144 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
2174. Riley, C. Y. Tlie first larval or post-embryonic stage of the pea 
and bean weevil. <Can. Entom., August, 1892, pp. 185-186. 
2175. Riley, C. Y. Rose saw-flies in the United States. <Insect Life, 
v. 5, September, 1892, pp. 6-11, 2 figs. 
Treats of Cladius pectinicornis, Emphytus cinctus, and Monostegia rosce. 
2176. Riley, C. Y. New injurious insects of a year. <Insect Life, v. 5, 
September, 1892, pp. 16-19. 
Brief notes on the occurrence of various species. 
2177. Riley, C. Y. Further notes on the new herbarium pest. <Insect 
Life, v. 5, September, 1892, pp. 40-41. 
Considers Carphoxera pielearia distinct from Acid all a herbariata. 
2178. Riley, C.Y. Ptinidm infesting hard-wood handles. <Sci.Amer., 
1 October, 1892. 
2179. Riley, C.Y. Scymnus restitutor established in California. <Sei. 
Amer., 29 October, 1892. 
2180. Riley, C. A r . Galeruca xanthomelcena polygoneutic at Wash¬ 
ington. <Can. Entom., November, 1892, pp. 282-286. 
2181. Riley, C.Y. An Australian Scymnus established and described 
in California. <Insect Life, v. 5, November, 1892, pp. 127-128. 
Note on Scymnus lophanthw. 
2182. Riley, C. Y. Report of the entomologist. <Ann. Rept. Dept. 
Agric. for 1891 (1892), pp. 231-266. 
Review of year’s work; destructive locusts in 1891; insecticides; fertilizers 
as insecticides; gas treatment for scale insects. 
2183. Riley, C. Y. Work of a hickory bark-borer. <Sci. Amer., Feb¬ 
ruary, 1893. 
Damage by Scolytus 4-spinosus. 
2184. Riley, C. Y. The sugar-beet web-worm. <Bull. No. 36, Div. 
of Chemistry U. S. Dept. Agric., March, 1893, pp. 68-70. 
Account of life history and remedies for Loxostege sticticalis. 
2185. Riley, C.Y. Periodical cicada. < Science, 18 August, 1893, p. 86. 
2186. Riley, C. Y. Parasitic and predaceous insects in applied 
entomology. <Insect Life, v. 6, December, 1893, pp. 130-141. 
<Also in 24th Ann. Rept. Ent. Soc. Ont., p. 76. <Also in Sci. 
Amer. Suppl., 16 December, 1893, p. 14979. 
A general consideration of the subject. 
2187. Riley, C. Y. Some injurious insects of Maryland. <Bull. No. 
23, Md. Agric. Exp. Sta., December, 1893, pp. 71-93, 24 figs. 
Notes on Carpocapsa pomonella, Allorhina nitida, cabbage worms, Murgantia 
histrionica, apple-tree borers, Epitrix parvula, Protoparce celeus, Aphis 
cucumeris, Crioceris asparagi, and blister beetles. 
2188. Riley, C. Y. Report of the entomologist. <Ann. Rept. Dept. 
Agric. for year 1892 (1893), pp. 153-180, pis. 12. 
Notes on Lita solaneJla, rollinia costa;, Hcematobia serrata, Hypoderma lineata, 
Monostegia rosce, Cladius pectinicornis, Emphytus cinctus, Anthonomus signatus, 
Galeruca xanthomelcena, Bruchus pisi, B, obtectus, Loxostege sticticalis, and 
Xyleborus perforans. 
