258 INSECTS INJURIOUS TO VEGETABLES 



SWEET POTATO 



General. Sanderson— Sweet Potato Insects, Bui. 59, Md. Agr. 



Exp. Sta., 1900. 

 Sweet-potato Root-borer (CyUis formicarius Fab.). Conradi— 



Bui. 93, Texas Agr. Exp. Sta., pp. 3-16, figs., 1907. 

 Larger Sweet-potato Savffiy (Scliisocerus pnvatus Nort.). Mar- 



LATT— Insect Life v. V., pp. 24-27, fig. 6, 1892. 

 Sweet-potato Flea-beetle (Clurtociicma coufinis Cr.). Smith — 



13th Kept. N. J. Agr. Exp. Sta., pp. 472-475. 1892. 

 Mottled Tortoise Beetle (Coptocychi signifcra Hbst. [C. guttata]). 



Sani)ek.son — L. c. 

 Golden Tortoise Beetle (Coptocvcla bicolor Fab. [C. aurichalcea]). 



— L. c. 



ONION 



Imported Onion Maggot (Pcgomya ccftoruin Meade [Anthomyia 

 and Fhorbia ccfanim Bouche]). Chittenden — Circ. 63. 

 Bu. Ent. U. S. Dept. Agr., pp. 6, 7, 1906; Smith and Dick- 

 erson— Bui. 200, N. J. Agr. Exp. Sta., 27 pp., 13 figs., 1907. 



Onion Thrips (Thrips tabaci Lind.). Pergande — Insect Life, v. 

 VII., pp. 392-395- 



RHUBARB 



Rhubarb Curculio (Lixus concavus Say.). Chittenden— Bui. 23, 

 n. s., Div. Ent. U. S. Dept. Agr., pp. 61-69, 1900. 



INSECTICIDES 



1902. Hinds, W. E. — Carbon Bisulpbid as an Insecticide. Farmers' 



Bui. 145, 28 pp. 

 1902-04. Haywood, J. K. — Reports on Analyses of Insecticides. Buls. 

 68, 76 and 82, Bu. Chem., U. S. Dept. of Agr. and Farmers' 

 Bui. 146, 16 pp. 



1903. Marlatt, C. L. — Important Insecticides. Farmers' Bui. 127, U, 



S. Dept. Agr., 46 pp., 6 figs. 



