asparagus beetles were 



a In one of these localities an asparagus grower stated that the species had been 

 present in that vicinity about twenty-five years before the time of writing.— 

 E. S. G. T. 



