JOINTWORM FLIES. 27 
LITERATURE CITED. 
(1) ASHMEAD, W. H. 
1894. Descriptions of new parasitic Hymenoptera. In Trans. Amer. Bnt. 
Soc., v. 21, p. 329. 
(2) Doane, R. 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 
York, p. 154. Albany. 
(6) French, G. II. 
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) LlNTNER, 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 Emery, 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. In 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 wheat, rye, barley, 
and oats. U. S. Dept. Agr. Div. Ent. Bui. 42. 
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