BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
31 
385. Coquillett, D. W. Concerning laws relating to insect pests. 
<Tlie Eural Californian, December, 1890. 
38(5. Coquillett, D. W. Another foe of the Icerya. <l*acific Eural 
Press, 27 December, 1890. 
States that Lestophonus iceryce is established in southern California. 
387. Coquillett, D. W. Injurious insects and remedies. <Eept. 
Calif. State Bd. Hortic. for 1889 (1890), pp. 333-337. 
Scale insects and remedies. 
388. Coquillett, D. W. Nature’s method for subduing insect pests. 
<Eept. Calif. State Bd. Hortic. for 1889 (1890), pp. 394-397. 
389. Coquillett, D. W. lleport on various methods for destroying 
the red scale of California. <Bull. No. 22, Div. But. U. S. 
Dept. Agric., 1890, pp. 9-18. 
Effect of resiu soaps and the Eureka insecticide on Aspidiotus auraniii. 
390. Coquillett, D. W. Eeport on various methods for destroying 
scale insects. <Bull. No. 23, Div. Ent. IT. S. Dept. Agric., 
1891, pp. 19-30. 
Notes on the gas treatment for the red scale, the resin wash for the San 
Jose scale, and experiments with corrosive sublimate, glue, and aloes as 
insecticides. 
391. Coquillett, D. W. [The Icerya in Honolulu.] <Insect Life, 
v. 3, 1891, p. 329. 
392. Coquillett, D. W. A new scale insect from California. <Iusect 
Life, v. 3, June, 1891, pp. 382-384. 
Description of, and remedy for Lecaniumpruinosum. 
393. Coquillett, D. W. [The Californian peach-tree borer.] <Insect 
Life, v. 3, June, 1891, pp. 392-393. 
Notes on Sannina pacifica and S. exitiosa. 
394. Coquillett, 1). W. History of the hydrocyanic acid gas 'treat¬ 
ment for scale insects. <Iusect Life, v. 3, August, 1891, pp. 
457-460. 
395. Coquillett, D. W. [Predaceous habit of Histerid;e.] <Insect 
Life, v. 4, October, 1891, p. 76. 
396. Coquillett, D. W. [A California thrips on the potato.] <Insect 
Life, v. 4, October, 1891, p. 79. 
397. Coquillett, D. W. Some pests of the horticulturist. <The 
Eural Californian, December, 1891. 
Treats of the Paris green remedies for the codling-motli. 
398. Coquillett, D. W. [A California twig-borer: Is it Anarsia?] 
<Insect Life, v. 4, December, 1891, pp. 206-207. 
399. Coquillett, D. W. Eeport upon scale insects of California. 
<Bull. No. 26, Div. Ent. IT. S. Dept. Agric., 1892, pp. 13-35. 
Notes on A spidiotus aurantii, A. convexus, A. nerii, A. perniciosus, A. rapax, 
Lecanium hesperidum, L. hemispharicum, L. olecv, L. pruinosum, L. sp. ; and 
remarks on thymocresol as an insecticide 
