JOINTWORM FLIES. 27 



LITERATURE CITED. 



(1) ASHMEAD, W. H. 



1894. Descriptions of new parasitic Ilyinenoptera. In Trans. Amer. Ent. 

 See, V. 21, p. 329. 



(2) DOANE, K. W. 



1916. A new species of Isosoma attacking wheat in Utah. In Jour. Econ. 

 Ent., V. 9, no. 4, p. 398-401. 



(3) Fitch, A. 



1859. A new barley insect. In Jour. N. Y. State Agr. Soc, v. 10, p. 114- 

 115. 



(4) 



1861. The new insect in rye. In Amer. Agr., v. 20, p. 235-236. 



(5) • 



1862. Sixth report on the noxious and other insects of the State of New 

 Yorli, p. i54. Albany. 



(6) French, G. H. 



1882. Two new species of Isosoma. In Can. Ent., v. 14, p. 9-11. 



(7) Harris, T. W. 



1830. Insects. In New England Farmer, v. 9, no. 1, p. 1-2. 



(8) Howard, L. O. 



1896. The grass and grain jointworm flies and their allies. U. S. Dept. 

 Agr. Div. Ent. Tech. Ser. 2. 24 p. 



(9) LiNTNER, J. A. 



1888. Fourth report on the injurious and other insects of the State of 

 New York, p. 34. Albany. 



(10) Phillips, W. J., and Emeey, W. T. 



1919. A revision of the North American species of the genus Harmolita 

 north of Mexico. In Proc. U. S. Nat. Mus., v. 55, no. 2281, p. 433-471, 

 pi. 39-48. 



(11) Riley, C. V. 



1882. A new depredator infesting wheat stalks. In Amer. Nat., v. 16, 

 p. 247. 



(12) 



1884. A new insect injurious to wheat. I7i Bui. Brooklyn Ent. Soc, v. 7, 

 p. 111-112. . .. 



(13) Webster, F. M. 



1892. Some features of apparent jointworm attack. In U. S. Dept. Agr. 

 Div. Ent., Ins. Life, v. 5, no. 2, p. 89-90. 



(14) 



1903. Some insects attacking the stems of growing Avheat, rye, barley, 

 and oats. U. S. Dept. Agr. Div. Ent. Bui. 42. 



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