56 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



415. [WALSH, B. D., and C. V. RILEY.] The Buffalo tree-hopper. 



<Amer. Ent., October, 18G8, v. 1, p. 38. 



Answer to inquiry of P. Rickert ; characters, habits, and means against Ce- 

 resa bubalus. 



416. [WALSH, B. D., and C. V. RILEY.] A scavenger mistaken for a 



foe. <Amer. Ent., October, 1868. v. 1, p. 38. 



Answer to inquiry of Simmons and Tillson; characters and habits of the 

 larva of Copris Carolina. 



417. [WALSH, B. D., and C. Y. RILEY.] Insect foes of the bark-louse. 



<Amer. Ent, October, 1868, v. 1, p. 39, fig. 32. 

 Answer to inquiry of J. Weed ; habits and figures of larva and imago of 

 CJiilocorus bivulnerus; food-habits and figure of Epilachna borealis. 



418. [WALSH, B. D., and C. V. RILEY.] Best works on entomology. 



<Amer. Ent, October, 1868, v. 1, p. 39. 



Answer to inquiry of B. M. Reynolds; mention of several important works 

 on entomology. 



419. [WALSH, B. D., and C. V. RILEY.] Larva3 in plum-gum. <Amer. 



Ent, October, 1868, v. 1, p. 39. 



Answer to inquiry of P. Rickert; unknown larva (probably dipterous) found 

 in gum of plum tree: Hycetophila sp., bred from gum of peach-tree. 



420. [WALSH, B. D., and C. V. RILEY.] Insect foes of the hop vine. 



<Amer. Ent., October, 1868, v. 1, p. 39. 



Answer to inquiry of H. C. Freeman ; characters and habits of larva of Sa- 

 turnia [=Hyperchiria'] io and of Vanessa [=Grap<a] interrogationis. 



421. [WALSH, B. D., and C. V. RILEY.] Insect foe of the apple-tree 



borer. <Amer. Ent., October, 1868, v. 1, p. 39. 

 Answer to inquiry of J. E. Walker; undetermined carabid larva preying 

 upon larva of Saperda Candida. 



422. [WALSH, B. D., and C. V. RILEY.] Oak tree caterpillars. <Amer. 



Ent, October, 1868, v. 1, p. 39. 



Answer to inquiry of W. W. Daniells ; characters and habits of larva of Edema 

 aJbifrons. 



423. [WALSH, B. D., and C. V. RILEY.] Bark-lice on apple trees. 



<Amer. Ent, October, 1868, v. 1, p. 40. 



Answer to inquiry of J. G. Fleck ; Mytilaspis pomorum destroyed by a minute 

 mite. 



424. [WALSH, B. D., and C. V. RILEY.] The " saddle-back " cater- 



pillar. <Amer. Ent., October, 1868, v. 1, p. 40. 



Answer to inquiries of E. Baxter and O. A. Kenyon ; characters, habits, and 

 urticating properties of the larva of Empretia stimulea. 



425. [WALSH, B. D., and C. V. RILEY.] The regal walnut caterpillar. 



<Amer. Ent., October, 1868, v. 1, p. 40. 



Answer to inquiry of M. Copley ; characters and food-plants of larva of 

 Citheronia rcgalis; times of metamorphosis ; characters of the imago. 



426. [WALSH, B. D., and C. V. RILEY.] The Hessian fly. <Amer. 



Ent, October, 1868, v. 1, p. 40. 



Answer to inquiry of F. D. Carson; ravages of Cecidomyia destructor; late 

 sowing as a means of avoiding the same. 



