124 FIRST ANNUAL REPORT OP 



Ertosoma. ulmi, N. Sp. — 'Color dark blue. Length to tip of closed wings, exclusive of anten- 

 nae, 0.12. Wings hyaline, three times as long as wide, and more pointed at the ends than in E.pyri. 

 Costal anfi subcostal veins, and that bounding the stigma behind, robust and black. Liscoidal 

 peine together with the 3d forked and stigmal veins, all slender and black, the forked rein being as 

 distinct to its base as are the others, with the fork but J as long as the vein itself and curved in an 

 opposite direction to the stigmal vein. Antenna? 6-jointed and of the same color as the body ; 

 joints 1, 2, 4, 5 and 6 of about equal length, joint 3 thrice as long as either. Legs of the same 

 color as body.. 



The young lice are -narrower and usually lighter colored than the mature individuals, varying 

 from flesh or pink to various shades of blue and purple. 



INSECTS INJURIOUS TO THE GRAPE-VINE. 



The culture of the grape forms an imoortant branch of Missouri 

 horticulture. There is scarcely another State in the Union that has 

 such natural advantages for the growing of this delicious fruit. While 

 traveling up the Missouri river, 1 have been struck with the great 

 similarity in the general character of the country to the celebrated 

 Grape-growing districts of the Rhine, in Prussia. The Germans have 

 also so thoroughly settled the country along the Missouri that the re- 

 semblance is made still more striking. As another evidence of the 

 importance of this branch of horticulture in our State, the American 

 Grape Oulturist, the only periodical published in this country that 

 is solely devoted to Grape-growing and wine-making, has just been 

 started in St. Louis, by Mr. George Husmann. It becomes us then to 

 know something of the insects injurious to the vine. 



THE NEW GRAPE-ROOT BORER— Orthosoma cylindricum, (?) 



Fabr. 



(Coleoptera, Prionidae.) 

 [Fig. 67.] 



The ad interim committees of the Illinois and Missouri State 

 Horticultural Societies, while visiting the orchards and vineyards 

 along the line of the Iron Mountain Railroad, discovered that sundry 

 grape vines on Dr. C. W. Spanlding's place were dying ; and on digging 

 up such vines, the roots were found to be entirely hollowed out, and 

 in many instances severed, by a worm which is faithfully represented 

 at the head of this article — Figure 67. At about the same time, Mr. 

 Walsh, of Rock Island, received an immense specimen from W. D. F. 

 Lummis, of Makanda, Illinois, with the same account of its habits, 

 and the following letters which I have since receiyed relate to the 

 same worm ; 



