BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
157 
2390. Riley, 0. V., and Howard, L. O. An Icerya in Florida. <In¬ 
sect Life, v. 2, April, 1890, p. 333. 
Occurrence of an undescribed species on rose. 
2391. Riley, C. V., and Howard, L. O. Florida orange scales in Cal¬ 
ifornia. <Insect Life, v. 2, May and June, 1890, pp. 311-342. 
The introduction in California of Mytilaspis gloverii, M. citricola, Parlatoria 
pergandei, and remarks on insect quarantine. 
2392. Riley, C. V., and Howard, L. O. Some of the bred parasitic 
Hymenoptera in the National Collection. <Insect Life, v. 2, 
May and June, 1890, pp. 348-353; v. 3, August, 1890, pp. 13-18; 
September, 1890, pp. 57-61; November, 1890, pp. 151-158; 
August, 1891, pp. 460-464; v. 4, November, 1891, pp. 122-126, 
2393. Riley, C. V., and Howard, L. O. Anthrax parasitic on cut¬ 
worms. < Insect Life, v. 2, May and June, 1890, pp. 353-354. 
Remarks on Anthrax hypomelas. 
2394. Riley, C. V., and Howard, L. O. The tulip tree leaf gall-fly. 
<Insect Life, v. 2, May and June, 1890, pp. 362-363. 
Notes on Diplosis liriodendri. 
2395. Riley, C. V., and Howard, L. O. The scale question in Florida. 
< Insect Life, v. 2, May and June, 1890, pp. 367-368. 
2396. Riley, C. V., and Howard, L. O. A palm-leaf scale in Trinidad. 
<Insect Life, v. 2, May and June, 1890, p. 368. 
Occurrence of Ischnaspis filiformis. 
2397. Riley, C. Y., and Howard, L. O. The cigarette beetle. <Insect 
Life, v. 2, May and June, 1890, p. 368. 
Occurrence of Lasioderma serricorne. 
2398. Riley, C. V., and Howard, L. O. Flea beetle injury to straw¬ 
berries. <Insect Life, v. 2, May and June, 1890, p. 369. 
Note on Haltica ignita. 
2399. Riley, C. V., and Howard, L. O. Lecanium hesperidum. <In- 
sect Life, v. 2, May and June, 1890, p. 370. 
2400. Riley, C. V., and Howard, L. O. Parorgyia on cranberry in 
Wisconsin. <Insect Life, v. 2, May and June, 1890, p. 374. 
2401. Riley, C. V., and Howard, L. O. Potato stalk-borer in corn 
and rag-weed. <Insect Life, v. 2, May and June, 1890, pp. 
375-376. 
Note on Gortyna nitela. 
2402. Riley, C. Y., and Howard, L. O. The melon worm. <Insect 
Life, v. 2, May and June, 1890, p. 376. 
Notice of PhaTcell'lira hyalinata. 
2403. Riley, C. V., and Howard, L. O. Cutworms and carnations. 
<Insect Life, v. 2, May and June, 1890, p. 376. 
2404. Riley, C. Y, and Howard, L. O. The plant-feeding lady-bird 
and the potato stalk-beetle. <Insect Life, v. 2, May and June, 
1890, p. 376. 
Note on Baridius trinotatus and Epilachna oorrupta. 
