BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
297 
2119. Riley, 0. Y.—Continued. 
Report on miscellaneous insects, by Prof. J. Henry Comstock. 135 
The apple-maggot, Trypeta pomonella . 135 
Its importance compared with the codlin moth, 135—Method of 
work, 135—Food-plants, 135—Its spread, 136—Extracts from cor¬ 
respondence, 136—Early apples principally infested, 136—Tech¬ 
nical descriptions of different states, 137—Remedies, 138—Manner 
of distinguishing it from codlin-moth larva, 138. 
The vine-lo.ving pomace-fly, Drosophila ampeloplxila . 138 
Reasons for popular name, 139—Reasons for treating of the spe¬ 
cies, 139—Where found, 139—Rapidity of multiplication, 139— 
Destructive to grapes, 139—Technical descriptions of different 
stages, 140—Remedies, 141. 
The pretty pomace-fly, Drosophila amoena ..141 
Technical descriptions of different stages, 141—Remedies, 142. 
The ocellate leaf-gall of the red-maple, Sciara ocellaris . 142 
Distribution, 142—Description of gall, 142—Description of larva, 
143—Its cocoon, 143—Number of generations, 143—Gall described 
as cecidomyid by Osten - Sacken, 143—Another gall-making 
Sciara, 143—Description of adult male, 144. 
Ladybirds, Coccinellidw . ... 144 
General remarks on habits, 144—The ashy-gray ladybird, 144—De¬ 
scription of larva, 144—Description of pupa, 145—The adult, 145— 
The blood-red ladybird, 145—Description of pupa, 145—The lady¬ 
bird of the cactus, 145—Descriptions of larva and pupa, 145—The 
ambiguous Hippodamia, 146—Descriptions of larva and pupa, 
146—Other species observed at Los Angeles, Cal., 146. 
Methods of destroying scale insects.. 146 
Note by the Entomologist, dissenting from the conclusions of this 
article, 146—Letter from S. F. Chapin, 147—Letter from Matthew 
Cooke, 148—Method of spraying trees in groves, 148—Mr. Chapin’s 
contrivance, 148. 
Lac insects, Carteria . 149 
General remarks, 149—The genus Carteria of Signoret, 49— Carteria 
lacca (Kerr); general appearance, 149—Preparation for study, 
150— Technical description, 150—Remarks on Mr. Carter’s descrip¬ 
tion, 151— Carteria larrece n. sp., 151—Remarks on the creosote 
plant, 151—Mr. J. M. Stillman’s paper, 151—Differs from C. lacca, 
151— Technical description of C. larrece, 152 —Carteria mexicana n. 
sp., 152—Where found, 152—General appearance, 152—Technical 
description, 152. 
A new wax insect, Cerococcus quercus ... 153 
General description, 153—Can it be utilized ?, 153— Cerococcus new 
genus, 153— Cerococcus quercus n. sp., 153—Female sac, 153—Fe¬ 
male, 154—Male sac, 154. 
Note on the structure of mealy bugs. 154 
The anal and genital openings distinct, 154—Two pairs of openings 
homologous with the honey tubes of Aphididae, 154. 
2120. [Riley, C.Y.] Ajiew rice stalk-borer: Genus-grinding. <Amer. 
Nat., [2] December, 1882, v. 16, pp. 1014-1015. 
Extract from Rept. [U. S.] Commis. Agric. for 1881 and 1882, pp. 134-135, 
with additional remarks; Chilo oryzceellus = Diphryx prolatella ; Diphryx 
Grote founded on a mutilated specimen, with mistake of maxillary for 
labial palpi. 
