REPORT ON NATIONAL MUSEUM. 301 



Riley, Charles V. — The Potato-stalk Borer* 



(Rural New Yorker, October '20, 1883.) 



Letter from S. C. R , with answer; habits of and means against Gor- 



lyna niiela ; description of imago of this species; means against Paria ater- 

 rima, Heteraspis jmbescens, and other Chrysomelid larvae injurious to the 

 roots of strawberry plants. 



Recent advances in horticultural entomology. . . . 



(Rural New Yorker, October 20, 1883.) 



Stenographic report, by H. H , of an address delivered by C. V. Riley 



before the American Pomological Society, at Philadelphia, September (13), 

 1883 ; discussion of measures recommended for adoption to prevent the ravages 

 of insects injurious to horticulture, especially of Carp jcapsa pomonella and Con- 

 otrachehi8 nenuphar ; correction of popular statements in regard to the ovipo- 

 sition of Saperda bivitiata and Bembecia marginata ; advance in knowledge of 

 the life-history of Aplridido? and in the development of machinery for the ap- 

 plication of poison sprays to plants; relative value of the principal insecti- 

 cides now in use. 



On a gall-making genus of Apionince. 



(Bull. Brooklyn Entom. Soc, October 1883, vi, pp. 61-62.) 

 List of gall-making Coleoptera hitherto found in North America; descrip- 

 tion of the new genus Podapion, and of the gall and imago of P. gallicola n. 

 sp., found on twigs of Pinus inops ; probable life habits, inquilines, and para- 

 site of this insect. 



\ United States] Department of Agriculture — Entomologist, 1883 



(C. Valentiue Riley). Report of the entomologist.. (Rept. [U. S.] 

 Commiss. Agriculture for 1883.) 



Separate, author's ed., entitled " Report of the Entomologist, Charles V. Riley, 

 M. A., Ph. D., for the year 1883." From the Annual Report of the Department of 

 Agriculture for the year 1883. Issued October 31, 18H3. Wash., [Oct. 31], 1883. 

 t. p. cover + t. p., 5 p. + p. 99 - 180 + 2 + 6 + pp., 13 pi., O. 



Consists of an " Introduction" (p. 99-101), giving a sketch of the report 

 and of the work of the entomological division and its assistants and agents 

 during the past year ; and of chapters to be cited, unless otherwise indicated, 



under the name of C. V. Riley as author, bearing the following titles: 



Silk-worm notes (pp. 101-107). — Cabbage worms (pp. 107-138 ; pi. 1, 10, 

 11; pi. 12, lig. 1-2). — Packard, A. S.,jr. Report on the causes of destruc- 

 tion of evergreen forests in Northern New England and New York (pp. 138- 

 151 ; pi. 3, 13). — Hubbard, H. G. Report of progress in experiments on 

 scale insects, with other practical suggestions (pp. 152-159V — The im- 

 ported elm-leaf beetle. Galeruca xanthomelaena, Schrank (pp. 159-170; [pi. 

 4-6]; pi. 12, fig. 3). — The lesser migratory locust, Caloptenus atlanis, Riley 

 (pp. 170-180 ; pi. 2, 7-9). 



The chapter on " Cabbage worms" treats of the geographical distribution, 

 ravages, characters, habits, food-plants, seasons, enemies, and parasites of 

 and means against Pieris rapce, P. protodicc, P. oleracea, P. rnonusie, Plitsia bras- 

 8icae, Mameslra chenopodii. Ceramica picta, Pionea rimosalis, Bolls repetitalis, and 

 Plutella cruciferarum. Packard's chapter treats.of the characters, habits, and 

 ravages of and means against, Nematus erichsonii and^Tortrix fumiferana, and 

 the characters of Nematus integer and Geleohia abietisella n. sp. The subjects 

 of the other chapters are indicated in their titles. 



