BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 297 



2119. EILEY, C. V. 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-rnoth larva, 138. 



The Tine-loving pomace-fly, DrosopJiila ampelophila 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, Coccinellidce 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- 

 4 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 larrecf 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. larrecK, 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 Aphididte, 154. 



2120. [RiLEY, C.V.] A new rice stalk-borer: Genus-grinding. <Amer. 



Nat,, [2] December, 1882, v. 16, pp. 1014-1015. 



Extract from Rept. fll. S.] Commis. Agnc. for 1881 and 1882, pp. 134-135, 

 with additional remarks; Chilo oryzceellus = Dlphryx prolatella; Diphryx 

 Grote founded on a mutilated specimen, with mistake of maxillary for 

 labial palpi. 



