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season, and it would be interesting to know whether, in the reported 

 destruction to wheat, this crop had not followed grass or whether the 

 insects had not simply traveled from grass laud. I have taken them 

 in abundance from grass, and in blue-grass, where no other living plants 

 were near, they occurred in large numbers, so that there would seem to be 

 no question as to grass being their natural food. They have been 

 reported as abundant and destructive on timothy in Missouri. (Insect 

 Life, Vol. I, p. 381). 



They are about two-tenths of an inch in length, of a brownish color, 

 and the wings are rather prominently marked with dark veins. It is 

 an active species, jumps and flies readily, and is easily captured in a 

 sweep-net, and would probably fall an easy victim to the "hopper dozer" 

 or a shield," where these can be used. 



It was described by Professor Uhler in the American Entomologist, 

 Yol. Ill, p. 73 (1880), and a description and an account of its injuries to 

 wheat in the Carolinas and Georgia occurs in the Eeport of the Depart- 

 ment of Agriculture for 1879. 



The Hurtful Leaf-Hopper. 



(Jassus inimicus Say.) 



Of all the species of Homoptera that I have observed infesting grass 

 this has been unquestionably the most abundant and constant in its 

 depredations. It is par excellence a grass pest, and is found in great 

 numbers in pastures and meadows at all seasons of the year, even in 

 warm days of early winter, being found hopping actively about among 

 the blades of grass and probably extracting some slight amount of food 

 material even during this season. During the past season they have 

 been especially numerous and destructive, or at least my attention has 

 been called to them more frequently than before. My notes show them 

 swarming in May, June, July, August, and September, and, recently, 

 the latter part of November, and, later, December 12. I have found 

 them scarcely less plentiful and active in the grass on blue-grass lawn. 

 I observed them also in great numbers in all the pastures and meadows 

 that I examined while in Linn County, in the eastern part of the State, 

 in the latter part of June. Actual killing of grass by them is, however, 

 a somewhat difficult matter to prove, and, except in seasons of unusual 

 dryness, there is probably not sufficient withering of the grass from 

 their presence to attract attention. In July aud August grass here 

 showed injury by turning brown in patches, and this commenced too 

 soon after rains to be referred entirely to drought. 



Later iu the summer (September 7 and later), when the attacks of the 

 leaf-hopper had caused most of the lawn to appear brown, such patches 

 were not conspicuous. Examination of the grass where blades were 

 not entirely withered would show in many cases brown spots of varying 

 sizes, generally with the center on or near the midrib, and from small 



