SUBJECT INDEX 



45 



Aphis— Continued, 

 avenae — 



breeding experiments, (36) 253. 



in Maryland, (38) 154. 



injurious to apples, (33) 253. 



injurious to cereals, (28) 653. 



notes, (31) 753; (32) 755; (36) 458; (40) 648. 



remedies, (38) 561. 

 bakeri— see also Apple aphis. 



allied species, (39) 465. 

 bituberculata n.sp., description, (31) 850. 

 brassicae, see Cabbage aphis, 

 brevis, studies, (32) 755. 

 brevisiphona n.sp., notes, (29) 454. 

 cerasi, notes, (32) 651. 

 chenopodii, new genus for, (40) 650. 

 circezandis, identity, (40) 754. 

 cookii n.sp., description, (26) 755. 

 crataegi, injurious to apples, (26) 247. 

 eggs, destruction with hydrocyanic acid gas, 



(30) 551. 

 euonymi^ 



and A. papaveris, identity, (30) 252. 



hvmenopterous parasites of, (31) 757. 



studies, (31) 652. 754. 

 fitchii, notes, (33) 554. 

 foot in horses, notes, (26) 888. 

 forbesi— 



notes, (29) 653; (33) 554. 



studies, (38) 357. 

 gossypii — see also Cotton aphis and Melon 

 aphis. 



notes, (26) 755; (27) 155. 



synonym of, (40) 754. 



wing development, (40) 456. 

 green, notes, (36) 457. 

 grossulariae, notes, (27) 758; (30) 53. 

 immunity of teosinte-corn hybrids, (38) 561. 

 maidi-radicis, see Corn root aphis, 

 maidis, notes, (28) 158; (29) 2iC. 

 malifoliae— 



in Nova Scotia, (38) 156. 



key for stem mothers, (39) 360. 



studies, (36) 357. 

 n.spp., description, (31) 157. 

 neo-mexicana pacifica, n.var., description, (37) 



562. 

 papaveris in northern France, (30) 251. 

 persicae-niger, see Peach aphis, black, 

 pisi, see Macrosiphum pisi. 

 pomi, see Apple aphis, green, 

 pomi-mali, see Apple aphis, 

 pomonella n.sp., description, (36) 253. 

 pruni, remedies, (33) 555. 

 prunifoliae, key for stem mothers, (39) 360. 

 pseudoavenae n.sp., description, (39) 62. 

 pseudobrassicae — 



n.sp., description, (31) 754. 



notes, (37) 254; (39) 762. 



studies, (34) 452; (35) 756. 

 pulverulens n.sp., description, (26) 149. 

 rosy- 

 control, (40) 754. 



in Maryland, (38) 154. 



in Nova Scotia, (38) 156. 



notes, (40) 648. 



remedies, (39) 761. 



studies, (40) 649. 

 rumicis — 



control, (29) 454; (34) 555, 755; (39) 256. 



host plants and habits, (32) 849. 



host plants of, (33) 557. 



notes, (28) 556; (35) 54. 



on artichoke, (40) 58. 

 saliceti and allied species, (39) 657. 

 scaliae n.sp., notes, (31) 848. 

 sensoriata n.sp., notes, (39) 465. 

 setariae, notes, (33) 452. 

 sorbi— 



alternate or summer host plants, (35) 462. 



in Maryland, (38) 154. 



life history and remedies, (30) 251. 



notes, (33) 253; (35) 853; (36) 357; (40) 648. 



predatory enemy of, (30) 459. 



remedies, (33) 253; (38) 561; (39) 760, 761. 



studies, (40) 649. 

 sorghi, notes, (27) 53. 

 spp., injurious to cotton, (27) 454. 

 spp., notes, (26) 60, 654; (28) 252, 254, 655, 854; 

 (29) 454; (31) 755. 



Aphis— Continued . 



spp. on Rosaceae, (32) 848. 

 theobaldi n.sp., description, (39) 657. 

 woolly— see also Apple aphis, woolly, 

 as a pear pest, (34) 357. 

 control, (40) 258. 

 identity, (34) 854. 

 in core of apples, (30) 156. 

 migration from elm to mountain ash, (28) 



251. 

 mouth parts and suction mechanism In, (34) 



653. 

 notes, (27) 859; (29) 558; (35) 54, 552; (40> 



256, 547. 

 of elm, (30) 854. 

 of elm and Juneberry, (34) 161. 

 relation to Nectria ditissima, (39) 150. 

 structure and biology, (28) 856. 

 studies, (32) 848; (34) 02; (36) 755; (39) 258; 

 (40) 165. 

 yellow, attacking sugar cane, (38) 762. 

 Aphrizidae of North and Middle America, (41) 



547. 

 Aphrophora — 



parallela, life history, (30) 458. 

 parallela, notes, (37) 255. 

 spumaria, notes, (30) 356. 

 Aphthomonas infestans, description, (36) 278. 

 Aphthous fever, see Foot-and-mouth disease. 

 Aphycoideus io, notes, (36) 556. 

 Aphycus— 



flavus, parasitic on black scale, (26) 556. 

 hesperidum n.sp., description, (38) 467. 

 immaculatus, parasitic on orange scale, (26) 554. 

 melanostomatus, studies, (40) 651. 

 n.spp., descriptions, (35) 857. 

 spp., notes (29) 654; (33) 555. 

 terryi n.sp., notes (30) 661. 

 Aphyllantes monspeliensis, analyses, (33) 466. 

 Apiaries, inspection — 



in Connecticut, (26) 855; (28) 553; (30) 654; (33) 

 57; (35) 53; (37) 254; (39) 760. 

 Colorado, (30) 249; (31) 254; (34) 651. 

 Indiana, (28) 555; (35) 461; (38) 556. 

 Iowa, (37) 467. 

 Kansas, (33) 153; (37) 357. 

 Massachusetts, (27) 359; (32) 556; (35) 662; 



(37) 855. 

 Michigan, (27) 767. 

 Ontario, (27) 458. 

 Pennsylvania, (37) 459; (39) 869. 

 Rhode Island, (27) 857. 

 Wisconsin, (37) 263; (38) 155. 

 law in Tennessee, (27) 756. 

 record system for, (33) 862. 

 Apiculture, see Beekeeping. 

 Apiochaeta albidihalteris, notes, (27) 657. 

 Apion — 



hibisci, studies, (40) 754. 

 spp. injurious to alfalfa, (33) 555. 

 spp., notes, (31) 848. 

 xanthostylum, notes, (28) 555. 

 Apioninae, notes, (27) 863. 

 Apiospora camtospora, notes, (38) 550. 

 Apiosporium oleae, parasitic on olive scale, (26) 655 . 

 Apis— 



fasciata, bionomics, (38) 264. 

 indica, domestication, (37) 855. 

 mellifera, see Bees. 

 Aplanobacter — 

 agropyri— 



n.sp., description, (36) 647. 

 occurrence in Montana, (38) 249. 

 michiganense, description, (31) 745. 

 rathayi— 



n.sp., description, (30) 539; (31) 745. 

 notes, (34) 349. 

 stewarti n.comb., studies, (40) 846. 

 Aplodontia, revision, (39) 759. 

 Aplopappus ciliatus, occurrence of barium in (26) 



432. 

 Aploparaksis fuligulosa n.sp., description, (26) 561. 

 Apluda mutica, notes, (26) 361. 

 Apocellus sphaericollis, studies, (33) 563. 

 Apocynum, rubber from, (30) 614. 

 Apodemus sylvaticus, notes, (37) 156. 

 Apomecyna binubila, notes, (27) 53; (32) 347 

 Apophyllite — 



extraction of potash from, (27) 323. 

 fertilizing value, (27) 725. 



