404 



Lithocolletis populiella, lower mines on Populug, 

 120. 

 populifoliella, affinities, 54. 



synonym, 52. 

 qnercibella, lower mines on Quercus, 120. 

 synonym, 25. 

 synonomy of, 77. 

 quercipulchella, synonym of quercibella, 77. 

 quercivorella, mining oak leaves, 23. 



upper mines on Quercus, 120. 

 quinquenotella, change of name, 78. 

 rileyella, lower mines on Quercus, 120. 



synonj m, 25. 

 robiniella, bred from Robinia, 52. 



upper and lower mines on Robinia, 119. 

 roboris, insignis allied to, 118. 

 salicicolella, allied to ledella, 80. 

 salicifoliella, a valid species, 54. 



lower mines on Salix and Populus, 120. 

 scabiosella, oregonensis allied to, 117. 

 scudderella, lower mines on Salix, 120. 

 sexnotella, food-plant unknown, 120. 

 solidaginis, lower mines on Solid ago, 119. 

 subaureola, note, 25. 

 symphoricarpella, lower mines on Symphori- 



carpus, 119. 

 tenuistrigata, note, 25. 

 texanella, synonym, 52. 

 tiliella, upper mines on Tilia, 119. 

 toxicodendri, upper mines on Rhus, 119. 

 trifasciella not an American species, 51. 

 tritseniella, note, 53. 



upper mines on Ostrya, 120. 

 tubiferella, a coleopterous larva, 77. 

 doubt as to species, 24. 

 upper mines on Quercus. 119. 

 uhlerella, lower mines on Amorpha, 119. 

 uhlerella, note, 53. 

 ulmella, mining elm leaves, 23. 

 upper mines on Ulmus, 119. 

 umbellulariae n. sp. "Wlsm., described, 78. 



upper mines on Umbellularia, 119. 

 unifasciella, upper mines on Quercus, 120. 

 Lithophana antennata, early appearance, 383. 

 Lixus concavus, injuring rhubarb, 294. 

 macer, bred from Chenopodium, 294. 

 parous, gall-making habit, 294. 

 Lobster caterpillar, on tea plant in Ceylon, 193. 

 Locustse, European, ovipositing in the ground, 



224. 

 Locustidaa, embryological observations, 223. 

 oviposition of, 224, 225. 

 variety of oviposition, 224. 

 Locusts, mm, 337. 

 in Algeria, 59. 

 in India, 332. 

 Locusts, outbreaks in 1889, 27. 

 Locust-mite in New Hampshire, 67. 



Rocky Mountain, effect of irrigation on, 216. 

 Long scale, danger of spread, 341. 

 Lophoderus triferana, reared on salsify, 255. 

 Lucilia in Colorado, 146. 

 Lyca3ua comyntas, mm, 385 

 Lyctus sp. in Bamboo, 19. 

 Lydella doryphorae, bred from Doryphora, 233. 

 Lygocerus, a plant-louse parasite, 246. 



Lygus lineolaris, a synonym of pratensis, 49. 



oblinitus, a synonym of pratensis, 49. 



pratensis, on pear and apple, 49. 

 piercing salsify leaves, 255. 

 Lymexylon sericeum, in red oak, 123. 

 Lyperosia, Haematobia serrata referred to, 95. 



serrata, Kowarz's identification, 191. 



M. 



Machimia, characters and relations, 150. 



tentoriferella, note, 150. 

 Macrodactylus angustatus, in the South, 297. 

 uniformis, in the Southwest, 297. 

 on apple in New Mexico, 115. 

 subspinosus, life-history, 295. 

 in New Mexico, 114. 

 Mai ophaga, resemblance of ultimate Platypsyllus 



larva to, 201, 244. 

 Maraestra-like larvae injuring grape in California, 



56. 

 Mamestra legitima, in Asclepias seed-pod, 382. 

 papaverorum, confounded with Boll "Worm, 

 264. 

 Mantidae, embryological observations, 223. 

 oviposition of, 224. 

 "Westwood's revision, 340. 

 Mantis wheeleri, mm, 340. 

 Maple scale in Michigan, 44. 

 Masicera, parasite of Calosoma, 234. 

 May Beetle, found in frog's stomach, 195. 

 in Mississippi, 283. 

 on larval life, 372. 

 sudden appearance, 297. 

 Fly, Zaitha and Notonecta devouring larvse, 

 201. 

 Meal-worm, beetles of, in a pin-cushion, 148. 

 Mealy bug, Egyptian, 256, 327. 

 mistaken for Icerya, 55. 

 resin wash for, 276. 

 Meconema varium, ovipositing under bark scales, 



224. 

 Mediterranean flower-moth, damage by, 166, 336. 

 in Canada, 187. 

 parasite of, 260. 

 Megapenthes granulosus, synonym of limbalis, 292. 



limbalis, granulosus identical with, 292. 

 Megaspilus, reared from plant-lice, 246. 



niger, n. sp., Howard, descr., 247. 

 Megilla maculata, experiment with, 364. 



parasite observed by Goding, 147. 

 Melanism, 341. 

 Melanochroism, 341. 

 Melanophora diabroticas, parasite of Diabrotica, 



233. 

 Melanoplus atlanis, in New Hampshire, 66. 

 Melanoplus bivittatus, damage from, in Utah in 

 1889,27. 

 cinereus, damage from, in Louisiana in 1889, 27. 

 devastator, damage from, in Utah in 1889, 27. 

 femur-rubrum, damage from, in Utah in 1889, 



27. 

 spretus, mm., 336. 



damage from, in Utah in 1889, 27. 

 Melittia ceto, in Mississippi. 283. 

 Meloidae, nomenclature of, 288. 



