104 



GENERAL INDEX. 



Lithocolletis modesta, miniug elm leaves, II, 23. 

 niorrisella, notes ou, II, 52, 119. 

 nemoris ii. sp., descr.. II, 116. 



upper mines on Vacciniura, II, 119. 

 nobilissima, allied to ambrosiella, II, .54. 

 nonfasciella, synonym, II, 52. 

 obscuricostella, lower mines on Ostrya, II, 120. 

 obsoleta, food plant unknown, II, 120. 

 obstrictella, lower mines ou Queicus, II, 120. 

 obtusilobse, mining oak U-aves, II, 23. 

 occitanica, lower mine.s on Ulmus, II, 119. 

 oregoneusis n. sp., descr., II, 117. 



food-plant unknown, II, 120. 

 ostensackenella, note on, II, 53. 



upper mines on Kobinia, II, 119. 

 oBtryasella, mining Ostrya, II, 54, 120. 

 ostryjefoliella, note on, II, 53. 



lower mines on Ostrya, II, 120. 

 pastorella, affinities, II, 54. 

 poraifoliella, lower mines on Rosacea', II, 119. 

 populiella, affinities, II, 54. 



lower mines on Populus, II, 120. 



extraordinary numbers of, YI, 275.- 

 quercialbella, synonyms of, III, 325, 32('). 

 quercibella, lower mines on Quercas, II, 120. 



= quercialbella. III, 325, 326. 

 quercivorella, mining oak leaves, II, 23. 



upper mines on Quercus, IT, 120. 

 quinquenotella, change of name, II, 78. 

 rileyella, lower mines on Quercus, II, 120. 

 robiniella, bred from Robinia, II, 52, 119. 

 roboris, insignis allied tn, II, 118. 

 salicicolella, allied to ledella, II, 80. 

 salicifoliella, a valid species, II, 54. 



lower mines on Sali.\ and Populus, II, l'2i). 

 scabiosella, oregonensis allied to, II, 117. 

 scudderella, lower mines on Salix, II, 120. 

 sexnotella, food-plant unknown, II, 120. 

 solidaginis, lower mines on Solidago, II, 119. 

 sp., referred to Coleoptera, II, 77, 78. 

 sp., upper mines on Grindelia, II, 119. 

 sp., upper and lower mines on Betula, II, 120. 

 sp., parasitized by Pimpla lithocolletidis. III, 



463. 

 sp. u., on peach, V, 17. 

 subaureola, notes on, II, 25; III, 325, 326. 

 symphoricarpella, lower mines on Syniplioricar- 



pus, II, 119. 

 synonyniical list of species. III, 328. 

 tenuistrigata, note on, II, 25. 

 tiliella, upper mines on Tilia, II, 119. 

 toxicodendri, upper mines on Rhus, II, 119. 

 trifasciella, not an American species, II, 51. 



regarded as a synonym of fragilella. III, 326. 

 tritseniella, note on, II, 53. 



upper mines on Ostrya, II, 120. 

 tubiferella, doubt as to species, II, 24, 77. 



upper mines on Quercus, II, 119. 

 ublerella, note on, II, 53. 



lower mines ou Amorpha, II, 119. 

 ulmella, mining elm leaves, II, 23, 119. 

 umbelluUuiie n. sp., descr., II, 78. 



upjjer mines on Umbellularia, II, 119. 

 unifaseiella, upper mines on Quercus, II, 120. 



preoccupied name. III, 320. 

 Litliophana anteniiatu, early appearance, II, 3S3. 

 Litigation concerning insecticides, 11, 2';u. 



Little's sheep dip against cattle tick, V, 294. 

 Liver-fluke, remarks on, IV, 291. 



called wire-worm, IV, 404. 

 Livia maculipennis, dimorphism not present in, V, 

 227. 

 vernali.s, dimorphism not present in, m., V, 227. 

 Lixi, paper on food plants of, rem., IV, 352. 

 Lixus, synopsis, ref., IV, 351. 



concavus, habits of, II, 294; ref.. Ill, 85, 254. 

 macer, bred from Chenopodium, II, 294. 

 parens, gall-nuiking habit, II, 294. 

 scrobicollis, parasitized by Bracou belfragei, 

 IV, 256. 

 jiarasitized by Bracon mavoritus, IV, 256. 

 jjarasitized by Bracon lixi, IV, 257. 

 parasitized by Microdus simillinius, IV, 259. 

 Lobster caterpillar, on tea plant in Ceylon, II, 193. 

 Locust, in Algeria, I, 92, 194; II, 59; V, 56. 

 value of, as manure, I, 122. 

 a report on the lesser migratory, II, 66-70. 

 local outbreak in Idaho, 111,135. 

 in Mesopotamia, 111,172. 

 carnivorous habits of, 111,338. 

 bulletin on, notice, III, 368. 

 plague of, in Australia, 111,419,434. 

 as food, III, GO, 433. 

 ravages of, note on, III, 438 ; V, 349. 

 of North America, with notes on occurrences in 



1891, art., IV, 18-24. 

 amount saved from, IV, 23. 

 crops affected, IV, 52. 

 estimated injury of, IV, 53, 401 ; VI, 33. 

 measures recommended, IV, 54, 55. 

 parasites and diseases, IV, 55, 151. 

 in Syria, IV, 82. 



plague, Masicera pachytiti.s a parasite of, IV, 8'.'. 

 in Africa, ref., IV, 286,290; V, 272,283. 

 or grasshopper outlook, art., IV, 321-323. 

 birds destroying, l\, 409. 

 misapplication of the term, V, 218. 

 local name for Bonibycids, V, 271. 

 in Colorado, VI, 32, 33, 268. 

 17-year. (See Cicada septendecini.) 

 devastating, in California, III, 485. 



work against, VI, 51. 

 differential, ref., IV, 323. 

 long-tailed cotton, in Mississippi, VII, 26. 

 long-winged, habits and occurrence in 1891., IV, 



18,19,55,322. 

 migratory In Australia, 1,364 ; 111,419. 

 migratory, stopping trains, mm., 111,478. 

 occurrence, IV, 20, 21, 23. 

 fungus disease of, rev., IV, 151,408; V,7I. 

 electricity against, IV, 347. 

 native, note ou, IV,23. 

 nonmigratory, in Michigan, 1,63,80. 

 in Nevada, IV, 144. 

 pellucid, ref., IV, 323. 

 ponderous, note on, IV, 22. 



post oak, habits and occurrence, IV, 20 ; V, 255. 

 red-legged, notes on, IV, 22. 

 plague of, VI, 271. 

 in Canada, ref., VI, 284, 333. 

 ou cotton, VII, 25. 

 Rocky Mountain, in Northwest, 1,63. 



ref., IV, 20, 21, 322. 

 two-striped, notes on, IV, 21. 

 wandering, Epachruniia terminalis. III, 420. 



