54 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
* 
394. [Walsh, B. D., and 0. V. Riley.] Ad interim committees. 
<Amer. Ent., September, 1868, v. 1, p. 18. 
Duties of ad interim committees of horticultural societies ; the American En¬ 
tomologist ready to publish any scientific discoveries or observations with 
regard to rots or diseases of a vegetal nature. 
395. [Walsh, B. D., and C. Y. Riley.] On our table. <Amer. Ent., 
September, 1868, v. 1, p. 18. 
Notice of W. H. Edwards’s “The butterflies of North America,” pt. 1; of A. 
S. Packard, jr.’s “Guide to the study of insects,” pt. 2; and of the “Cana¬ 
dian Entomologist,” v. 1, No. 1. 
396. [Walsh, B. D., and C. Y. Riley.] “Fire-flies.” *<Amer. Ent., 
September, 1868, v. 1, p. 19, fig. 9. 
Answer to inquiry of W. McC.; characters and transformations of Photinus 
pyralis ; figures larva, with details of structure, pupa, and imago. 
397. [Walsh, B. D., and 0. Y. Riley.] A new grape root-borer. 
<Amer. Ent., September, 1868, v. 1, p. 19. 
Answer to inquiry of W. D. F. Lummis; characters and ravages of an unde¬ 
termined longicorn larva; food-habits of Orthosoma cylindricum [—brun- 
neum~\. 
398. [Walsh, B.D., and C. Y. Riley.] Bugs on grape-vines mistaken 
for chinch-bugs. <Amer. Ent., September, 1868, v. 1, p. 19. 
Answer to inquiry of F. Hecker; characters, ravages, and food-plants of 
Blissus leucopterus and of Piesma einerea. 
399. [Walsh, B. D., and C. Y. Riley.] Leaf-hoppers of the grape 
<Amer. Ent., September, 1868, v. 1, p. 19. 
Answer to inquiry of F. Hecker; characters and ravages of Proconia [= On- 
cometopia] undata. 
400. [Walsh, B. L>., and C. Y. Riley.] Leaf bugs. <Amer. Ent., 
September, 1868, v. 1, p. 19. 
Answer to inquiry of C. H. Peck; food-habits of Tingis [= Gargaphia ] tilice 
and of T. [= Corythuca ] ciliata ; punctures on leaves caused by Hemiptera. 
401. [Walsh, B. D., and C. A 7 . Riley.] Potato bugs. <Amer. Ent., 
1868, v. 1, October, pp. 21-27, fig. 10-19; November, pp. 41- 
49, fig. 33-48. 
Failure of popular authors to distinguish between the different insects in¬ 
festing the potato plant; brief accounts and figures of one or more stages 
of the following species: Gortyna nitela, Baridius [= Trichobaris ] trinotata, 
Sphinx b-maculata [= Protoparce celeus], Lytta [= Epicauta ] rittata, L. atrata 
[=E. pennsylvanica], L. marginata [= E. einerea], L. einerea [= Macro¬ 
basis unicolor ], L. murina [ = M. unicolor ], Lerna trilineata, and Haltica 
[==Crepidodera\ cucumeris; migrations, habits, enemies, and means against 
Doryphora 10 -lineata) figures of all stages of D. 10 -lineata and D. juncta 
and of numerous enemies of the former. 
402. [Walsh, B. D., and 0. Y Riley.] “Grasshoppers.” Their de¬ 
vastations in western Iowa and the good that has resulted 
from them. <Amer. Ent., October, 1868, v. 1, pp. 27-28. 
Letter of M. C. Nickerson, with comments; seeds of Vilfa vagincejlora carried 
by “grasshoppers.” 
