104 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
916. Riley, C. V. Grape-leaf louse. < Prairie Farmer, 4 August, 
1866, [v. 34], n. s., v. 18, p. 73. S.-b. No. 1, p. 110. 
Answer to inquiries of “Subscriber”; description, habits and development 
of Pemphigus vitifolice [= Phylloxera vastatrix']. 
917. Riley, 0. Y. White willow worm. < Prairie Farmer, 4 August, 
1866, [v. 34], n; s., v. 18, p. 73. S.-b. No. 1, p. 110. 
Descriptions of larva and imago of Nematus ventralis] food-plants; ravages 
and number of broods. 
918. Riley, C. Y. Insects in timber. < Prairie Farmer, 4 August, 
1866, [v. 34], n. s., v. 18, p. 73. S.-b. No. 1, p. 110. 
Unknown species of Tortricidce injurious to forests in Brown and Schuyler 
Counties, Illinois, in 1865. 
919. Riley, C.Y. DerneueKartoffel Kafer. <Deutsche Prairie Farmer, 
August, 1866, 2 figs. S.-b. No. 2, p. 14. 
Descriptions and figures of larva and imago of Doryphora decemlineata] its 
eastern migrations ; habits; means against it. 
920. Riley, O.'Y. Cicadas and walking-sticks. <Prairie Farmer, 1 
September, 1866, [v. 34], n. s., v. 18, p. 136. S.-b. No. 2, p. 41. 
Answer to inquiry of J. D. Swain ; condensed account of Cicada canicularis 
[—tibicen']; comparison with C. \= Tibicen] septendecim ; mentions Spec¬ 
trum [= Diapheromera~\ femoratum. 
921. [Riley, C. Y.] Locust-borer. <Prairie Farmer, 1 September, 
1866, [v. 34], n. s., v. 18, p. 140. 
Answer to inquiry of O. H. S.; nearly all of the locust groves in the West 
have been destroyed by Clytus [= Cyllene~\ rob inice ; no remedy known. 
922. Riley, C. Y. Apple-tree caterpillars. <Prairie Farmer, 8 Sep¬ 
tember, 1866, [v. 34], n. s., v. 18, p. 152. S.-b. No. 2, p. 41. 
Answer to inquiries of S. Caverno and H. M. Lyman ; habits, descriptions of 
larvae, and imagos of Datana ministra aud Notodonta [= CEdemasia) con- 
cAnna] means against them; description of pupa of Datana ministra. 
923. Riley, C. Y. Joint-worm. <Prairie Farmer, 8 September, 1866, 
[v. 34], n. s., v. 18, p. 152. S.-b. No. 2, p. 41. 
Answer to inquiry of G. W. Conklin ; habits of and means against Isosoma 
hordei. 
924. Riley, C. Y. [Nematus ventralis. J <Prairie Farmer, 8 Septem¬ 
ber, 1866, [v. 34], n. s., v. 18, p. 152. 
Answer to inquiry of G. E. W.; ravages of Nematus ventralis in Kalmar, Minn. 
925. [Riley, C. Y.] Ten-lined potato-beetle. <Prairie Farmer, 8 Sep¬ 
tember, 1866, [v. 34], n. s., v. 18, p. 152. S.-b. No. 2, p. 42. 
Larva of Lema trilineata on potato plants in Maine mistaken for that .of Do¬ 
ryphora decemlineata. 
926. [Riley, C. Y.] Locusts. <Prairie Farmer, 3 November, 1866, [v. 
34], n. s., v. 18, p. 290. 
Occurrence and ravages of Calopterius spretus in portions of Kansas aud west¬ 
ern United States in 1866. 
927. Riley, C. Y. Caterpillars on the pine. < Prairie Farmer, 10 No¬ 
vember, 1866, [v. 34J, n. s., v. 18, p. 301. S.-b. No. 2, p. 42. 
Auswer to inquiry of N. R. Strong and A. L. Jones; detailed description of 
larva of Lophyrus abbotii; habits of larva; means against the insect. 
