BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 65 



516. [WALSH, B. D., and C. V. RILEY.] Eggs of katydid. <Amer. 



Ent,, January, 1869, v. 1, p. 100. 



Answer to inquiry of A. A. Hilliard; character of the eggs of Plati/phylltim 

 [= Cyrtophyllus] concavus. 



517. [WALSH, B. D., and C. V. RILEY.] Apple-twig borer. <Amer. 



Ent., January, 1869, v. 1, p. 100. 



Answer to inquiry of J. T. Zimmerman ; ravages of Bostrichus [= Amphicerus] 

 bicaudatus. 



518. [WALSH, B. D., and C. V. RILEY.] Galls and their architects. 



<Amer. Ent,, February, 1869, v. 1, pp. 101-110, figs. 78-90. 



Definition, classification, and variation of galls ; accounts of some galls made 

 by Cynipidce, Cecidomyidce, and Aphididce and of the gall-makers ; natural 

 history, descriptions, and figures of Cynips[=AmphiboUp8] q.-spongifica, C. 

 [=^4.] q.-inanis, C. [= A.~\ q.-prunus 11. sp., Cecidomyia s.-strobiloidea, C. 

 s.-brassicoides, C. v.-pomum n. sp., C. v.-coryloides n. sp., Pemphigus raga- 

 bundus, P. rhois and Colopha ulmicola ; description of the imago of Cyuips 

 q.-prunus and of Pemphigus ulmifusus n. sp., and of the larvae of the new 

 species of Cecidomyia ; dimorphism of gall-makers ; presence of inquilines 

 and parasites in galls. (See No. 821.) 



519. [WALSH, B. D., and C, V. RILEY.] The bogus Colorado potato- 



bug, Doryphorajuncta, Germar. <Amer. Ent., February, 1869, 

 v. 1, p. 110. 



Food-habits of D. juncta. 



520. [WALSH, B. D., and C. V. RILEY.] Ants and aphides. <Amer. 



Ent,, February. 1869, v. 1, p. 110. 



Inquiry of W. Batchelor,- with answer ; secretion of honey-dew by Aphididw 

 and harvesting of the same by ants. 



521. [WALSH, B. D., and C. V. RILEY.] The Tarantula of Texas, My- 



gale hentzii, Girard. < Amer. Ent., February, 1869, v. 1, p. 11, 

 fig. 91. 



Figure of Mygale hentzii; habits of Pompilus [=Pe/)sis] formosa; quotes 

 from G. Lincecum's "The Tarantula killers of Texas" (Amer. Nat., v. 1, 

 pp. 137-141). 



522. [WALSH, B. D., and C. V. RILEY.] The melancholy chafer. 



<Amer. Ent,. February, 1869, v. 1, p. 111. 

 Ravages and figure of the imago of Euphoria melancholica. 



523. [WALSH, B. D., and C. V. RILEY.] Apple worms (Carpocapsa 



pomonella, Linn.). <Amer. Ent., February, 1869, v. 1, pp. 112- 

 114, fig. 93. 



Natural history, ravages, and means against Carpocapsa pomonella; figures 

 injured apple, larva, pupa, and imago. 



524. [WALSH, B. D., and C. V. RILEY.] The asparagus beetle (Crio- 



ceris asparagi, Linn.). <Ainer. Eut., February, 1869, v. 1, pp. 



114-115, fig. 94. 

 Introduction into the United States ; natural history, ravages, parasites of, 



and means against Crioccrit asparagi; figure of eggs, larviu, and imago of 



the same. 

 5 ENT 



