BIBLIOGRAPHY. 51 
1884, 1885, vol. 21, pp. 7-136-19-120, pi. 1-12, fig. 1. Separata: Springfield, 
111., 1885, pp. 7-130-1 it- 120, pi. 1-12, fig. 1, pp. 38-50. 
(36) Forbes, S. A. A new parasite of the Hessian fly. <l J syche, April, 1888, vol. 
5, pp. 39-40, 1 iig. 
Relates to Platygaster (Polygnotus) hiemalis. 
(37) Forbes, 8. A. Fifteenth report of the state entomologist on the noxious and 
beneiicial insects of the State of Illinois. < Trans. Dept.of Agric. State of 
Illinois, 1889. Separate: Springfield, 111., 1889, pp.115, figs. 1. 
Includes notice of several -rain insects, anions them notes on the Hessian fly. 
(38, Forbes S. A. The Hessian fly. <Bull. No. 12, 111. Agric. Exp. Sta., November, 
1890. pp. 377-379, pi. 1. 
Uriel' accounts, with remedies. 
(39) Forbes, S. A. Additional notes on the Hessian fly. Seventeenth report of the 
State entomologist on the noxious and beneficial insects of the State of Illi- 
nois. Pp. 54-63. <Trans. Dept. Agric. State of Illinois, 1891. Separate : 
Springfield, 111., 1891, pp.90, pis. 7. 
(40) French, G. H. Hessian fly. <Prairie Farmer. September, 1877. 
Notes on Cecidomyia destructor. 
(41) Gains, A. Potato hug and Hessian fly. ^Oregon Naturalist, January, 1896, 
pp. 10-11. 
(42) Garman, H. Some common pests of the farm and garden. <P>ull. No. 40. Ky. 
Agric Exp. Sta., March, 1892, pp. 1-51, tigs. 28; also in 5th Ann. Rpt., 1894, 
pp. 43-88. 
Treats of the Hessian fly and several other insects. 
(43) Gaylord, W. A treatise on insects injurious to field crops, fruit orchards. 
vegetable gardens, and domestic animals; with a description of each and 
the best methods of destroying them or preventing the ir ravages. <_Trans. 
N. Y. State Agric. Soc, 1843, vol. 3, pp. 127-174, plates 3. See New Engl. 
Farmer, 1845, vol. 23, pp. 314, 315. 
(44) Glover, Townexd. Insects injurious and beneficial to vegetation. <Report 
U. S. Coinin. Patents for 1854, Agriculture, 1855, pp. 59-89, pi. 3-8. 
(45) Green, R. On the Hessian fly. <Amer. Farmer, August 30. 1822. <N. Engl. 
Farmer, 9 November, 1822, vol. 1, p. 113. 
llahits of L'eraphi^.i [=Merisu8 destructor), parasite on the Hessian fly, Cecidomyia 
destructor. 
(46) Hagen, H. A. The Hessian fly not imported from Europe. <Can. l'.nt.. 
October, 1880, vol. 12, pp. 197-207. <3d Rept. U. S. Ent. Commission, 1883 
(6 March, 1884), pp. (43-)-(49). 
(47) Hagen, H. A. Further material concerning the Hessian fly. <Can. l'.nt.. May. 
1885, vol. 17, pp. 81-93. 
Evidence concerning the occurrence of Ceeidomyia destructor in North America before 
the Revolution. 
(48) Hagen, II. A. On the Hessian fly in Italy. <Can. Ent.. July, 1SS5, vol. 17. 
pp. 129-131. 
Evidence for the existence of Ceeidomyia destructor in Italy; reproduction oi' the 
species by pedogenesis; habits of the larva. 
(49) Harris, T. W. Insects injurious to vegetation. <1841, 1842,1852. includes 
discussion of the Hessian fly. 
(50) Herrice, E. C. A brief preliminary account of the Hessian fly and its parasites. 
<Amern. Journ. Sci. and Arts, 1841. ser. l. vol. 11. pp. 153-158.. See I'rans. 
Ent. Soc. London, 1834, vol. L,p.5. Proe, [sis, 1844, vol. 1. pp. 290-291. Rept. 
(U. S.) Coinui. Patents for 1M I. Agriculture, 1845, pp. 161-167. 
Data concerning the occurrence of Cecidomyxa destructor in Europe and America i life- 
habits, parasites, and" the means against. 
