TABLE OF CONTENTS. XV 



©f parasites from a single caterpillar, 156. Remedies — removing and 

 burning infested twigs and strawberry plants, 15G. 



BuccuLATRix POMIFOLIELLA, the Apple-leaf Bucculatrix 15? 



Bibliography, 157. A recent insect pest, 157. The caterpillar described, 



157. The cocoon and moth figured and described, 158. Number of broods, 



158. Limited distribution throughout New York, 158. Its occurrence 

 in other States, 159. Parasites — Cirrospilus flavicinctus Riley, nov. sp., 

 described and figured, 159; Encyrtus bucculatrix Howard, nov. sp., de- 

 scribed and figured, 160. The Encyrtince as parasitic upon bark-lice, 100. 

 Psoctis bred from Bucculatrix cocoons, 161. Probably not a parasite of 

 the species, 161. Character, habits, etc. , of some species of Pwctdee, 161. 



Remedies for the Bucculatrix attack — jarring, spraying with oil and 

 soap, and scraping, 162. Wandering habits of the larvye, 163. 



CoLEOPHORA MALivoRELLA, the Apple-tree Case-bearer 163 



Its bibliography, 163. Occurrence in Pennsylvania, 163. The several 

 stages of the insect illustrated, 163. Description of the larva and moth, 

 164. The eggs, larval habits, and their cases, 164. Hibernation, depre- 

 dations, pupation and disclosure of the moth, 165. Its operations upon 

 the Densmore Apple Farm, 165. Is attacked and checked by a Chalcid 

 parasite, 165. Its advent in the State of New York, 166. Notice of other 

 case-bearers, 166. Paris green and London purple as remedies for the 

 Coleophora attack, 166. Method of application, 167. Best time for the 

 application, 167. 



INJURIOUS DIPTEROUS INSECTS. 

 On Some Species of Anthomyiid.e 168 



Recent opportunity for observation, 168. Derivation of name, 168. 

 Known as flower-flies, 168. Their habits, 168. Food and habitat of their 

 larvae, 168. Occurrence in the human body, 169. The flies structurally 

 allied to the Muscid(e, 169. Neuration of the AntJiomyiidm, 169. Neura- 

 tion of the Muscidce, 170. Number of species of North American Antho- 

 myians, 170. New York species of the family, 171. " Flat-flies " of the 

 genus Homalomyia, 171. Close resemblance in species, 172. 



Phorbia ceparum, the Onion-fly 172 



Bibliography, 172. A long-known onion pest, 173. Introduced from 

 Europe, 173. Its periods of great abundance, 173. Successive broods, 

 173. The eggs and the larvae described and figured, 174. The puparium 

 and pupa, 174. The fly represented, 175. The first indications of an 

 attack on onions, 175. Progress of the attack, 176. An attack often quite 

 local, 176. Freedom from parasites, 176. An European parasite, 176. 

 The eggs eaten by Chrysopa larva;, 177. Preventives recommended : 

 powdered charcoal, onions grown in hills, ashes, gas-lime, and pig-stye 

 liquid, 177. Methods of cultivation for preventing attack, 178. Dry soot 

 a preventive, 178. Prompt and careful removal of infested onions, 178. 

 Hot water and soap-suds for killing the larvae, 179. Paraflin oil success- 

 fully used, 179. The American fly compared with the European, 179. 

 Mr. Meade's comparison with H. antiqua; 180. Described as a new 

 species, 180. Included in the genus Phorbia, 180. Allied species placed 

 in other genera, 181. 



