BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
277 
1975. Riley, C. V. Works on North American Microlepidoptera. 
<Amer. Nat., June [19 May], 1881, v. 15, pp. 484-486. 
Review of works of T. deGrey [Lord Walsingliamj; discussion of new genera; 
list of Tortricidce of economic interest common to Europe and North America; 
additions to the synonomy of Tortricidce. 
1976. [Riley, C. V.] Moths mistaken for Aletia. <Amer. Nat., June 
[19 May], 1881, v. 15, pp. 486-487. 
Platyhypena [= Hypena ] scabra and Phoberia atomaris mistaken for Aletia 
argillacea [=xyZiwa]; hibernating habits of the first species. 
1977. [Riley, C. V.] Specific value of Apatura alicia Edw. <Amer. 
Nat., June [19 May], 1881, v. 15, p. 487. 
Critical review of paper by W. H. Edwards. 
1978. Riley, 0. V. Antigaster vs. Eupelmus. <Ca. Ent., May, 1881, 
v. 13, p. 114. 
Validity of L. O. Howard's reasons for considering Antigaster a synonym of 
Eupelmus. 
1979. Riley, C. Y. The periodical Cicada alias “ seventeen-year locust.” 
<Farmer’s Review, 16 June, 1881, v. 6, p. 370. S.-b. No. 42, 
pp. 18-20. 
Extract from 1st Rept. State Ent. Mo., with additional notes and request for 
further information in regard to the chronology and geographical distribu¬ 
tion of the broods of Cicada [= Tibicen] septendecim and C. [= T.] tredecim 
which appear in 1881. 
1980. [Riley, C. V.] Dimorphism in Cynipidcc. <Amer. Nat., July [22 
June], 1881, v. 15, p. 566. 
Claim of author to have made the first record at least in North America of 
proof of dimorphism in Cynipidce; notice of writings of B. D. Walsh, H. F. 
Bassett, and H. Adler on the subject; list of species of Cynipidce in which 
the occurrence of dimorphic forms has been proven, and of closely allied 
species in which no alternate generation seems to occur. 
1981. [Riley, C. V.] Blepliaroceridce. <Amer. Nat., July [22 June], 
1881, v. 15, pp. 567-568. 
Account of various investigations into the natural history of Blepharoceridce ; 
description of larvie and pupae of these flies. 
% 
1982. [Riley, C. V.] Braula cceca not particularly injurious to the 
honey-bee.* <Amer Nat., July [22 June], 1881, v. 15, p. 568. 
Notice of paper of J. Fedarb; ravages of Braula cceca in hives generally over¬ 
estimated at present and formerly unknown. 
1983. [Riley, C. V.] Economic entomology in England. <Amer. Nat., 
July [22 June], 1881, v. 15, p. 568. 
Notice of Miss E. A. Ormerod’s report for 1880. 
1984. [Riley, C. V.] The cultivation of pyrethrum and manufacture 
of the powder. <Amer. Nat., 1881, v. 15, July [22 June], pp. 
569-572; September [23 August], pp, 744-746; October [23 
September], pp. 817-819. See: <Amer. Wine and Grape 
Grower, December, 1881, v. 4, p. 22. S.-b. No. 51, p. 149. 
Partial history of the use of pyrethrum powder as an insecticide; directions 
for the cultivation of the plants and for the production and use of the pow¬ 
der 
