(28 NEW YORK STATE MUSEUM 
fused with the Hessian fly); Remarks on the Hessian fly, p. 107-8 (discus- 
Sion of. evidence relating to introduction of this pest); Hessian fly, p. 131-38 
(brief general notice). | | 
1889 Forbes, S. A. Ill. state ent. 15th rep’t. p. 21-34 (observations on 
life history). 
1889 Lintner, J. A. N. Y. state ent. 5th rep’t, p. 263-64 (injury in 1884 
more than usual). ; | 
1889 Riley, C. V. & Howard, L. O. Burning stubble for Hessian fly. 
Insect life, 1:294 (discussion of value of this measure). 
18980 Forbes, S. A. Ill. agric. exp. sta. Bul. 12, p. 377-79 (brief general 
notice); Ill. state board of agric. June crop report (brief notice). 
1890 Koebele, Albert. Hessian fly in California. Insect life, 2:252. 
(record of its occurrence); Hessian fly. U.S. dep’t agric. diy. ent. Bul. 
22. p. 98 (injuries in California). 
1890 Summers, H. E. Hessian fly. Tenn. agric. exp. sta. Spec. bul. 
E, p. 6-8 (brief general notice). 
1891 Forbes, S. A. Ill. state ent. 17th rep’t, p. 54-63 oi a on life his- 
tory). 
1891 McCarthy, Gerald. N. ©. exp. sta. Bul. 78, p. 20 (brief notice). 
1891 Marten, John. New notes on the life history of the Hessian fly. 
Insect life, 3:265-66 (observations on development). 
1891 Riley, C. V. Appearance of wheat infested with Hessian fly. 
Insect life, 3:339-40 (remarks on the characteristic appearance of infested 
wheat). 
1891 Riley, C. V. & Howard, L. O. Hessian fiy attacking grasses in 
California. Insect life, 3:306-7 (records occurrence of two species of 
Cecidomyia in:grasses which subsequently proved not to be Hessian 
fiy). . 
1891 Webster, F. M. O. agric. exp. sta. Bul. v. 4, no. 7, p. 1383-58 
(general account). 5 
1891 Woodworth, C. W. Cal. agric. exp. sta. Rep’t. 1890. p. 312-18 
(variation in Hessian fly injury). 
1892 Garman, Harrison. Ky. agric. exp. sta. Bul. 40, p. 3-7 (brief 
general notice). . 
1892 Riley, C. V. & Howard, L. O. Hessian fly in New JOELL 
Insect life, 4:405-6 (record of occurrence). 
1893 Webster, F. M. Insect foes of American eae grains with 
measures for their prevention or their destruction. Insect life, 6:146-50 
(notes on prevalence and destructiveness of Hessian fly). 
1895 Howard, L. O. Imported parasite of the Hessian fly. Insect life, 
7: 356-57 (note on introduction of Entedon e pigonus); Apparent 
success of the Hessian fly parasite importations, p. 414-15 successful 
establishment of Hntedon). 
,1895 Lugger, Otto. Minn. agric..exp. sta. 1st rep’t ent. p. 117-19 
(brief notice). . | 
