112 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
1001. Riley, 0. Y. Hop iusects; Hop Aphis. <Prairie Farmer, 21 
March, 1868, [v. 37], d. s., v. 21, p. 184. S.-b. No. 3, p. 58. 
Brief account of and means against Hypenci ftumuli [= sca/nvi] and Phorodon 
humuli. 
1002. Riley, C. Y. Supposed eggs of the preying Mantis. <Prairie 
Farmer, 28 March, 1868, [v. 37], n. s., v. 21, p. 201. S.-b. No. 2, 
p. 121; No. 3, p. 59. 
Answer to inquiry of J. H. Graves; cocoons of RJiogas sp. attached in a mass 
to twigs of an apple-tree. 
1003. Riley, C. Y. Oak tree borer. <Prairie Farmer, 28 March, 
1868, [v. 37], n. s., v. 21, p. 201. S.-b. No. 2, p. 121; No. 3, p. 
59; 
Answer to inquiries of E. G. Mygatt; habits and food-plants of Xyleutes 
r=Cossiis] robinice; means against it. 
1004. Riley, C. Y. Maple-bark lice. <Prairie Farmer, 28 March, 
1868, [v. 37], n. s., v. 21, p. 201. S.-b. No. 2, p. 121; No. 3, p. 
59. 
Lecanium sp. found on twigs of sugar-maple. 
1005. Riley, C. Y. Eggs of the katydid. <Prairie Farmer, 28 March, 
1868, [v. 37], n. s., v. 21, p. 201. S.-b. No. 2, p. 121; No. 3, p. 
59. 
Auswer to inquiry of W. Colwell; habits and food-plants of Platyphyllum 
[= Cyrtophyllus~\ concavus. 
1006. Riley, C. Y. Eggs of tree-cricket in raspberry canes. <Prairie 
Farmer, 28 March, 1868, [v. 37], n. s., v. 21, p. 201. S.-b. No. 2, 
p. 121; No. 3, p. 59. 
Letter from E. T. Nelson, with auswer; oviposition of CEcanthus niveus in 
raspberry canes; means against this insect. 
1007. Riley, G. Y. Bark-lice. < Prairie Farmer, 28 March, 1868, [v. 37], 
n. s., v. 21, p. 201. S.-b. No. 2, p. 121; No. 3, p. 59. 
Answer to inquiry of C. D. Robinson ; means against Myiilaspis pomicorticis 
[ =pomorum ]. 
1008. Riley, C. Y. Bark-lice again; the native species. <Prairie 
Farmer, 28 March, 1868, [v. 37], n. s., v. 21, p. 201. S.-b. No. 2, 
p. 121; No. 3, p. 59. 
Letter from N. Coleman, with answer; comparative characters of Mytilaspns 
pomicorticis [= pomorum'] and Diaspis harrisii [= Chionaspis furfurus']; 
food-plants of the latter. 
1009. Riley, C. Y. Dahlia-stalk borer. <Prairie Farmer, 28 March, 
1868, [v. 37], n. s., v. 21, p. 201. S.-b. No. 2, p. 121; No. 3, p. 59. 
Answer to inquiry of S. M. Wierman; means against Gortyna nitela. 
1010. Riley, C. Y. Apple-worm. <Prairie Farmer, 28 March, 1868, 
[v. 37], n. s., v. 21, p. 201. S.-b. No. 2, p. 121; No. 3, p. 59. 
Answer to communication of S. J. C.; Carpocapsa pomonella hibernates as a 
larva within the cocoon. 
