128 1912. Entomol. Litteraturblätter Jahrgang XII. No. 6. 



Pg. 65 — 71. — ßesolutions on the Death of S. H. Scudder, H. 

 Ch. Mc Cook, H. Ulke and D. W. Coquillett (w. 2 portr.). Pg. 

 72—75. — Proceedings, etc. Pg. 76—88, V— XVIII. 



Preis des Jahrganges: 20 Mark. 



The Journal of Economic Entomology, Organ 



of the Association of Economic Entomologists, ed. by E. 



P. Feit. Vol. 5, No. 2 w. 6 plates and portrait. 



Concord, N. H., April 1912. 



Inhalt: Headlee, Th. J., The Time when Wheat should 



be sown to escape the Fall Brood of Hessian Fly. Pg. 98 — 109. 



— Smith, R. E., Sphenophorus callosus. Pg. 109 — 111. — 

 W a s h b u r n , F. L., Grasshopper Work in Minnesota during the 

 Season of 1911. Pg. 111—121. — Gillette, C. P., Grass- 

 hopper Conditions in Colorado. Pg. 121 — 123. — H u n t e r , W. D., 

 The Outbreak of Alabama argillacea in 1911. Pg. 123—131. — 

 J e n n i n g s , A. H., Some Problems of Mosquito Control in the 

 Tropics. Pg. 131—142. — Cooley, R. A., Ortho Arsenite of 

 Zinc as an Insecticide (w. pl. 2). Pg. 142—146. — Ball, E. D., 

 The Efficiency of the Driving Spray. Pg. 147—153. — F e 1 1 , E. P., 

 Recent Experiments with the Codling Moth. Pg. 153—169. — 

 Herrick, G. W., Notes on 3 Shade Tree Pests. Pg. 169 — 172. 



— B u r g e s s , A. F., Some Shade Tree Pests in Eastern Massa- 

 chusetts (w. pl. 3—4). Pg. 172—180. — Heuser, J. S., 

 Rhopalomyia grossulariae Feit (w. pl. 5 — 6). Pg. 180 — 184. — 

 P a r r 1 1 , P. J., The Pear Thrips in New York. Pg. 184—188. 



— H u n t e r , W. D., Effect of Roentgen Rays upon Insects. Pg. 

 188 — 193. — Britton, W. E,, Progress in Exterminating two 

 isolated Gypsy Moth Colonies in Connecticut. Pg. 194 — 196. — 

 K n a b , F., Unconsidered Factors in Disease Transmission by 

 bloodsucking Insects. Pg. 196—200. — W a t s o n , J. R., Utili- 

 zation of fungous Parasites of Coccidae and Aleurodidae in Florida. 

 Pg. 200 — 204. — Proceedings of the tenth annual Meeting of the 

 American Association of official horticultural Inspectors (cont.) 

 [M e t c a 1 f , H., The Chestuut Bark Disease (w. pl. 7). Pg. 

 222—230.— Norton, J. B. S., Tbe present Status of Crown 

 Gall. Pg. 230—231, etc.]. — Editorial, Obituary (J. B. Smith) 

 (w. portr.), etc. Pg. 233—240. 



Preis des Bandes: 13,50 Mark. 



R. Friedländer & Sohn, Berlin N.W., Karlstr. ii. 



