112 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



1001. RILEY, C. V. Hop insects; Hop Aphis. <Prairie Farmer, 21 



March, 1868, [v. 37], u. s., v. 21, p. 184. S.-b. No. 3, p. 58. 

 Brief account of and means against Hypena Jiumuli [=scafrra] and Phorodon 

 humuli. 



1002. EILEY, C. V. 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 Rhogas sp. attached in a mass 

 to twigs of an apple-tree. 



1003. RILEY, C. V. 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 Xylentes 

 [= Cossus] robinice; means against it. 



1004. RILEY, C. V. Maple-bark lice. <Prairie Farmer, 28 March, 



1868, [v. 37J, 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. V. Eggs of the katydid. <Prairie Farmer, 28 March, 



1868, [v. 3TJ, 11. s., v. 21, p. 201. S.-b. No. 2, p. 121 ; No. 3, p. 

 59. 



Answer to inquiry of W. Colwell ; habits and food-plants of Platyphyllum 

 [= Cyrtophyllus] concavus. 



1006. RILEY, C. V. 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 answer ; oviposition of (Ecanthus niveus in 

 raspberry canes; means against this insect. 



1007. RILEY, C.V. Bark-lice. < Prairie Farmer, 28 March, 1868, [v. 37], 



11. s., v. 21, p. 201. S.-b. No. 2, p. 121 ; No. 3, p. 59. 



Answer to inquiry of C. D. Robinson ; means against Mylilaspis pomicorticiv 

 [=pomorum']. 



1008. RILEY, C. V. 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. Colemau, with answer; comparative characters of Mytilaspis 

 pomicorticis \_=pomwum] and Diaspis harrisii [= Chionaspis furfurus]; 

 food-plants of the latter. 



1009. RILEY, C. V. 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. V. 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. 



