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CONTEXTS 



Objects of the Association of Economic Entomologists Clarence P. Gillette. . 5 



Present Condition of the Blastophaga in Cahfornia (illustrated), 



L. 0. Howard.. 16 



Establishment of a new beneficial Insect in California L. 0. Howard. . 16 



Beneficial Work of Hyperaspis signata (illustrated) L. 0. Howard. . 17 



Some Effects of Early Spring Applications of Insecticides on Fruit Trees, 



E. P. Felt.. 22 



On the Oviposition of an Egg Parasite of Vanessa antiopa. . Clarence M. Weed. . 32 



On the Oviposition of Cacoecia cerasivorana Clarence M. Weed. . 33 



The Relations of Pimpla conquisitor to Clisiocampa americana, 



Clarence M. Weed and Wm. F. Fiske. . 33 



On the Marguerite Fly* H T. Fernald.. 34 



Observations on Diabrotica 12-punctata Oliv A. L. Quaintance. . 35 



Notes on some South African Ticks C. P. Lounsbury. . 41 



Notes on Coccidse of Georgia W. M. Scott. . 49 



Presidential Address* (Society for Promotion of Agricultural Science). 



W.J.Beal.. 54 



Progress in Economic Entomology in the United States* L. 0. Howard.. 54 



Apiary Notes* Clarence P. Gillette. . 54 



Notes upon the Destructive Green Pea Louse [Nectaropliora destructor Johns) for 



1900 (illustrated) W. G. Johnson. . 55 



Progress in the Treatment of Plant Diseases in the United States,* 



B. T. Galloway.. 59 



Meteorological Influences on the Hessian Fly * F. M. Webster. . 59 



Hydrocyanic Acid Gas as an Insecticide on Low Growing Plants, 



E. Dwight Sanderson and C. L. Penny.. 60 



Notes from Delaware E. Duright Sanderson . . 66 



Aphelinus fuscipennis, an Important Parasite upon the San Jose Scale in 



Eastern United States TF. G. Johnmn. . 73 



The Brown Tail Moth in Massachusetts A. H. Kirkland. . 75 



Entomological Notes from Colorado Clarence P. Gillette. . 76 



Notes on Insects of Economic Importance for 1900 W. G. Johnson. . 80 



Insects of the Year in Ohio F. M. Webste)'. . 84 



Notes from California C. W. Woodworth. . 90 



Notes from Canada James Fletcher. . 94 



List of the members of the Association of Economic Entomologists 100 



♦Withdrawn for publication elsewhere. 



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