468 



INDEX. 



Arbor-vitas, bag-worm on, 273. 

 Arctiidse, 266. 

 Argynnis species, 244. 

 Arista of flies, 330. 

 Armored scales, 114. 

 Army- worm, 294. 

 Arsenate of lead and its use, 436. 

 Arsenic as an insecticide, 437. 

 Arsenites and their use, 434, 438. 

 Ascalaphus species, 76. 

 Asilidae, 344. 

 Asopia costalis, 312. 

 Asparagus beetle, 211. 

 Aspidiotus perniciosus, 118. 

 Atomaria species, 177. 

 Atropos species, 69. 

 Attacus species, 279, 

 Auditory sense of insects, 43. 

 Automeris io, 283. 



Bag-worms, 273. 

 Balancers of flies, 327. 

 Balaninus species, 234. 

 Bandings of printers' ink, etc., 433. 

 Bark-beetles, 237. 



-slippers, 207. 

 Beak of bug mouth, 16. 

 Bean lady-bird, 175. 



-weevils, 223. 

 Bean spray pump, 461. 

 Bed-bug, 155. 

 Beech blight, 133. 

 Bees, 407. 



long- and short-tongued, 410. 

 Bee-flies, 345. 



-louse, 370. 



-moth, 316. 



mouth, 19. 

 Beet-leaf magots, 365. 

 Beetles, chapter on, 164. 



classification of, 165. 

 Bell moths, 319. 

 Bellows, 455. 



Belostoma americana, 150. 

 Bembecia marginata, 260. 

 Bembecidse, 403. 

 Bibionidae, 340. 

 Bichloride of mercury, 438. 

 Bill-bugs in corn, 236. 



Bipectinated antennae, 21. 

 Bisulphide of carbon, 450. 



against hen-lice, 71. 



against Termites, 67, 

 Biting lice, described, 70, 

 Bittacus, 77. 



Black beetles, their habits, 82. 

 Blackberry cane-borer, 186. 



crown-borer, 260. 



pithy gall, 378. 



root-borers, 206. 



saw-fly borer, 375. 

 Black flies, 340. 

 Blattidse, described, 81. 

 Blennocampa p3^gmaea, 374. 

 Blissus leucopterus, 158. 

 Bhster beetles, 225. 

 Blood of insects, 33. 

 Blow-fly, 257. 

 Blues and coppers, 245. 

 Body-louse, life history, 105. 

 Boll- worm, 303. 

 Bombardier beetles, 168. 

 Bombyliidae, 345. 

 Bombylius species, 345. 

 Book-lice, 68. 

 Borax, against roaches, 82. 

 Bordeaux mixture and its uses, 

 Boreal lady-bird, 175. 

 Borers, remedies for, 188. 

 Boreus, 77. 

 Bostrychus, 193. 

 Bots on cattle, 352. 

 Bot-flies, 351. 

 Brachinus, 168. 

 Brachystola magna, 91. 

 Braconidae, 382. 

 Brain in insects, 39. 

 Bran and Paris green, 438. 

 Braula c^ca, 370, 

 Breast-bone of gall-gnats, 336. 

 Breathing of insects, 33. 

 Bristle-tails, 53. 

 Bristled antennae, 22. 

 Bruchidae, 223. 

 Brush-footed butterflies, 242. 

 Bucket-pumps, 462. 

 Buffalo gnat, 340. 



grasshopper, 91. 



