36 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
421. Fletcher, J. Report of the entomologist and botanist. <Rept. 
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Accounts of many species: Diplosis tritid, Meromyza americana, Oscinis car- 
bonaria, Isosoma tritid, Siphonophora avense, Cephas pygmaeus, cutworms, 
Caloptenus spretus, Semasia nigricana, Bruchus pisorum, B. obtectus, Psila 
rosee, Aphis brassicse, Phorbia brassicse, Pcedlocapsus lineatus, Argyresthia 
conjugella, Grapholitha prunivora, Clisiocampa disstria, C. americana, Cono- 
trachelus nenuphar, Xylina grotei, Aspidiotuspernidosus, Aphis mail, Xylo- 
crius agassizii, and spraying. 
422. Fletcher, J. The Rocky Mountain locust. <Farmers’ Advo¬ 
cate, 5 October, 1898, p. 446. 
423. Forbes, S. A. The San Jose scale in Illinois. <Bull. No. 48, 
111. Agric. Exp. Sta., April, 1897, pp. 413-428, 2 figs. 
Distribution in the State. 
424. Forbes, S. A. Circular notice concerning the San Jose scale and 
other fruit insects. <Urbana, Ill., July, 1897, pp. 4. 
425. Forbes, S. A. Strawberry leaf-roller. <Prairie Farmer, 10 
July, 1897. 
426. Forbes, S. A. San Jose scale in Illinois. <Farm, Field and 
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427. Forbes, S. A. The San Jose scale. <Farming, July, 1897, pp. 
718-722, 2 figs. 
428. Forbes, S. A. The season’s campaign against the San Jose scale 
and other scale insects in Illinois. <Trans. Ill. State Hortic. 
Soc. f. 1897, pp. 103-119. 
Report of experiments and inspections. 
429. Forbes, S. A. Twentieth report of the State entomologist on 
the noxious and beneficial insects of the State of Illinois. 
<Springfield, 1898, pp. 112. 
Notes on San Jose scale, white grubs, chinch bugs, bacterial diseases of 
chinch bug, diseases of army worm, and Odynerus foraminatus. 
430. Forbes, S. A. San Jose scale warning. <Colman’s Rural 
World, 10 February, 1898, p. 43. 
431. Forbes, S. A. San Jose scale-—Warning to Illinoisans. <Farm, 
Field and Fireside, 12 February, 1898, pp. 198-199. 
432. Forbes, S. A. The San Jose scale. <Gentleman Farmer Mag¬ 
azine, May, 1898, pp. 109-414, 7 figs. 
433. Forbes, S. A. The seventeen year Cicada. <Prairie Farmer, 
25 June, 1898, p. 9. 
434. Forbes, S. A. Lessons from the year’s work with the San Jose 
scale. <Trans. Ill. State Hortic. Soc. f. 1898, pp. 50-61. 
435. Forbes, S. A. Recent work on the San Jose scale in Illinois. 
<Bull. No. 56, Ill. Agric. Exp. Sta., July, 1899, pp. 241-283 5 
4 pis. 
New localities, inspection, methods of treatment, and fungous infection. 
