CONTENTS. 



PAGE. 



TRANSMITTAL 356 



Correspondence of the office, 355. Inquiries for information, 355. Letters received 

 and sent, 356. No widespread insect injuries, 356. Interesting insect attacks, 356. The 

 17-year Cicada in New York, 356. Publications made during the year, 357. Collections 

 made, 358. Contributions to the collections, 358. Arrangement of the collections, 358. 

 Anthrenidee and other families studied, 359. Disposition of duplicates, 359. Promotion 

 of scientific agriculture by the State, 360. Gov. Flower on the importance of investiga- 

 tions in economic entomology, 360. Provision for an assistant to the Entomologist, 362. 

 Interest attaching to the entomological collection, 352. Attention shown to visitors, 362. 

 Preparation of a general index to the ten reports of the Entomologist, 363. Scope of the 

 index, 363. 



NJURIOUS INSECTS, ETC 365 



Ants on Fruit-trees 365 



Supposed injuries from, 365. The large black ant common on apple-trees, Camponotus 

 herculaneus, 365. Attracted by the " honey-dew 11 of aphides, 365. The cherry-tree ant, 

 Cremastogaster ceresi, 366. Its protection of the cherry-tree aphis, Alyzus cerasi, 366. 

 How the protection is given, 366. The little yellow ant common in walks, Monomorium 

 molestum, 366. Is it found on fruit-trees? 363. Its injuries in corn-fields, etc., 366. 

 Monomorium carbonarium and Solenopsis geminata injurious to orange-trees in the 

 South, 366. Ants, as a rule, harmless to fruit-trees, 367. May be. harmful through pro- 

 tection of plant-lice, 367. How the plant-lice may be killed, 367. Tobacco leaves buried 

 in the ground around the tree trunks believed to drive away ants, 367. Ants may be 

 prevented from ascending trees by bandiDg the trunks with strips of fur, 367. A broad 

 band of chalk also efficient, 367. Insect lime may be used as a preventive of ascent, 367. 

 English writers regard ants as valuable in orchards, 368. They are colonized therein 

 for feeding upon apple-tree pests, 368. Have long been used in China for the same 

 purpose, 368. Are ants injurious to peonies? 368. They are not known to injure the 

 buds but are drawn thereto for other food, 368. 



Derostenus sp.? 869 



Associated with the cocoons of the apple-tree Bucculatrix, B. pomifoliella, 369. The 

 pupa cases of this little Chalcid, 369. The parasite belongs to the Entedoninoz, 

 369. Neither it nor any American member of the subfamily has been described, 869. 

 Mr. Howard's remarks upon the species of Derostenus, 369. May possibly prove to be a 

 secondary parasite, 369. References to its literature, 369. 



