BIBLIOGRAPHY. .>.> 
tera in relation to other orders of* insects, with maps and illustrations 
Washington: 1883 (6 March, 1881), pp. 11+347 + 12 + 92,18 figs.,4 maps. 
(Includes No. 90.) 
(100) Riley, C. V. Wheat insects. <Blair (Nebr.) Times, 20 July, 1876. 
Quotes from 1st Aim. Kept. State Ent. M<>.. pp. 150-161; "wheat injured in Nebraska 
in 1876 by Cecidomyia destructor and Meromyza am* i ieana; r-.r. ages of larva, description 
of imago and means against the latter: occurrence of Disonycha flaviventris in Nebraska. 
(101) Riley, C. V. The Hessian fly. <Jonrn. and Fanner, 11 June, 18*7. 
Description of eggs, larva, puparium, and imago of Cecidomyia destructor; eivil his- 
tory, seasons, habits, ravages of and means against it ; habits of SemioteUus {Mt 
destructor. 
(102) Riley, C. V. The Hessian fly. <N. Y. Tribune, 4 December, 1878. 
Indications of the ravages of and food-plants of Cecidomyia destructor. 
(103) Riley, C. V. The Hessian fly. <Amer. Nat., September (23 August), 1881, 
vol. 15, p. 750. 
Extensive damages done by Cecidomyia destructor in Illinois and Missouri; its 
abundance in the Western prairie States in 1881. 
(103a) Riley, C. V. Parasites of the Hessian Fly. <Troc. U. S. National Museum 
vol. viii, pp. 113-422 (1885). 
(104) Riley, C. V. Hessian fly. <Suppl. Encyclopedia Britannica, 9th ed., 1886, 
vol. 3, p. 324, fig-. 
Natural history, remedies, and figures of Cecidomyia destructor. 
(105) Riley, C. V. Probable parthenogenesis in the Hessian fly. <^Amer. Ent., 
May, 1880 (v. 3), n. s., vol. 1, p. 127. 
Review of paper by H. A. Hageii; Cecidomyia destructor less injurious than formerly 
in the older wheat-growing regions, its area of abundance having moved westward with 
the westward extension of wheat culture. 
(106) Riley, C. V. The Hessian fly in England; its origin; its past; its future. 
<London Times, 17 October, 1887. 
Date of the introduction of Cecidomyia destructor into England; probability that it 
has been introduced from continental Europe since the time of Curtis: conditions in 
Great Britain unfavorable for its increase. 
(107) Riley, C. V. Introduction of the Hessian fly iuto England. <Trans. Ent. 
Soc. London (December), 1887, pp. 45-48, Proc. 
Discussion of the date of introduction of Cecidomyia destructor into America and 
England: concludes from a study of the historical evidence, the distribution, and para- 
sites of the insect, that it was probably introduced into England about three or lour 
years ago. 
(108) Riley, C. V. The Hessian fly an imported insect. <Can. Entom.. July. L888, 
pp. 121-127. 
(109) Riley, C. V. Remarks on the Hessian fly. < Insect Life, October, L888, 
vol. 1, pp. 107-108. 
(110) Riley, C. V. Some recent entomological matters of international concern. 
< Insect Life, vol. 1. November, 1888, pp. 126-137. 
Ti'( ats o!' the Hessian Ily and a few other insects. 
(111) Riley, C. V. Remarks on the Hessian fly. <Proe. 9th Ann. Meeting Soc. 
Pro.Agric.Sci., 1888, pp.59-60. 
(112) Riley, C V. Burning the stubble for Hessian fly. < Insect Life, vol. 1, March, 
1889, p. 294. 
(113) Riley, C. V., and Howard, L. 0. Insects confounded with the Hessian il\ 
prior to the Revolution. \ rnseel Life. vol. 1. September. 1888, p. 86. 
(ill) Riley, C. v.. and Howard, L. 0. The Hessian fly attacking grasses in Cali- 
fornia, v Insect Life, vol. 3, April, 1891, pp. 333-334. 
(115) Riley, C. V., and Howard, L. O. Appearance of wheal infested with Hessian 
fly. < Insect Life, vol. 3, April, 1891, pp. 339 340. 
(116) Riley, C. V., and Howard, L.O. Hessian th in N. w Zealand. <[ Insect Life, 
vol. 4, August, L892,pp. 105-100. 
