BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 329 



2291. RILEY, C. V. Continued. 



MISCELLANEOUS INSECTS Continued. 



The larger wheat-straw Isosoma, Isosoma grande 357. 



The phytophagic habits of the genus. 357 Mr. Webster's obser- 

 vations, 357 Descriptive, Isosoma grande n.sp.,358 Oviposition, 

 358 Only females known, 358. 



SILK CULTURE 359 



Sending oat eggs, 359 Reports, 359 The manual of instructions, 

 359 Appointment of Philip Walker as special agent, 359 

 Diseases, 359 Pasteur's process, 359 A Government reeling 

 establishment, 360 Correspondence, 360 The Serrell reel, 

 360 Home reeling, 361 Herbelin's filature, 361. 



REPORTS OF AGENTS 361 



Rust of the orange. By H. G. Hubbard 361 



Discoloration of the fruit, 361 Time of appearance, 361 It is 

 not a fungus, 362 The mite on the leaves, 362 First appear- 

 ance of mites on the fruit, 363 Attacks of mites always fol- 

 lowed by rust, 363 Interval between disappearance of mites 

 and appearance of rust, 363 Description of the mite, 363 Life 

 history, 364 Food, 364 Wandering habits, 365 Numerical 

 abundance, 365 Rings of rust on fruit, 366 Influence of 

 weather, 366 Agencies which assist in the distribution of the 

 mites, 366 Food-plants, 367 Effects of attackson foliage, 367 

 Rusted fruit, 367 Introduction and spread of the mite, 367 

 Periodsof increase, 368 Geographical distribution, 368 Reme- 

 dies, 368 Influence of soil and methods of cultivation, 368 

 Preventive measures, 368 Application of insecticides, 369 

 Whale-oil soap, 369 Sulphur, 370 Kerosene, 372 Creosote, 

 372 Potash, 372 Pyrethrum, 373 Lime, 373 Ashes, 373 

 Caution, 373. 



Second report on the causes of the destruction of the evergreen and 

 other forest trees in northern New England and New York. By A. 



S. Packard, jr 374 



Localities visited, 374 Destruction of spruces in northern New 

 York, 374 Probably caused by bark-boring beetles, 375 De- 

 struction of spruces in northern Maine, 376 Discussion of 

 causes, 376 Condition of the hackmatack in 1884, 377 The 

 reddish-yellow spruce-bud worm, 378 Its injuries, 378 Its 

 classification, 378 Its habits, 378 Remedies, 379 The com- 

 mon longicorn pine-borer, 379 Abundance, 379 Mode of ovi- 

 position, 380 Description of egg, 380 Habits and damage 

 done, 381 The sugar- maple borer, 382 Its burrows, 382 Its 

 eggs aud larvte, 382 Kerosene as a remedy, 383. 



Insects affecting fall wheat. By F. M. Webster 383 



The wheat-straw Isosoma, 383 Oviposition, 384 Description of 

 its egg, 385 Number of generations, 385 Effect of its work on 

 wheat-straw, 386 Table o position of larvae in straw, 386 

 Natural enemies, 387 Wheat and grass saw-fly, 387 Appear- 

 ance, 388 Parasites, 388 Wheat midge, 389 Natural enemies, 

 389 Dates, 389 American Meromyza, 389 Dates, 390 The 

 flea-like negro-bug, 390 Dates, 390 Description of egg, 390 

 The tarnished plant-bug, 391 The soldier-bug, 391 The field- 

 cricket, 391 Cuttiugoff wheat, 391 Insects affecting rye, 392 

 Insects affecting oats, 392 The stalk-borer, 392 Dates, 393. 



